CAS 12037-57-9 Oxotungsten (HCID 139486)

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Basic information

CAS: 12037-57-9
Standard SMILES: [O]=[W]
InChIKey: VVRQVWSVLMGPRN-UHFFFAOYSA-N
Molecular formula: OW
Average molar mass: 199.84 g/mol

Names & identifiers

Preferred name: Oxotungsten
IUPAC: oxotungsten
English name: Tungsten(IV) oxide
Molecular formula: H2OW
Molecular weight: 201.86

Names & synonyms

SCHEMBL2247AKOS024256366Tungsten oxide (W10O29)Tungsten(IV) oxide (99.9+%-W) (WO2.9 Blue Sub-oxide)

Database identifiers

CAS: 12037-57-9、12037-58-0、12608-26-3、39318-18-8
PubChem CID: 139486

Properties

Computed structural properties

Topological polar surface area: 17.1 Å²
Hydrogen bond donors: 0
Hydrogen bond acceptors: 1
Rotatable bonds: 0
Heavy atoms: 2
Formal charge: 0
Complexity: 2

Physicochemical properties

Melting point: 1500 · 1500-1600°
Density: 7.16 · 7.16
form: Powder
color: blue
Water Solubility: Soluble in hot alkalis. Insoluble in water and acids.

Chemistry & industry

Applications · 1 item

UsesTungsten oxide is used as a pigment in ceramics and paints. It is used in various types of infrared absorbing coatings and foils. It is involved in the production of electrochromic windows, which is an electrically switchable glass that change light transmission properties with an applied voltage. It is a unique material utilized for various applications due their chromism, photocatalysis, and sensing capabilities.