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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 dithionite
EC Number:
231-890-0
EC Name:
Sodium dithionite
CAS Number:
7775-14-6
Molecular formula:
H2O4S2.2Na
IUPAC Name:
disodium dithionite

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Albite A
  • Albite AF
  • Albite B
  • Albite D
  • Albite DE
  • Albite E
  • Albite EB
  • Albite EF
  • Albite LA
  • Albite LEF
  • Albite PB
  • Albite PC
  • Albite PM
  • Disodium dithionite
  • Disodium hydrosulfite
  • Dithionous acid, disodium salt (8CI, 9CI)
  • Hydrosulfit E (PRD 30496991)
  • Hydrosulfit F (PRD 30497001)
  • Hydrosulfit Konz. BASF (PRD 30048423)
  • Hydrosulfit P
  • Natriumdithionit
  • Sodium dithionite
  • Sodium dithionite (Na2(S2O4))
  • Sodium dithionite (Na2S2O4)
  • Sodium hydrosulfite
  • Sodium hydrosulfite (Na2S2O4)
  • Sodium hyposulfite
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    Degree of purity:
    > 88 - <= 92 % (w/w)


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    Impurity 1
    Chemical structure
    Reference substance name:
    Disodium disulphite
    EC Number:
    231-673-0
    EC Name:
    Disodium disulphite
    CAS Number:
    7681-57-4
    Molecular formula:
    Na2S2O5
    IUPAC Name:
    disodium disulphite


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium dithionite
    EC Number:
    231-890-0
    EC Name:
    Sodium dithionite
    CAS Number:
    7775-14-6
    Molecular formula:
    H2O4S2.2Na
    IUPAC Name:
    disodium dithionite

    Composition(s) generated upon use

    Other types of composition(s)