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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
-
EC Number:
401-540-3
EC Name:
-
CAS Number:
84632-65-5
Molecular formula:
C18H10Cl2N2O2
IUPAC Name:
3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
  • PR 254 DPP RED DPP RED C.I. 56110 C.I.Pigment red 254 CROMOPHTAL DPP RED BPN
  • Pigment Red 254
  • Verdcol DPP Red 254 PTR
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    3,6-bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrol-1,4-dione nanoform (not surface treated)

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    polyhedral
    Pure shape:
    no
    Range:
    >= 0 - < 100 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca.
    Range:
    > 10 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    >= 0 - < 50 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 35 nm
    Range:
    ca. 10 - ca. 70 nm
    Percentile:
    D50
    Typical value:
    ca. 50 nm
    Range:
    ca. 20 - ca. 90 nm
    Percentile:
    D90
    Typical value:
    ca. 80 nm
    Range:
    ca. 50 - ca. 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 80 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    polyhedron
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 90 m²/g
    Range of specific surface area:
    ca. 25 - ca. 120 m²/g
    Typical volume specific surface area:
    ca. 140 m²/cm³
    Range of volume specific surface area:
    ca. 40 - ca. 200 m²/cm³
    Skeletal density:
    ca. 1.58 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    3,6-bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrol-1,4-dione nanoform (not surface treated)

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 30.8 nm
    Range:
    ca. 28 - ca. 40 nm
    Percentile:
    D50
    Typical value:
    ca. 46.2 nm
    Range:
    ca. 44 - ca. 54 nm
    Percentile:
    D90
    Typical value:
    ca. 73.1 nm
    Range:
    ca. 65 - ca. 80 nm
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 97 - ca. 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    cube
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 94.1 m²/g
    Range of specific surface area:
    ca. 85 - ca. 105 m²/g
    Typical volume specific surface area:
    ca. 136.3 m²/cm³
    Range of volume specific surface area:
    ca. 125 - ca. 150 m²/cm³
    Skeletal density:
    ca. 1.58 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 254 nanoform

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 35.35 nm
    Range:
    >= 30 - <= 60 nm
    Percentile:
    D50
    Typical value:
    ca. 22.68 nm
    Range:
    >= 20 - <= 40 nm
    Percentile:
    D10
    Typical value:
    ca. 15.52 nm
    Range:
    >= 10 - <= 30 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Red 254
    Pure structure:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %
    Crystal system:
    not applicable

    Specific surface area

    Typical specific surface area:
    ca. 86.95 m²/g
    Range of specific surface area:
    >= 70 - <= 100 m²/g

    Surface functionalisation / treatment

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


    State Form:
    solid: nanoform


    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 254_LE_nanoform

    Shape

    Shape description
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    yes
    Typical composition:
    >= 80 %
    Range:
    >= 80 - <= 100 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D50
    Typical value:
    ca. 26 nm
    Range:
    >= 5 - <= 100 nm
    Percentile:
    D10
    Typical value:
    ca. 20 nm
    Range:
    >= 5 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 56 nm
    Range:
    >= 5 - <= 100 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    Pigment Red 254_LE_nanoform
    Pure structure:
    yes
    Typical composition:
    >= 80 %
    Range:
    >= 80 - <= 100 %
    Description:
    crystallinity based on TEM

    Specific surface area

    Typical specific surface area:
    ca. 94 m²/g
    Range of specific surface area:
    >= 60 - <= 120 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 254_DE90

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 10 - < 100 %
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 50 %

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.02 - <= 0.07 μm
    Percentile:
    D50
    Range:
    >= 0.03 - <= 0.09 μm
    Percentile:
    D90
    Range:
    >= 0.05 - <= 0.15 μm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 80 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 254
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 25 - <= 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    3,6-bis(4-chlorophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrol-1,4-dione nanoform (not surface treated)

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    48.2 nm
    Range:
    >= 10 - <= 70 nm
    Percentile:
    D50
    Typical value:
    66.5 nm
    Range:
    >= 20 - <= 90 nm
    Percentile:
    D90
    Typical value:
    108.4 nm
    Range:
    >= 50 - <= 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    > 80 - < 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    polyhedron
    Pure structure:
    yes
    Range:
    > 50 - <= 95 %

    Specific surface area

    Typical specific surface area:
    84.29 m²/g
    Range of specific surface area:
    > 25 - < 120 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:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    B1_PR254

    Shape

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

    Particle size distribution and range

    Crystallinity

    Specific surface area

    Typical specific surface area:
    ca. 84 m²/g
    Range of specific surface area:
    >= 83 - <= 85 m²/g
    Typical volume specific surface area:
    ca. 132.5 m²/cm³
    Skeletal density:
    ca. 1.58 g/cm³

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    -
    EC Number:
    401-540-3
    EC Name:
    -
    CAS Number:
    84632-65-5
    Molecular formula:
    C18H10Cl2N2O2
    IUPAC Name:
    3,6-bis(4-chlorophenyl)-1H,2H,4H,5H-pyrrolo[3,4-c]pyrrole-1,4-dione
    State Form:
    solid: bulk


    Composition(s) generated upon use

    Other types of composition(s)