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CAS 1314-35-8

CAS 1314-35-8 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 1314-35-8

CAS 1314-35-8PubChem CID 14811

Tungsten oxide (WO3)

IUPAC name: trioxotungsten

Molecular formula: O3W
Molecular weight: 231.84 g/mol
Exact mass: 231.935677 Da
Topological polar surface area: 51.2 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

TUNGSTEN TRIOXIDETungstic anhydrideTungstic oxideTungsten BlueTungstic acid anhydrideWolframic acid, anhydrideCI 77901C.I. 77901

16 more reported names

940E10M08MRefChem:1100596215-231-4Tungsten(VI) oxidetungsten(6+) oxidetungsten(vi) trioxideWO3Tungsten (VI) oxideHSDB 5800EINECS 215-231-4UNII-940E10M08MTris(oxido)tungstenWO3 cpdTungsten Oxide nanowireTungsten Dioxide NanowiresEC 215-231-4

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External database identifiers

EPA DTXSID:DTXSID7032262

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 1314-35-8

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How CAS 1314-35-8 is used on this site

CAS 1314-35-8 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 1314-35-8 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.