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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
EC Number:
229-355-1
EC Name:
2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
CAS Number:
6486-23-3
Molecular formula:
C16H12Cl2N4O4
IUPAC Name:
2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 6486-23-3
  • SEIKAFAST YELLOW 10GH
  • Sudacolor Yellow 10G
  • Versalová žluť 10 G
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 3-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 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    ca. 0.01 - ca. 0.095 μm
    Percentile:
    D50
    Range:
    ca. 0.05 - ca. 0.1 μm
    Percentile:
    D90
    Range:
    ca. 0.09 - ca. 0.22 μm
    Additional information:
    ASSEMBLY STRUCTURE: homogeneous and solid spheroidal 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 3
    Pure structure:
    yes

    Specific surface area

    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:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 3 - 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 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    ca. 0.01 - ca. 0.095 μm
    Percentile:
    D50
    Range:
    ca. 0.05 - ca. 0.1 μm
    Percentile:
    D90
    Range:
    ca. 0.09 - ca. 0.22 μm
    Additional information:
    ASSEMBLY STRUCTURE: homogeneous and solid spheroidal 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 3
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 3-joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    ca. 75 %
    Range:
    > 50 - < 100 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca. 25 %
    Range:
    > 10 - < 50 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 0.053 μm
    Range:
    > 0.01 - < 0.095 μm
    Percentile:
    D50
    Typical value:
    ca. 0.092 μm
    Range:
    > 0.05 - < 0.1 μm
    Percentile:
    D90
    Typical value:
    ca. 0.151 μm
    Range:
    > 0.11 - < 0.195 μm
    Additional information:
    ASSEMBLY STRUCTURE: homogeneous and solid spheroidal 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 3
    Pure structure:
    yes
    Crystal system:
    orthorhombic
    Bravais lattice:
    primitive orthorhombic

    Specific surface area

    Typical specific surface area:
    ca. 9 m²/g
    Range of specific surface area:
    >= 6 - <= 12 m²/g
    Skeletal density:
    1.566 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Yellow 3_Nanoform_Spheroidal

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    yes
    Typical composition:
    ca. 20 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    yes
    Typical composition:
    ca. 38 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    ca. 43 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 59 nm
    Range:
    >= 1 - <= 80 nm
    Percentile:
    D50
    Typical value:
    ca. 96 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 178 nm
    Range:
    >= 50 - <= 250 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 20 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Yellow 3
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 13.1 m²/g
    Range of specific surface area:
    >= 5 - <= 70 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Yellow 3 - 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 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 0.05 μm
    Range:
    ca. 0.01 - ca. 0.095 μm
    Percentile:
    D50
    Typical value:
    ca. 0.08 μm
    Range:
    ca. 0.05 - ca. 0.1 μm
    Percentile:
    D90
    Typical value:
    ca. 0.145 μm
    Range:
    ca. 0.09 - ca. 0.22 μm
    Additional information:
    ASSEMBLY STRUCTURE: homogeneous and solid spheroidal 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 3
    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. 1.5 g/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide


    Constituent 1
    Chemical structure
    Reference substance name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    EC Number:
    229-355-1
    EC Name:
    2-[(4-chloro-2-nitrophenyl)azo]-N-(2-chlorophenyl)-3-oxobutyramide
    CAS Number:
    6486-23-3
    Molecular formula:
    C16H12Cl2N4O4
    IUPAC Name:
    2-[(4-chloro-2-nitrophenyl)diazenyl]-N-(2-chlorophenyl)-3-oxobutanamide

    Composition(s) generated upon use

    Other types of composition(s)