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Identification

Chemical structure
Display Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
271-178-7
EC Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
68516-75-6
Molecular formula:
C44H26Cl4N6O4
IUPAC Name:
N,N'-naphthalene-1,5-diylbis{4-[(2,3-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers

Compositions

Boundary Composition(s) open all close all

State Form:
solid: nanoform


Constituent 1
Chemical structure
Reference substance name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
271-178-7
EC Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
68516-75-6
Molecular formula:
C44H26Cl4N6O4
IUPAC Name:
N,N'-naphthalene-1,5-diylbis{4-[(2,3-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
C.I. Pigment Brown 41 - joint submission

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Shape:
cubic
Pure shape:
no
Range:
> 19 - < 60 %
Shape category:
spheroidal
Shape:
spherical
Pure shape:
no
Range:
> 1 - < 10 %
Shape category:
elongated
Shape:
rod
Pure shape:
no
Range:
> 30 - < 80 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Percentileopen allclose all
Percentile:
D10
Range:
ca. 0.01 - ca. 0.055 μm
Percentile:
D50
Range:
ca. 0.015 - ca. 0.07 μm
Percentile:
D90
Range:
ca. 0.04 - ca. 0.1 μm
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - ca. 100 %
Shape category:
elongated
Percentileopen allclose all
Percentile:
D10
Range:
ca. 0.01 - ca. 0.055 μm
Percentile:
D50
Range:
ca. 0.015 - ca. 0.07 μm
Percentile:
D90
Range:
ca. 0.04 - ca. 0.1 μm
Range of length:
> 0.01 - < 0.54 μm
Range of aspect ratio (:1):
>= 3.8 - <= 4.6
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - ca. 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
C.I. Pigment Brown 41 - joint submission
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
Chemical structure
Reference substance name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
271-178-7
EC Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
68516-75-6
Molecular formula:
C44H26Cl4N6O4
IUPAC Name:
N,N'-naphthalene-1,5-diylbis{4-[(2,3-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Characterisation of nanoforms

Type of information reported:
single nanoform
Name of nanoform:
C.I. Pigment Brown 41 - joint submission

Shape

Shape descriptionopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing about 50% spheroidal particles and about 50% elongated particles
Shape:
cubic
Pure shape:
no
Typical composition:
ca. 45 %
Range:
> 19 - < 60 %
Shape category:
spheroidal
Remarks:
multimodal shapes containing about 50% spheroidal particles and about 50% elongated particles
Shape:
spherical
Pure shape:
no
Typical composition:
ca. 5 %
Range:
> 1 - < 10 %
Shape category:
elongated
Remarks:
multimodal shapes containing about 50% spheroidal particles and about 50% elongated particles
Shape:
rod
Pure shape:
no
Typical composition:
ca. 50 %
Range:
> 30 - < 80 %

Particle size distribution and range

Particle size distribution and rangeopen allclose all
Shape category:
spheroidal
Remarks:
multimodal shapes containing about 50% spheroidal particles and about 50% elongated particles
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 0.025 μm
Range:
ca. 0.01 - ca. 0.045 μm
Percentile:
D50
Typical value:
ca. 0.042 μm
Range:
ca. 0.02 - ca. 0.6 μm
Percentile:
D90
Typical value:
ca. 0.069 μm
Range:
ca. 0.05 - ca. 0.09 μm
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - ca. 100 %
Shape category:
elongated
Remarks:
multimodal shapes containing about 50% spheroidal particles and about 50% elongated particles
Percentileopen allclose all
Percentile:
D10
Typical value:
ca. 0.025 μm
Range:
ca. 0.01 - ca. 0.045 μm
Percentile:
D50
Typical value:
ca. 0.042 μm
Range:
ca. 0.02 - ca. 0.06 μm
Percentile:
D90
Typical value:
ca. 0.069 μm
Range:
ca. 0.05 - ca. 0.09 μm
Typical length:
ca. 0.216 μm
Range of length:
ca. 0.055 - ca. 0.38 μm
Typical aspect ratio (:1):
ca. 4.2 :1
Range of aspect ratio (:1):
>= 4 - <= 4.4
Fraction of constituent particles in the size range 1-100 nm:
>= 80 - ca. 100 %

Crystallinity

Structures
Structure:
crystalline
Name:
C.I. Pigment Brown 41
Pure structure:
yes
Typical composition:
100 %
Crystal system:
other: unknown

Specific surface area

Typical specific surface area:
ca. 48 m²/g
Range of specific surface area:
>= 33 - <= 63 m²/g
Skeletal density:
1.562 g/cm³

Surface functionalisation / treatment

Surface treatment applied:
no
State Form:
solid: particulate/powder


Constituent 1
Chemical structure
Reference substance name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
EC Number:
271-178-7
EC Name:
N,N'-naphthalene-1,5-diylbis[4-[(2,3-dichlorophenyl)azo]-3-hydroxynaphthalene-2-carboxamide]
CAS Number:
68516-75-6
Molecular formula:
C44H26Cl4N6O4
IUPAC Name:
N,N'-naphthalene-1,5-diylbis{4-[(2,3-dichlorophenyl)diazenyl]-3-hydroxy-2-naphthamide}

Composition(s) generated upon use

Other types of composition(s)

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