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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
EC Number:
226-736-4
EC Name:
Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
CAS Number:
5460-09-3
Molecular formula:
C10H9NO7S2.Na
IUPAC Name:
sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulfonate

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-, monosodium salt (8CI, 9CI)
  • Ash acid
  • H acid monosodium salt
  • Compositions

    Boundary Composition(s)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
    EC Number:
    226-736-4
    EC Name:
    Sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulphonate
    CAS Number:
    5460-09-3
    Molecular formula:
    C10H9NO7S2.Na
    IUPAC Name:
    sodium hydrogen 4-amino-5-hydroxynaphthalene-2,7-disulfonate

    Composition(s) generated upon use

    Other types of composition(s)