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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 sulphite
EC Number:
231-821-4
EC Name:
Sodium sulphite
CAS Number:
7757-83-7
Molecular formula:
NA2SO3
IUPAC Name:
disodium sulfate

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • 231-821-4
  • 7757-83-7
  • Anhydrous sodium sulfite
  • Disodium sulfite
  • Disodium sulfite (Na2SO3)
  • Natriumsulfit
  • Sodium sulfite
  • Sodium sulfite (Na2SO3)
  • Sodium sulfite anhydrous
  • Sodium sulphite
  • Sulfurous acid, disodium salt (8CI, 9CI)
  • disodium sulfite
  • disodium sulfite
  • siarczyn sodu
  • disodium sulfite
    (No other type specified)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate

    Legal Entity Composition(s) open all close all

    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate


    Constituent 1
    Chemical structure
    Reference substance name:
    Sodium sulphite
    EC Number:
    231-821-4
    EC Name:
    Sodium sulphite
    CAS Number:
    7757-83-7
    Molecular formula:
    NA2SO3
    IUPAC Name:
    disodium sulfate

    Composition(s) generated upon use

    Other types of composition(s)