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Identification

Chemical structure
Display Name:
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
EC Number:
226-103-2
EC Name:
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
CAS Number:
5280-68-2
Molecular formula:
C33H27ClN4O6
IUPAC Name:
N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-2-naphthamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Pigment red-146
  • RED F-404
  • Sudafast Red 2973
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform
    Degree of purity:
    > 90 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    226-103-2
    EC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    5280-68-2
    Molecular formula:
    C33H27ClN4O6
    IUPAC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-2-naphthamide
    Impurity 1
    Chemical structure
    Reference substance name:
    4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide
    EC Number:
    224-270-6
    EC Name:
    4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide
    CAS Number:
    4273-92-1
    Molecular formula:
    C19H16ClNO4
    IUPAC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 146 - 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
    Shape:
    rod
    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:
    ca. 0.01 - ca. 0.075 μm
    Percentile:
    D50
    Range:
    ca. 0.03 - ca. 0.1 μm
    Percentile:
    D90
    Range:
    ca. 0.06 - ca. 0.13 μm
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - ca. 100 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. μm
    Range:
    ca. 0.01 - ca. 0.075 μm
    Percentile:
    D50
    Typical value:
    ca. μm
    Range:
    ca. 0.03 - ca. 0.1 μm
    Percentile:
    D90
    Typical value:
    ca. μm
    Range:
    ca. 0.06 - ca. 0.13 μm
    Range of length:
    ca. 0.065 - ca. 0.5 μm
    Range of aspect ratio (:1):
    >= 3 - <= 5
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 146 - joint submission
    Pure structure:
    yes
    Crystal system:
    other: not known

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 200 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform
    Degree of purity:
    > 90 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    226-103-2
    EC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    5280-68-2
    Molecular formula:
    C33H27ClN4O6
    IUPAC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-2-naphthamide
    Impurity 1
    Chemical structure
    Reference substance name:
    4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide
    EC Number:
    224-270-6
    EC Name:
    4'-chloro-3-hydroxy-2',5'-dimethoxy-2-naphthanilide
    CAS Number:
    4273-92-1
    Molecular formula:
    C19H16ClNO4
    IUPAC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 146 - joint submission

    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
    Range:
    ca. 0.01 - ca. 0.075 μm
    Percentile:
    D50
    Range:
    ca. 0.03 - ca. 0.1 μm
    Percentile:
    D90
    Range:
    ca. 0.06 - ca. 0.13 μm
    Additional information:
    The particle size distribution relates to all shape categories
    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. 0.075 μm
    Percentile:
    D50
    Range:
    ca. 0.03 - ca. 0.1 μm
    Percentile:
    D90
    Range:
    ca. 0.06 - ca. 0.13 μm
    Range of length:
    ca. 0.065 - ca. 0.5 μm
    Range of aspect ratio (:1):
    >= 3 - <= 5
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 146
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 200 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform
    Degree of purity:
    > 97 - < 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    226-103-2
    EC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    5280-68-2
    Molecular formula:
    C33H27ClN4O6
    IUPAC Name:
    N-(4-chloro-2,5-dimethoxyphenyl)-3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-2-naphthamide