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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
EC Number:
235-425-2
EC Name:
N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
CAS Number:
12225-06-8
Molecular formula:
C32H24N6O5
IUPAC Name:
3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Versal Red HF3C
  • Versalová červeň HF3C
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 176 - 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:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    ca. 0.01 - ca. 0.04 μm
    Percentile:
    D50
    Range:
    ca. 0.02 - ca. 0.05 μm
    Percentile:
    D90
    Range:
    ca. 0.035 - ca. 0.07 μm
    Range of length:
    ca. 0.025 - ca. 0.415 μm
    Range of aspect ratio (:1):
    >= 3.5 - <= 5.5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    > 0.01 - ca. 0.04 μm
    Percentile:
    D50
    Range:
    ca. 0.02 - ca. 0.05 μm
    Percentile:
    D90
    Range:
    ca. 0.035 - ca. 0.07 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 176
    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


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 176 - 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:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.05 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.07 μm
    Range of length:
    >= 0.025 - <= 0.415 μm
    Range of aspect ratio (:1):
    >= 3.5 - <= 5.5
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.05 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.07 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 176
    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


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 176 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    ca. 1 %
    Range:
    > 0 - <= 15 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca. 15 %
    Range:
    >= 5 - <= 45 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 84 %
    Range:
    > 50 - <= 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 0.025 μm
    Range:
    ca. 0.015 - ca. 0.035 μm
    Percentile:
    D50
    Typical value:
    ca. 0.036 μm
    Range:
    ca. 0.025 - ca. 0.045 μm
    Percentile:
    D90
    Typical value:
    ca. 0.052 μm
    Range:
    ca. 0.04 - ca. 0.065 μm
    Typical length:
    ca. 0.221 μm
    Range of length:
    ca. 0.075 - ca. 0.37 μm
    Typical aspect ratio (:1):
    ca. 5.2 :1
    Range of aspect ratio (:1):
    >= 3.7 - <= 5.5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 0.025 μm
    Range:
    > 0.015 - ca. 0.035 μm
    Percentile:
    D50
    Typical value:
    ca. 0.036 μm
    Range:
    ca. 0.025 - ca. 0.045 μm
    Percentile:
    D90
    Typical value:
    ca. 0.052 μm
    Range:
    ca. 0.04 - ca. 0.065 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 176
    Pure structure:
    yes
    Crystal system:
    other: not known

    Specific surface area

    Typical specific surface area:
    ca. 65 m²/g
    Range of specific surface area:
    >= 45 - ca. 85 m²/g
    Skeletal density:
    >= 1.416 - <= 1.418 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    Pigment Red 176

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Multimodal
    Shape:
    polyhedral
    Pure shape:
    yes
    Typical composition:
    37.74 %
    Range:
    > 1 - < 100 %
    Shape category:
    elongated
    Remarks:
    Multimodal - Needle-like particles
    Shape:
    rod
    Pure shape:
    yes
    Typical composition:
    62.26 %
    Range:
    > 1 - < 100 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    Multimodal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.021 μm
    Range:
    > 0.01 - < 0.03 μm
    Percentile:
    D50
    Typical value:
    0.03 μm
    Range:
    > 0.02 - < 0.04 μm
    Percentile:
    D90
    Typical value:
    0.04 μm
    Range:
    > 0.03 - < 0.05 μm
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %
    Shape category:
    elongated
    Remarks:
    Multimodal - Needle-like particles
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    0.024 μm
    Range:
    > 0.01 - < 0.03 μm
    Percentile:
    D50
    Typical value:
    0.031 μm
    Range:
    > 0.02 - < 0.04 μm
    Percentile:
    D90
    Typical value:
    0.043 μm
    Range:
    > 0.03 - < 0.05 μm
    Range of length:
    > 0.064 - < 0.384 μm
    Range of aspect ratio (:1):
    >= 3 - <= 11.7
    Fraction of constituent particles in the size range 1-100 nm:
    > 1 - < 100 %

    Crystallinity

    Structures
    Structure:
    amorphous
    Pure structure:
    no
    Range:
    > 3 - < 7 %

    Specific surface area

    Typical specific surface area:
    60.129 m²/g
    Range of specific surface area:
    > 50 - < 65 m²/g
    Typical volume specific surface area:
    179.43 m²/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 176

    Shape

    Shape descriptionopen allclose all
    Shape category:
    elongated
    Shape:
    other: needle
    Pure shape:
    no
    Typical composition:
    16 %
    Range:
    > 10 - < 20 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    84 %
    Range:
    > 80 - < 90 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    13 nm
    Range:
    > 11 - < 15 nm
    Percentile:
    D50
    Typical value:
    18 nm
    Range:
    > 15 - < 20 nm
    Percentile:
    D90
    Typical value:
    24 nm
    Range:
    > 22 - < 27 nm
    Typical length:
    68.36 nm
    Range of length:
    > 28 - <= 108 nm
    Typical aspect ratio (:1):
    3.69 :1
    Range of aspect ratio (:1):
    >= 3.14 - <= 4.24
    Fraction of constituent particles in the size range 1-100 nm:
    >= 100 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    12 nm
    Range:
    > 10 - < 15 nm
    Percentile:
    D50
    Typical value:
    19 nm
    Range:
    > 16 - < 22 nm
    Percentile:
    D90
    Typical value:
    26 nm
    Range:
    > 22 - < 28 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 100 - <= 100 %

    Crystallinity

    Structures
    Structure:
    partially-crystalline
    Pure structure:
    no
    Range:
    > 73 - < 79 %
    Crystal system:
    not applicable

    Specific surface area

    Typical specific surface area:
    63.5 m²/g
    Range of specific surface area:
    > 60 - < 65 m²/g
    Typical volume specific surface area:
    92.5 m²/cm³
    Range of volume specific surface area:
    > 90 - < 98 m²/cm³
    Skeletal density:
    1.458 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 176 - 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:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.05 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.07 μm
    Range of length:
    >= 0.025 - <= 0.415 μm
    Range of aspect ratio (:1):
    >= 3.5 - <= 5.5
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D50
    Range:
    >= 0.02 - <= 0.05 μm
    Percentile:
    D90
    Range:
    >= 0.035 - <= 0.07 μm
    Additional information:
    The particle size distribution relates to all shape categories
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 176
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 70 m²/g
    Range of specific surface area:
    >= 5 - <= 200 m²/g
    Skeletal density:
    ca. 1.4 g/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide


    Constituent 1
    Chemical structure
    Reference substance name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    EC Number:
    235-425-2
    EC Name:
    N-(2,3-dihydro-2-oxo-1H-benzimidazol-5-yl)-3-hydroxy-4-[[2-methoxy-5-[(phenylamino)carbonyl]phenyl]azo]naphthalene-2-carboxamide
    CAS Number:
    12225-06-8
    Molecular formula:
    C32H24N6O5
    IUPAC Name:
    3-hydroxy-4-{[2-methoxy-5-(phenylcarbamoyl)phenyl]diazenyl}-N-(2-oxo-2,3-dihydro-1H-benzimidazol-5-yl)-2-naphthamide

    Composition(s) generated upon use

    Other types of composition(s)