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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
EC Number:
226-109-5
EC Name:
Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
CAS Number:
5281-04-9
Molecular formula:
C18H14N2O6S.Ca
IUPAC Name:
calcium 3-hydroxy-4-[(1E)-2-(4-methyl-2-sulfonatophenyl)diazen-1-yl]naphthalene-2-carboxylate

Type of Substance

Composition:
UVCB
Origin:
organic

Substance Identifiers open all close all

  • Neelicert D & C Red 7Lavanya IndicaLithol RubinNeelicet D & C Red 7 Ca LakeLavanya ElegansPIGMENT RED 57:1
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
    EC Number:
    226-109-5
    EC Name:
    Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
    CAS Number:
    5281-04-9
    Molecular formula:
    C18H14N2O6S.Ca
    IUPAC Name:
    calcium 3-hydroxy-4-[(1E)-2-(4-methyl-2-sulfonatophenyl)diazen-1-yl]naphthalene-2-carboxylate
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    sodium sulphate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    NaCl
    IUPAC Name:
    Sodium chloride
    Constituent 4
    Reference substance name:
    Rosin
    EC Number:
    232-475-7
    EC Name:
    Rosin
    CAS Number:
    8050-09-7
    Molecular formula:
    Unspecified.
    IUPAC Name:
    Rosin
    Constituent 5
    Chemical structure
    Reference substance name:
    p-toluidine
    EC Number:
    203-403-1
    EC Name:
    p-toluidine
    CAS Number:
    106-49-0
    Molecular formula:
    C7H9N
    IUPAC Name:
    4-aminotoluene
    Constituent 6
    Chemical structure
    Reference substance name:
    4-aminotoluene-3-sulphonic acid
    EC Number:
    201-831-3
    EC Name:
    4-aminotoluene-3-sulphonic acid
    CAS Number:
    88-44-8
    Molecular formula:
    C7H9NO3S
    IUPAC Name:
    2-amino-5-methylbenzene sulfonic acid
    Constituent 7
    Chemical structure
    Reference substance name:
    3-hydroxy-2-naphthoic acid
    EC Number:
    202-180-8
    EC Name:
    3-hydroxy-2-naphthoic acid
    CAS Number:
    92-70-6
    Molecular formula:
    C11H8O3
    IUPAC Name:
    3-hydroxy-2-naphthoic acid

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
    EC Number:
    226-109-5
    EC Name:
    Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate
    CAS Number:
    5281-04-9
    Molecular formula:
    C18H14N2O6S.Ca
    IUPAC Name:
    calcium 3-hydroxy-4-[(1E)-2-(4-methyl-2-sulfonatophenyl)diazen-1-yl]naphthalene-2-carboxylate
    Constituent 2
    Chemical structure
    Reference substance name:
    Sodium sulphate
    EC Number:
    231-820-9
    EC Name:
    Sodium sulphate
    CAS Number:
    7757-82-6
    Molecular formula:
    H2O4S.2Na
    IUPAC Name:
    sodium sulphate
    Constituent 3
    Chemical structure
    Reference substance name:
    Sodium chloride
    EC Number:
    231-598-3
    EC Name:
    Sodium chloride
    CAS Number:
    7647-14-5
    Molecular formula:
    NaCl
    IUPAC Name:
    Sodium chloride
    Constituent 4
    Reference substance name:
    Rosin
    EC Number:
    232-475-7
    EC Name:
    Rosin
    CAS Number:
    8050-09-7
    Molecular formula:
    Unspecified.
    IUPAC Name:
    Rosin
    Constituent 5
    Chemical structure
    Reference substance name:
    p-toluidine
    EC Number:
    203-403-1
    EC Name:
    p-toluidine
    CAS Number:
    106-49-0
    Molecular formula:
    C7H9N
    IUPAC Name:
    4-aminotoluene
    Constituent 6
    Chemical structure
    Reference substance name:
    4-aminotoluene-3-sulphonic acid
    EC Number:
    201-831-3
    EC Name:
    4-aminotoluene-3-sulphonic acid
    CAS Number:
    88-44-8
    Molecular formula:
    C7H9NO3S
    IUPAC Name:
    2-amino-5-methylbenzene sulfonic acid
    Constituent 7
    Chemical structure
    Reference substance name:
    3-hydroxy-2-naphthoic acid
    EC Number:
    202-180-8
    EC Name:
    3-hydroxy-2-naphthoic acid
    CAS Number:
    92-70-6
    Molecular formula:
    C11H8O3
    IUPAC Name:
    3-hydroxy-2-naphthoic acid

    Composition(s) generated upon use

    Other types of composition(s)