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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Tungsten trioxide
EC Number:
215-231-4
EC Name:
Tungsten trioxide
CAS Number:
1314-35-8
Molecular formula:
O3W
IUPAC Name:
trioxotungsten

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • TYO
  • Tungsten Yellow Oxide
  • Tungsten Yellow Oxide
  • WO3
  • Wolfram(VI)oxid
  • YTO
  • Yellow Tungsten Oxide
  • Yellow Tungsten Trioxide
  • TUNGSTEN TRIOXIDE
  • TYO
  • The substance is placed on the market as a part of the chemical matrix of an inorganic catalyst (i.e. regarded as a mixture according to: Guidance for Identification and Naming of Substance under REACH and CLP, Feb 2014. Therefore trade name for the substance does not exist.
  • The substance is placed on the market as a part of the chemical matrix of an inorganic catalyst (i.e. regarded as a mixture according to: Guidance for Identification and Naming of Substance under REACH and CLP, Feb 2014. Therefore trade name for the substance does not exist.
  • Tungsten Trioxide
  • Tungsten Yellow Oxide
  • Tungsten trioxide
  • Tungsten yellow oxide
  • YTO
  • Yellow Tungsten Oxide
  • Yellow tungsten oxide
  • Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    other: solid catalyst component


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten
    State Form:
    solid: bulk


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten trioxide
    EC Number:
    215-231-4
    EC Name:
    Tungsten trioxide
    CAS Number:
    1314-35-8
    Molecular formula:
    O3W
    IUPAC Name:
    trioxotungsten

    Composition(s) generated upon use

    Other types of composition(s)