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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
1-[(2,4-dinitrophenyl)azo]-2-naphthol
EC Number:
222-429-4
EC Name:
1-[(2,4-dinitrophenyl)azo]-2-naphthol
CAS Number:
3468-63-1
Molecular formula:
C16H10N4O5
IUPAC Name:
1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • Pigment Orange 5
  • SEIKAFAST ORANGE 3064-K
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    State Form:
    solid: particulate/powder
    Degree of purity:
    > 80 - <= 99.97 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    Impurity 1
    Chemical structure
    Reference substance name:
    1-chloro-2,4-dinitrobenzene
    EC Number:
    202-551-4
    EC Name:
    1-chloro-2,4-dinitrobenzene
    CAS Number:
    97-00-7
    Molecular formula:
    C6H3ClN2O4
    IUPAC Name:
    1-chloro-2,4-dinitrobenzene

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    Degree of purity:
    > 90 - < 96 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    Impurity 1
    Chemical structure
    Reference substance name:
    1-chloro-2,4-dinitrobenzene
    EC Number:
    202-551-4
    EC Name:
    1-chloro-2,4-dinitrobenzene
    CAS Number:
    97-00-7
    Molecular formula:
    C6H3ClN2O4
    IUPAC Name:
    1-chloro-2,4-dinitrobenzene


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    Degree of purity:
    > 89.92 - <= 100 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    EC Number:
    222-429-4
    EC Name:
    1-[(2,4-dinitrophenyl)azo]-2-naphthol
    CAS Number:
    3468-63-1
    Molecular formula:
    C16H10N4O5
    IUPAC Name:
    1-[(2,4-dinitrophenyl)diazenyl]-2-naphthol
    Impurity 1
    Chemical structure
    Reference substance name:
    1-chloro-2,4-dinitrobenzene
    EC Number:
    202-551-4
    EC Name:
    1-chloro-2,4-dinitrobenzene
    CAS Number:
    97-00-7
    Molecular formula:
    C6H3ClN2O4
    IUPAC Name:
    1-chloro-2,4-dinitrobenzene

    Composition(s) generated upon use

    Other types of composition(s)