Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reference substances

Reference substances

Currently viewing:
IUPAC name:
tungsten disulphide

Inventory

EC number:
235-243-3
EC name:
Tungsten disulphide
CAS number:
12138-09-9
CAS number:
12138-09-9
Synonyms
Names:
Identifier:
IUPAC name
Bis(sulfanylidene)tungsten
Identifier:
IUPAC name
Dithioxotungsten
Identifier:
IUPAC name
tungsten(IV) disulfanediide
Identifier:
ChemSpider ID
74837
Identifier:
PubChem
82938
Identifier:
other:
Tungsten(IV) sulfide
Identifier:
other:
Tungstenite
Identifier:
other: Molecular formula
WS2
Dithioxotungsten (Systematic IUPAC name)

Molecular and structural information

Molecular formula:
S2W
Molecular weight:
247.97
SMILES notation:
1S/2S.W
InChl:
ITRNXVSDJBHYNJ-UHFFFAOYSA-N
Structural formula:
Chemical structure

Related substances