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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
EC Number:
276-344-2
EC Name:
5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
CAS Number:
72102-84-2
Molecular formula:
C12H10N6O4
IUPAC Name:
5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 276-344-2
  • Pigment Orange 64
  • Sudaperm Orange 2917
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 130 nm
    Range:
    > 100 - < 200 nm
    Percentile:
    D10
    Typical value:
    ca. 30 nm
    Range:
    > 1 - < 50 nm
    Percentile:
    D50
    Typical value:
    ca. 60 nm
    Range:
    > 30 - < 90 nm
    Typical length:
    ca. 70 nm
    Range of length:
    > 10 - < 300 nm
    Typical aspect ratio (:1):
    < 1.5 :1
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 80 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 64
    Pure structure:
    yes
    Typical composition:
    ca. 100 %

    Specific surface area

    Typical specific surface area:
    30 m²/g
    Range of specific surface area:
    > 15 - < 500 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape description
    Shape category:
    spheroidal

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentile
    Percentile:
    D50
    Range:
    > 10 - < 100 nm
    Range of aspect ratio (:1):
    >= 1 - <= 5

    Specific surface area

    Range of specific surface area:
    > 15 - <= 500 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:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D50
    Typical value:
    ca. 60.8 nm
    Range:
    > 40 - < 80 nm
    Percentile:
    D10
    Typical value:
    ca. 31.1 nm
    Range:
    > 1 - < 50 nm
    Percentile:
    D90
    Typical value:
    ca. 131.1 nm
    Range:
    > 100 - < 200 nm
    Typical length:
    73.8 nm
    Range of length:
    > 10 - < 300 nm
    Typical aspect ratio (:1):
    ca. 1.7 :1
    Range of aspect ratio (:1):
    >= 1 - <= 3
    Fraction of constituent particles in the size range 1-100 nm:
    > 70 - <= 85 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 64
    Pure structure:
    yes
    Typical composition:
    100 %

    Specific surface area

    Typical specific surface area:
    20.8 m²/g
    Range of specific surface area:
    > 15 - < 500 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 125 nm
    Range:
    > 100 - < 200 nm
    Percentile:
    D50
    Typical value:
    ca. 78 nm
    Range:
    > 30 - < 60 nm
    Percentile:
    D10
    Typical value:
    ca. 29 nm
    Range:
    > 1 - < 50 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 64
    Pure structure:
    yes
    Description:
    Pigment looks crystalline in nature

    Specific surface area

    Typical specific surface area:
    ca. 24.29 m²/g
    Range of specific surface area:
    > 20 - < 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment orange 64

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 62.65 nm
    Range:
    >= 0 - <= 70 nm
    Percentile:
    D90
    Typical value:
    ca. 122.47 nm
    Range:
    >= 50 - <= 150 nm
    Percentile:
    D50
    Typical value:
    ca. 92.41 nm
    Range:
    >= 10 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 64
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 17.23 m²/g
    Range of specific surface area:
    >= 15 - <= 500 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    <= 100 %
    Range:
    > 0 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 40 nm
    Range:
    >= 10 - <= 85 nm
    Percentile:
    D50
    Typical value:
    ca. 70 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 150 nm
    Range:
    >= 100 - <= 200 nm
    Range of aspect ratio (:1):
    >= 1 - <= 5
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Orange 64
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 25 m²/g
    Range of specific surface area:
    >= 15 - <= 500 m²/g
    Skeletal density:
    ca. 1.6 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    Does the set contain both treated and non-surface treated nanoforms?:
    no
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione


    Constituent 1
    Chemical structure
    Reference substance name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    EC Number:
    276-344-2
    EC Name:
    5-[(2,3-dihydro-6-methyl-2-oxo-1H-benzimidazol-5-yl)azo]barbituric acid
    CAS Number:
    72102-84-2
    Molecular formula:
    C12H10N6O4
    IUPAC Name:
    5-[(1E)-2-(6-methyl-2-oxo-2,3-dihydro-1H-1,3-benzodiazol-5-yl)diazen-1-yl]-1,3-diazinane-2,4,6-trione

    Composition(s) generated upon use

    Other types of composition(s)