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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
EC Number:
205-142-9
EC Name:
4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
CAS Number:
134-47-4
Molecular formula:
C21H16N2O9S2
IUPAC Name:
4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)

Type of Substance

Composition:
mono-constituent substance
Origin:
organic

Substance Identifiers open all close all

  • 205-142-9
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    EC Number:
    205-142-9
    EC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    CAS Number:
    134-47-4
    Molecular formula:
    C21H16N2O9S2
    IUPAC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    EC Number:
    205-142-9
    EC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    CAS Number:
    134-47-4
    Molecular formula:
    C21H16N2O9S2
    IUPAC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    EC Number:
    205-142-9
    EC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)
    CAS Number:
    134-47-4
    Molecular formula:
    C21H16N2O9S2
    IUPAC Name:
    4,4'-dihydroxy-7,7'-ureylenedi(naphthalene-2-sulphonic acid)

    Composition(s) generated upon use

    Other types of composition(s)