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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
4,4'-diaminostilbene-2,2'-disulphonic acid
EC Number:
201-325-2
EC Name:
4,4'-diaminostilbene-2,2'-disulphonic acid
CAS Number:
81-11-8
Molecular formula:
C14H14N2O6S2
IUPAC Name:
2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • DAS FREE ACID DRY
  • DSD ACID
  • Flavonic acid
  • Compositions

    Boundary Composition(s) open all close all



    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    EC Number:
    201-325-2
    EC Name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    CAS Number:
    81-11-8
    Molecular formula:
    C14H14N2O6S2
    IUPAC Name:
    2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    EC Number:
    201-325-2
    EC Name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    CAS Number:
    81-11-8
    Molecular formula:
    C14H14N2O6S2
    IUPAC Name:
    2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    EC Number:
    201-325-2
    EC Name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    CAS Number:
    81-11-8
    Molecular formula:
    C14H14N2O6S2
    IUPAC Name:
    2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    EC Number:
    201-325-2
    EC Name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    CAS Number:
    81-11-8
    Molecular formula:
    C14H14N2O6S2
    IUPAC Name:
    2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    EC Number:
    201-325-2
    EC Name:
    4,4'-diaminostilbene-2,2'-disulphonic acid
    CAS Number:
    81-11-8
    Molecular formula:
    C14H14N2O6S2
    IUPAC Name:
    2,2'-ethene-1,2-diylbis(5-aminobenzenesulfonic acid)

    Composition(s) generated upon use

    Other types of composition(s)