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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
EC Number:
221-424-4
EC Name:
2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
CAS Number:
3089-17-6
Molecular formula:
C20H10Cl2N2O2
IUPAC Name:
2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Pigment Red 202
  • Cinquasia Magenta K 4535

    • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 202 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 60 - < 100 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 40 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    rod
    Pure shape:
    yes
    Range:
    > 0 - < 15 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.03 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.05 μm
    Additional information:
    The particle size distribution relates to both shape categories.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.03 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.05 μm
    Range of length:
    >= 0.04 - <= 0.14 μm
    Range of aspect ratio (:1):
    >= 3 - <= 4.6
    Additional information:
    The particle size distribution relates to both shape categories.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 202
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 5 - <= 125 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:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 202 - joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    cubic
    Pure shape:
    no
    Range:
    > 60 - < 100 %
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    spherical
    Pure shape:
    no
    Range:
    > 0 - < 40 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Shape:
    rod
    Pure shape:
    yes
    Range:
    > 0 - < 15 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.03 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.05 μm
    Additional information:
    The particle size distribution relates to both shape categories. Due to the low number of elongated particles no scientifically sound separate evaluation for rods could be conducted. The smallest dimension of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %
    Shape category:
    elongated
    Remarks:
    multimodal shapes containing spheroidal and elongated particles
    Percentileopen allclose all
    Percentile:
    D10
    Range:
    >= 0.01 - <= 0.03 μm
    Percentile:
    D50
    Range:
    >= 0.01 - <= 0.04 μm
    Percentile:
    D90
    Range:
    >= 0.01 - <= 0.05 μm
    Range of length:
    >= 0.05 - <= 0.12 μm
    Range of aspect ratio (:1):
    >= 3 - <= 4.6
    Additional information:
    The particle size distribution relates to both shape categories. Due to the low number of elongated particles no scientifically sound separate evaluation for rods could be conducted. The smallest dimension of all particles had been considered.
    Fraction of constituent particles in the size range 1-100 nm:
    >= 90 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 202
    Pure structure:
    yes

    Specific surface area

    Range of specific surface area:
    >= 40 - <= 80 m²/g
    Skeletal density:
    1.627 g/cm³

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    This nanoform is covered by a registration:
    yes
    Name of nanoform:
    C.I Pigment red 202

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    93 %
    Range:
    >= 85 - <= 100 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    7 %
    Range:
    >= 0 - <= 15 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 18 nm
    Range:
    >= 10 - <= 30 nm
    Percentile:
    D50
    Typical value:
    ca. 25 nm
    Range:
    >= 10 - <= 40 nm
    Percentile:
    D90
    Typical value:
    ca. 33 nm
    Range:
    >= 10 - <= 50 nm
    Additional information:
    The particle size distribution relates to both shape categories.
    Fraction of constituent particles in the size range 1-100 nm:
    100 - 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    18 nm
    Range:
    >= 10 - <= 30 nm
    Percentile:
    D50
    Typical value:
    25 nm
    Range:
    >= 10 - <= 40 nm
    Percentile:
    D90
    Typical value:
    35 nm
    Range:
    >= 10 - <= 50 nm
    Typical length:
    60 nm
    Range of length:
    >= 40 - <= 140 nm
    Typical aspect ratio (:1):
    4 :1
    Range of aspect ratio (:1):
    >= 3 - <= 4.6
    Additional information:
    The particle size distribution relates to both shape categories.
    Fraction of constituent particles in the size range 1-100 nm:
    100 - 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 202
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    64 m²/g
    Range of specific surface area:
    >= 20 - <= 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 202_nanoform spherical

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 77 nm
    Range:
    > 40 - < 100 nm
    Percentile:
    D50
    Typical value:
    ca. 51 nm
    Range:
    > 10 - < 70 nm
    Percentile:
    D10
    Typical value:
    ca. 32 nm
    Range:
    > 10 - < 40 nm
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 98 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    PR 202
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 75 m²/g
    Range of specific surface area:
    > 50 - < 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    Pigment Red 202_nanoform spherical

    Shape

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

    Particle size distribution and range

    Particle size distribution and range
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D90
    Typical value:
    ca. 77 nm
    Range:
    > 40 - < 100 nm
    Percentile:
    D50
    Typical value:
    ca. 51 nm
    Range:
    > 10 - < 70 nm
    Percentile:
    D10
    Typical value:
    ca. 32 nm
    Range:
    > 10 - < 40 nm
    Fraction of constituent particles in the size range 1-100 nm:
    ca. 98 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    PR 202
    Pure structure:
    yes

    Specific surface area

    Typical specific surface area:
    ca. 66 m²/g
    Range of specific surface area:
    > 50 - < 100 m²/g

    Surface functionalisation / treatment

    Surface treatment applied:
    no
    State Form:
    solid: nanoform


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Characterisation of nanoforms

    Type of information reported:
    single nanoform
    Name of nanoform:
    C.I. Pigment Red 202 – joint submission

    Shape

    Shape descriptionopen allclose all
    Shape category:
    spheroidal
    Shape:
    spherical
    Pure shape:
    no
    Typical composition:
    ca. 12.2 %
    Range:
    >= 0 - <= 40 %
    Shape category:
    spheroidal
    Shape:
    cubic
    Pure shape:
    no
    Typical composition:
    ca. 46.1 %
    Range:
    >= 30 - <= 100 %
    Shape category:
    elongated
    Shape:
    rod
    Pure shape:
    no
    Typical composition:
    ca. 41.7 %
    Range:
    >= 0 - <= 60 %

    Particle size distribution and range

    Particle size distribution and rangeopen allclose all
    Shape category:
    spheroidal
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 74 nm
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D50
    Typical value:
    ca. 106 nm
    Range:
    >= 10 - <= 110 nm
    Percentile:
    D90
    Typical value:
    ca. 142 nm
    Range:
    >= 10 - <= 150 nm
    Fraction of constituent particles in the size range 1-100 nm:
    >= 40 - <= 100 %
    Shape category:
    elongated
    Percentileopen allclose all
    Percentile:
    D10
    Typical value:
    ca. 67 nm
    Range:
    >= 10 - <= 80 nm
    Percentile:
    D50
    Typical value:
    ca. 87 nm
    Range:
    >= 10 - <= 100 nm
    Percentile:
    D90
    Typical value:
    ca. 128 nm
    Range:
    >= 10 - <= 150 nm
    Typical length:
    ca. 362 nm
    Range of length:
    >= 184 - <= 659 nm
    Typical aspect ratio (:1):
    ca. 3.9 :1
    Range of aspect ratio (:1):
    >= 3 - <= 5.7
    Fraction of constituent particles in the size range 1-100 nm:
    >= 50 - <= 100 %

    Crystallinity

    Structures
    Structure:
    crystalline
    Name:
    C.I. Pigment Red 202
    Pure structure:
    yes
    Typical composition:
    ca. 100 %
    Range:
    >= 90 - <= 100 %

    Specific surface area

    Typical specific surface area:
    ca. 21.5 m²/g
    Range of specific surface area:
    >= 5 - <= 125 m²/g

    Surface functionalisation / treatment

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


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione


    Constituent 1
    Chemical structure
    Reference substance name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    EC Number:
    221-424-4
    EC Name:
    2,9-dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione
    CAS Number:
    3089-17-6
    Molecular formula:
    C20H10Cl2N2O2
    IUPAC Name:
    2,9-dichloro-5,7,12,14-tetrahydro-5,12-diazapentacene-7,14-dione

    Composition(s) generated upon use

    Other types of composition(s)