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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 disulphide
EC Number:
235-243-3
EC Name:
Tungsten disulphide
CAS Number:
12138-09-9
Molecular formula:
S2W
IUPAC Name:
tungsten disulphide

Type of Substance

Composition:
mono-constituent substance
Origin:
inorganic

Substance Identifiers open all close all

  • Tungsten (IV) sulphide
  • Tungsten(IV) sulphide
  • Tungstenite
  • WS2
  • tungsten disulphide
  • Bis(sulfanylidene)tungsten
    (No other type specified)
    Tungsten(IV) sulfide
    (No other type specified)

    Compositions

    Boundary Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide

    Legal Entity Composition(s) open all close all

    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    State Form:
    solid: particulate/powder


    Constituent 1
    Chemical structure
    Reference substance name:
    Tungsten disulphide
    EC Number:
    235-243-3
    EC Name:
    Tungsten disulphide
    CAS Number:
    12138-09-9
    Molecular formula:
    S2W
    IUPAC Name:
    tungsten disulphide
    Constituent 2
    Chemical structure
    Reference substance name:
    Aluminium oxide
    EC Number:
    215-691-6
    EC Name:
    Aluminium oxide
    CAS Number:
    1344-28-1
    Molecular formula:
    Al2O3
    IUPAC Name:
    Aluminium(III)oxide
    Constituent 3
    Chemical structure
    Reference substance name:
    Silicon dioxide
    EC Number:
    231-545-4
    EC Name:
    Silicon dioxide
    CAS Number:
    7631-86-9
    Molecular formula:
    O2Si
    IUPAC Name:
    dioxosilane
    Constituent 4
    Chemical structure
    Reference substance name:
    Trinickel disulphide
    EC Number:
    234-829-6
    EC Name:
    Trinickel disulphide
    CAS Number:
    12035-72-2
    Molecular formula:
    Ni3S2
    IUPAC Name:
    trinickel-1-ylidene-1λ-disulfene

    Composition(s) generated upon use

    Other types of composition(s)