Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: 228-768-4 | CAS number: 6358-31-2
Substance identity
Identification
- Display Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Type of Substance
- Composition:
- mono-constituent substance
- Origin:
- organic
Substance Identifiers open all close all
Compositions
Boundary Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Range:
- > 0.04 - < 0.2 μm
- Percentile:
- D50
- Range:
- > 0.02 - < 0.1 μm
- Percentile:
- D10
- Range:
- > 0.01 - < 0.065 μm
- Range of length:
- >= 0.07 - <= 0.8 μm
- Range of aspect ratio (:1):
- >= 3 - <= 8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Range:
- > 0.04 - < 0.2 μm
- Percentile:
- D50
- Range:
- > 0.02 - < 0.1 μm
- Percentile:
- D10
- Range:
- > 0.01 - < 0.065 μm
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
ASSEMBLY STRUCTURE: homogeneous and solid particles.
RIGIDITY: not required/appropriate. - Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 125 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Range:
- > 0.01 - < 0.065 μm
- Percentile:
- D50
- Range:
- > 0.02 - < 0.1 μm
- Percentile:
- D90
- Range:
- > 0.04 - < 0.2 μm
- Additional information:
- The particle size distribution relates to all shape categories
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Range:
- > 0.01 - < 0.065 μm
- Percentile:
- D50
- Range:
- > 0.02 - < 0.1 μm
- Percentile:
- D90
- Range:
- > 0.04 - < 0.2 μm
- Range of length:
- >= 0.07 - <= 0.8 μm
- Range of aspect ratio (:1):
- >= 3 - <= 8
- Additional information:
- The particle size distribution relates to all shape categories
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 5 - <= 125 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Legal Entity Composition(s) open all close all
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing abot 99% spheroidal particles and about 1% elongated particles
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 1 %
- Range:
- > 0 - < 10 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 25 %
- Range:
- > 5 - < 60 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 74 %
- Range:
- > 40 - < 95 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 0.1 μm
- Range:
- > 0.075 - < 0.125 μm
- Percentile:
- D50
- Typical value:
- ca. 0.065 μm
- Range:
- > 0.04 - < 0.09 μm
- Percentile:
- D10
- Typical value:
- ca. 0.044 μm
- Range:
- > 0.02 - < 0.065 μm
- Range of length:
- > 0.175 - < 0.675 μm
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.1 - <= 4.6
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
ASSEMBLY STRUCTURE: homogeneous and solid particles.
RIGIDITY: not required/appropriate. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - ca. 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 0.1 μm
- Range:
- > 0.075 - < 0.125 μm
- Percentile:
- D50
- Typical value:
- ca. 0.065 μm
- Range:
- > 0.04 - < 0.09 μm
- Percentile:
- D10
- Typical value:
- ca. 0.044 μm
- Range:
- > 0.02 - < 0.065 μm
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
ASSEMBLY STRUCTURE: homogeneous and solid particles.
RIGIDITY: not required/appropriate. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
- Crystal system:
- triclinic
- Bravais lattice:
- primitive triclinic
Specific surface area
- Typical specific surface area:
- ca. 14 m²/g
- Range of specific surface area:
- >= 10 - <= 18 m²/g
- Skeletal density:
- 1.442 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- no
- Name of nanoform:
- Pigment Yellow 74
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 91 %
- Range:
- >= 91 - <= 91 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 9 %
- Range:
- >= 9 - <= 9 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
- Remarks:
- The particle size distribution relates to both shape categories
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 29 - <= 41 nm
- Percentile:
- D50
- Range:
- >= 46 - <= 82 nm
- Percentile:
- D90
- Range:
- >= 89 - <= 234.2 nm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 62.7 - <= 94.7 %
- Shape category:
- elongated
- Remarks:
- The particle size distribution relates to both shape categories
Percentileopen allclose all
- Percentile:
- D10
- Range:
- >= 29 - <= 41 nm
- Percentile:
- D50
- Range:
- >= 46 - <= 82 nm
- Percentile:
- D90
- Range:
- >= 89 - <= 234.2 nm
- Range of length:
- >= 19 - <= 355 nm
- Range of aspect ratio (:1):
- >= 3 - <= 5
- Fraction of constituent particles in the size range 1-100 nm:
- >= 62.7 - <= 94.7 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment yellow 74
- Pure structure:
- yes
Specific surface area
- Range of specific surface area:
- >= 32.4 - <= 32.6 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- PY74_Nano_Multimodal
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 49 %
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 47 %
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 4 %
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 38 nm
- Range:
- >= 10 - <= 65 nm
- Percentile:
- D50
- Typical value:
- ca. 63 nm
- Range:
- >= 20 - <= 100 nm
- Percentile:
- D90
- Typical value:
- ca. 106 nm
- Range:
- >= 40 - <= 200 nm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 57 nm
- Range:
- >= 10 - <= 65 nm
- Percentile:
- D50
- Typical value:
- ca. 77 nm
- Range:
- >= 20 - <= 100 nm
- Percentile:
- D90
- Typical value:
- ca. 107 nm
- Range:
- >= 40 - <= 200 nm
- Typical length:
- ca. 305 nm
- Range of length:
- >= 70 - <= 800 nm
- Typical aspect ratio (:1):
- ca. 3.9 :1
- Range of aspect ratio (:1):
- >= 3 - <= 8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
- Typical composition:
- ca. 100 %
- Range:
- >= 100 %
Specific surface area
- Typical specific surface area:
- ca. 11.1 m²/g
- Range of specific surface area:
- >= 5 - <= 200 m²/g
- Skeletal density:
- ca. 1.239 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: bulk
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Yellow 74_Nanoform_Spheroidal
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 20 nm
- Range:
- > 10 - <= 20 nm
- Percentile:
- D50
- Typical value:
- ca. 45 nm
- Range:
- >= 30 - <= 60 nm
- Percentile:
- D90
- Typical value:
- ca. 90 nm
- Range:
- >= 70 - <= 120 nm
- Fraction of constituent particles in the size range 1-100 nm:
- ca. 89 - < 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Yellow 74
- Pure structure:
- yes
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- ca. 34 m²/g
- Range of specific surface area:
- >= 20 - <= 50 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- yes
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Remarks:
- Multimodal shapes
- Shape:
- polyhedral
- Pure shape:
- yes
- Typical composition:
- 88.61 %
- Range:
- > 1 - < 100 %
- Shape category:
- elongated
- Remarks:
- Needle-like particles
- Shape:
- rod
- Pure shape:
- yes
- Typical composition:
- 11.39 %
- Range:
- > 1 - < 50 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
- Remarks:
- Needle-like particles
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 0.047 μm
- Range:
- > 0.03 - < 0.049 μm
- Percentile:
- D50
- Typical value:
- 0.068 μm
- Range:
- > 0.051 - < 0.08 μm
- Percentile:
- D90
- Typical value:
- 0.106 μm
- Range:
- > 0.09 - < 0.11 μm
- Range of length:
- > 0.117 - < 0.558 μm
- Range of aspect ratio (:1):
- >= 3 - <= 4.9
- Fraction of constituent particles in the size range 1-100 nm:
- > 1 - < 100 %
- Shape category:
- spheroidal
- Remarks:
- Multimodal shapes
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 0.046 μm
- Range:
- > 0.03 - < 0.049 μm
- Percentile:
- D50
- Typical value:
- 0.072 μm
- Range:
- > 0.05 - < 0.08 μm
- Percentile:
- D90
- Typical value:
- 0.118 μm
- Range:
- > 0.1 - < 0.2 μm
- Fraction of constituent particles in the size range 1-100 nm:
- > 1 - < 100 %
Crystallinity
Structures
- Structure:
- amorphous
- Pure structure:
- no
- Range:
- > 5 - < 10 %
Specific surface area
- Typical specific surface area:
- 13.23 m²/g
- Range of specific surface area:
- > 10 - < 15 m²/g
- Typical volume specific surface area:
- 42.82 m²/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- This nanoform is covered by a registration:
- yes
- Name of nanoform:
- Pigment Yellow 74
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Shape:
- other: needle
- Pure shape:
- no
- Typical composition:
- 6 %
- Range:
- > 3 - < 10 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- 94 %
- Range:
- > 90 - < 97 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 32 nm
- Range:
- > 25 - < 40 nm
- Percentile:
- D50
- Typical value:
- 37 nm
- Range:
- > 32 - < 45 nm
- Percentile:
- D90
- Typical value:
- 50 nm
- Range:
- > 40 - < 65 nm
- Typical length:
- 144.8 nm
- Range of length:
- > 92 - < 202 nm
- Typical aspect ratio (:1):
- 3.6 :1
- Range of aspect ratio (:1):
- >= 3 - <= 4.16
- Fraction of constituent particles in the size range 1-100 nm:
- >= 100 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Yellow 74
- Pure structure:
- yes
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- 9.58 m²/g
- Range of specific surface area:
- >= 3 - <= 14.3 m²/g
- Typical volume specific surface area:
- 13.4 m²/cm³
- Range of volume specific surface area:
- >= 4 - <= 19.83 m²/cm³
- Skeletal density:
- >= 1.332 - <= 1.445 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Typical composition:
- 85 %
- Range:
- > 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Typical composition:
- 15 %
- Range:
- > 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- 20.9 nm
- Range:
- > 10 - < 65 nm
- Percentile:
- D50
- Typical value:
- 50.3 nm
- Range:
- > 20 - < 100 nm
- Percentile:
- D90
- Typical value:
- 75.8 nm
- Range:
- > 40 - < 200 nm
- Typical length:
- 110 nm
- Range of length:
- > 50 - < 150 nm
- Typical aspect ratio (:1):
- 4 :1
- Range of aspect ratio (:1):
- >= 3 - <= 8
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- crystalline (C.I. Pigment Yellow 74)
- Pure structure:
- yes
- Range:
- > 20 - < 90 %
Specific surface area
- Typical specific surface area:
- 52 m²/g
- Range of specific surface area:
- >= 5 - <= 125 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- Does the set contain both treated and non-surface treated nanoforms?:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- elongated
- Remarks:
- multimodal shapes containing abot 99% spheroidal particles and about 1% elongated particles
- Shape:
- rod
- Pure shape:
- no
- Typical composition:
- ca. 1 %
- Range:
- > 0 - < 10 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
- Shape:
- spherical
- Pure shape:
- no
- Typical composition:
- ca. 25 %
- Range:
- > 5 - < 60 %
- Shape category:
- spheroidal
- Remarks:
- multimodal shapes containing about 99% spheroidal particles and about 1% elongated particles
- Shape:
- cubic
- Pure shape:
- no
- Typical composition:
- ca. 74 %
- Range:
- > 40 - < 95 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 0.1 μm
- Range:
- > 0.075 - < 0.125 μm
- Percentile:
- D50
- Typical value:
- ca. 0.065 μm
- Range:
- > 0.04 - < 0.09 μm
- Percentile:
- D10
- Typical value:
- ca. 0.044 μm
- Range:
- > 0.02 - < 0.065 μm
- Range of length:
- > 0.175 - < 0.675 μm
- Typical aspect ratio (:1):
- ca. 3.8 :1
- Range of aspect ratio (:1):
- >= 3.1 - <= 4.6
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
ASSEMBLY STRUCTURE: homogeneous and solid particles.
RIGIDITY: not required/appropriate. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - ca. 100 %
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D90
- Typical value:
- ca. 0.1 μm
- Range:
- > 0.075 - < 0.125 μm
- Percentile:
- D50
- Typical value:
- ca. 0.065 μm
- Range:
- > 0.04 - < 0.09 μm
- Percentile:
- D10
- Typical value:
- ca. 0.044 μm
- Range:
- > 0.02 - < 0.065 μm
- Additional information:
- The determined particle size distribution relates to both shape categories. The smallest dimension of all particles had been considered.
ASSEMBLY STRUCTURE: homogeneous and solid particles.
RIGIDITY: not required/appropriate. - Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
- Crystal system:
- triclinic
- Bravais lattice:
- primitive triclinic
Specific surface area
- Typical specific surface area:
- ca. 14 m²/g
- Range of specific surface area:
- >= 10 - <= 18 m²/g
- Skeletal density:
- 1.442 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74_nanoform
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 32 nm
- Range:
- >= 23 - <= 41 nm
- Percentile:
- D50
- Typical value:
- ca. 45 nm
- Range:
- >= 31 - <= 65 nm
- Percentile:
- D90
- Typical value:
- ca. 64 nm
- Range:
- >= 43 - <= 96 nm
- Fraction of constituent particles in the size range 1-100 nm:
- >= 80 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C. I. Pigment Yellow 74
- Pure structure:
- yes
- Typical composition:
- ca. 90 %
- Range:
- >= 80 - <= 100 %
- Crystal system:
- not applicable
Specific surface area
- Typical specific surface area:
- ca. 39 m²/g
- Range of specific surface area:
- >= 20 - <= 90 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- Pigment Yellow 74_Nanoform_Spheroidal
Shape
Shape description
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- yes
Particle size distribution and range
Particle size distribution and range
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 54.9 nm
- Range:
- > 1 - < 70 nm
- Percentile:
- D50
- Typical value:
- ca. 99 nm
- Range:
- > 10 - < 120 nm
- Percentile:
- D90
- Typical value:
- ca. 1 848 nm
- Range:
- > 120 - < 300 nm
- Fraction of constituent particles in the size range 1-100 nm:
- > 50 - <= 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- Pigment Yellow 74
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 20 m²/g
- Range of specific surface area:
- > 5 - <= 100 m²/g
Surface functionalisation / treatment
- Surface treatment applied:
- no
Nanoform
| Nanoform |
- State Form:
- solid: nanoform
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Characterisation of nanoforms
- Type of information reported:
- single nanoform
- Name of nanoform:
- C.I. Pigment Yellow 74-joint submission
Shape
Shape descriptionopen allclose all
- Shape category:
- spheroidal
- Shape:
- polyhedral
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- spherical
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- spheroidal
- Shape:
- cubic
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
- Shape category:
- elongated
- Shape:
- rod
- Pure shape:
- no
- Range:
- >= 0 - <= 100 %
Particle size distribution and range
Particle size distribution and rangeopen allclose all
- Shape category:
- spheroidal
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.03 μm
- Range:
- > 10 - < 65 μm
- Percentile:
- D50
- Typical value:
- ca. 0.045 μm
- Range:
- > 0.02 - < 0.1 μm
- Percentile:
- D90
- Typical value:
- ca. 0.095 μm
- Range:
- > 0.04 - < 0.2 μm
- Additional information:
- The particle size distribution relates to all shape categories
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
- Shape category:
- elongated
Percentileopen allclose all
- Percentile:
- D10
- Typical value:
- ca. 0.03 μm
- Range:
- >= 0.01 - <= 0.065 μm
- Percentile:
- D50
- Typical value:
- ca. 0.04 μm
- Range:
- >= 0.02 - <= 0.1 μm
- Percentile:
- D90
- Typical value:
- ca. 0.07 μm
- Range:
- >= 0.04 - <= 0.2 μm
- Range of length:
- >= 0.07 - <= 0.8 μm
- Range of aspect ratio (:1):
- >= 3 - <= 8
- Additional information:
- The particle size distribution relates to all shape categories
- Fraction of constituent particles in the size range 1-100 nm:
- >= 50 - ca. 100 %
Crystallinity
Structures
- Structure:
- crystalline
- Name:
- C.I. Pigment Yellow 74
- Pure structure:
- yes
Specific surface area
- Typical specific surface area:
- ca. 20 m²/g
- Range of specific surface area:
- >= 5 - <= 125 m²/g
- Skeletal density:
- ca. 1.4 g/cm³
Surface functionalisation / treatment
- Surface treatment applied:
- no
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- other: Solid
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
- State Form:
- solid: particulate/powder
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Constituent 1
- Reference substance name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- EC Number:
- 228-768-4
- EC Name:
- 2-[(2-methoxy-4-nitrophenyl)azo]-N-(2-methoxyphenyl)-3-oxobutyramide
- CAS Number:
- 6358-31-2
- Molecular formula:
- C18H18N4O6
- IUPAC Name:
- 2-[(2-methoxy-4-nitrophenyl)diazenyl]-N-(2-methoxyphenyl)-3-oxobutanamide
Composition(s) generated upon use
Other types of composition(s)
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
