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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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.

Diss Factsheets

Identification

Chemical structure
Display Name:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
EC Number:
229-440-3
EC Name:
3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
CAS Number:
6535-46-2
Molecular formula:
C24H16Cl3N3O2
IUPAC Name:
3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 2-Naphthalenecarboxamide, 3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5- trichlorophenyl)azo]- (9CI)
  • C.I. 12370
  • C.I. Pigment Red 112
  • C.I. Pigment Red 112 (7CI, 8CI)
  • Flexonyl Red FGR-LA
  • Helio Fast Red BB
  • Helio Fast Red BBN
  • Helio Fast Red BBT
  • Irgalite Red 3RS
  • Isol Aryl Red GR
  • KET Red 304
  • Luconyl Red 3855
  • Permanent Red FGR
  • Permanent Red L
  • Pigment Red 112
  • Sanyo Permanent Red FN
  • Sanyo Permanent Red FNG
  • Segnale Light Red FGR
  • Sico Fast Red L 3855
  • Special Red FGR
  • Unisperse Red 3RS-P
  • Versalová červeň FGRD
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 112_joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes
    Shape:
    cubic
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes
    Shape:
    rod
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %
    Shape category:
    platelet
    Shape:
    plate
    Pure shape:
    no
    Range:
    >= 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.1 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.1 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.3 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.1 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.1 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.3 μm
    Range of length:
    >= 0.07 - <= 0.32 μm
    Range of aspect ratio (:1):
    >= 3 - <= 4.8
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %
    Shape category:
    platelet
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.001 - <= 0.06 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.08 μm
    Percentile:
    D90
    Range:
    >= 0.03 - <= 0.12 μm
    Range of lateral dimension 1:
    >= 0.03 - <= 0.55 μm
    Range of lateral dimension 2:
    >= 0.04 - <= 0.8 μm
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 112
    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
    Degree of purity:
    > 96 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    Impurity 1
    Chemical structure
    Reference substance name:
    3-hydroxy-2'-methyl-2-naphthanilide
    EC Number:
    205-205-0
    EC Name:
    3-hydroxy-2'-methyl-2-naphthanilide
    CAS Number:
    135-61-5
    Molecular formula:
    C18H15NO2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 112_joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing abot 97% spheroidal particles and about 3% elongated particles
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    88 %
    Range:
    ca. 77 - ca. 92 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing about 97% spheroidal particles and about 3% elongated particles
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    9 %
    Range:
    ca. 5 - ca. 20 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing about 97% spheroidal particles and about 3% elongated particles
    Shape:
    rod
    Pure shape:
    yes
    Typical composition:
    3 %
    Range:
    > 0 - < 10 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing abot 97% spheroidal particles and about 3% elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.04 μm
    Range:
    ca. 0.02 - ca. 0.06 μm
    Percentile:
    D50
    Typical value:
    0.07 μm
    Range:
    ca. 0.05 - ca. 0.09 μm
    Percentile:
    D90
    Typical value:
    0.13 μm
    Range:
    ca. 0.12 - ca. 0.15 μm
    Additional information:
    The determined particle size distribution relates to both shape categories. Due to the very low number of elongated particles, no separate evaluation for rods had been conducted. The smallest dimension of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing abot 97% spheroidal particles and about 3% elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.04 μm
    Range:
    ca. 0.02 - ca. 0.06 μm
    Percentile:
    D50
    Typical value:
    0.07 μm
    Range:
    ca. 0.05 - ca. 0.09 μm
    Percentile:
    D90
    Typical value:
    0.13 μm
    Range:
    ca. 0.12 - ca. 0.15 μm
    Typical length:
    0.101 μm
    Range of length:
    ca. 0.05 - ca. 0.155 μm
    Typical aspect ratio (:1):
    3.6 :1
    Range of aspect ratio (:1):
    >= 3 - <= 4.6
    Additional information:
    The determined particle size distribution relates to both shape categories. Due to the very low number of elongated particles, no separate evaluation for rods had been conducted. The smallest dimension of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 112
    Pure structure:
    yes
    Crystal system:
    other:

    Specific surface area

    Typical specific surface area:
    18 m²/g
    Range of specific surface area:
    ca. 13 - ca. 23 m²/g
    Skeletal density:
    1.467 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide

    Shape

    Shape descriptionopen allclose all
    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. 38 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D50
    Typical value:
    ca. 60 nm
    Range:
    >= 20 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 80 nm
    Range:
    >= 35 - <= 300 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 38 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D50
    Typical value:
    ca. 60 nm
    Range:
    >= 20 - <= 100 nm
    Percentile:
    D90
    Typical value:
    >= 80 nm
    Range:
    >= 35 - <= 300 nm
    Range of length:
    >= 80 - <= 300 nm
    Range of aspect ratio (:1):
    >= 3 - <= 4.5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Red 112
    Pure structure:
    yes
    Description:
    Pigment looks crystalline in nature.

    Specific surface area

    Typical specific surface area:
    ca. 35.7 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 112-joint submission

    Shape

    Shape description
    Shape category:
    platelet
    Shape:
    plate
    Pure shape:
    yes
    Typical composition:
    >= 90 %
    Range:
    >= 90 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    platelet
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 38 nm
    Range:
    >= 20 - <= 60 nm
    Percentile:
    D50
    Typical value:
    ca. 50 nm
    Range:
    >= 30 - <= 70 nm
    Percentile:
    D90
    Typical value:
    ca. 90 nm
    Range:
    >= 70 - <= 120 nm
    Typical lateral dimension 1:
    ca. 130 nm
    Range of lateral dimension 1:
    >= 30 - <= 250 nm
    Typical lateral dimension 2:
    ca. 204 nm
    Range of lateral dimension 2:
    >= 60 - <= 700 nm
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    >= 60 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 112
    Pure structure:
    yes
    Typical composition:
    ca. 85 %
    Range:
    >= 80 - <= 100 %
    Crystal system:
    other:
    Description:
    Powder diffraction always gives slightly lower values for crystallinity, it can be assumed that the crystalline fraction is close to 100%.

    Specific surface area

    Typical specific surface area:
    ca. 35.6 m²/g
    Range of specific surface area:
    >= 20 - <= 50 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 112-joint submission

    Shape

    Shape description
    Shape category:
    platelet
    Shape:
    plate
    Pure shape:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    platelet
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 37 nm
    Range:
    >= 1 - <= 60 nm
    Percentile:
    D50
    Typical value:
    ca. 54 nm
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D90
    Typical value:
    ca. 69 nm
    Range:
    >= 30 - <= 120 nm
    Typical lateral dimension 1:
    ca. 213 nm
    Range of lateral dimension 1:
    >= 40 - <= 800 nm
    Typical lateral dimension 2:
    ca. 134 nm
    Range of lateral dimension 2:
    >= 30 - <= 550 nm
    Typical aspect ratio (:1):
    ca. 4 :1
    Range of aspect ratio (:1):
    >= 1 - <= 9
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 112
    Pure structure:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %

    Specific surface area

    Typical specific surface area:
    ca. 29.4 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g
    Skeletal density:
    ca. 1.333 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 112_joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    95 %
    Range:
    >= 0 - <= 100 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    5 %
    Range:
    >= 0 - < 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    41 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D50
    Typical value:
    82 nm
    Range:
    >= 20 - <= 100 nm
    Percentile:
    D90
    Typical value:
    116 nm
    Range:
    >= 35 - <= 300 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 112
    Pure structure:
    yes
    Typical composition:
    81.8 %
    Range:
    > 60 - < 95 %

    Specific surface area

    Typical specific surface area:
    45.7 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
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 112_Nanoform_Platelet

    Shape

    Shape description
    Shape category:
    platelet
    Shape:
    plate
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    platelet
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 83 nm
    Range:
    > 1 - < 120 nm
    Percentile:
    D50
    Typical value:
    ca. 207 nm
    Range:
    > 80 - < 300 nm
    Percentile:
    D90
    Typical value:
    ca. 447 nm
    Range:
    > 150 - < 600 nm
    Typical lateral dimension 1:
    ca. 240 nm
    Range of lateral dimension 1:
    > 80 - < 350 nm
    Typical lateral dimension 2:
    ca. 385 nm
    Range of lateral dimension 2:
    > 200 - < 600 nm
    Typical aspect ratio (:1):
    ca. 1.5 :1
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Red 112
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 19.7 m²/g
    Range of specific surface area:
    > 5 - < 80 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    Degree of purity:
    > 90 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    EC Number:
    229-440-3
    EC Name:
    3-hydroxy-N-(o-tolyl)-4-[(2,4,5-trichlorophenyl)azo]naphthalene-2-carboxamide
    CAS Number:
    6535-46-2
    Molecular formula:
    C24H16Cl3N3O2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-4-[(2,4,5-trichlorophenyl)diazenyl]-2-naphthamide
    Impurity 1
    Chemical structure
    Reference substance name:
    3-hydroxy-2'-methyl-2-naphthanilide
    EC Number:
    205-205-0
    EC Name:
    3-hydroxy-2'-methyl-2-naphthanilide
    CAS Number:
    135-61-5
    Molecular formula:
    C18H15NO2
    IUPAC Name:
    3-hydroxy-N-(2-methylphenyl)-2-naphthamide

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