Tungsten(VI) oxide

Name: Tungsten(VI) oxide
Brand: Jinan Shenghe Chemical Co., Ltd.
SKU: 29425

CAS 1314-35-8O3WMW 231.84

Tungsten(VI) oxide (CAS 1314-35-8) — formula O3W, molecular weight 231.84; category inorganic chemicals.

Specifications

CAS Number1314-35-8

Molecular FormulaO3W

Molecular Weight231.84

Melting Point1472 °C

CategoryInorganic Chemicals

Purchase Profile

What this product is

Tungsten(VI) oxide is an inorganic compound with CAS registry number 1314-35-8 and molecular formula O3W (molecular weight 231.84), belonging to the inorganic chemicals segment of chemical raw materials.

Identification

CAS number: 1314-35-8

Its molecular formula O3W comprises 3 O, 1 W atoms.

Also known as: Tungsten(VI) oxide

Category: inorganic chemicals

Frequently Asked Questions

What is the CAS number of Tungsten(VI) oxide?

The CAS registry number of Tungsten(VI) oxide is 1314-35-8.

What is the molecular formula and molecular weight of Tungsten(VI) oxide?

Molecular formula O3W, molecular weight 231.84.

What other names is Tungsten(VI) oxide known by?

It is also registered under: Tungsten(VI) oxide.

Which category does Tungsten(VI) oxide belong to?

Category: Inorganic Chemicals.

PubChem Public Data

Public-database records for Tungsten(VI) oxide (CAS 1314-35-8), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS notification summary	41.5% (333 / 803)
Reported hazard statements	H302 (58.5%), H315 (57.3%), H319 (57.3%), H335 (57.3%)

This chemical does not meet GHS hazard criteria for 41.5% (333 of 803) of reports.

H302 (58.5%): Harmful if swallowed [Warning Acute toxicity, oral]

Regulatory listings

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS TUNGSTEN OXIDE
GHS notification summary	41.5% (333 / 803)

Physical description and handling notes

Other Solid; Dry Powder; CBI; Large Crystals
Canary yellow solid; [Merck Index] Blue or brown odorless powder; [MSDSonline] Insoluble in water; [Hawley]
Canary yellow, heavy powder; dark orange when heated, regaining the original color on cooling
Yellow, rhombic crystals, or yellow-orange powder
Insol in water; sol in caustic alkalies; very slightly sol in acids
SLIGHTLY SOL IN HYDROFLUORIC ACID

Reported physical properties

熔点	1472 °C
熔点	1473 °C
密度	7.2
密度	7.2 @25 °C

How this substance is indexed

CAS Registry Number	1314-35-8
PubChem CID	14811
分子式	O3W
IUPAC 名称	trioxotungsten
UNII（FDA）	940E10M08M

Documented uses

Used to make tungstates (used for x-ray screens and fireproofing fabrics), alloys, and yellow pigment in ceramics; [HSDB] Used as a catalyst for synthesis of organometallic compounds; [Ullmann]
Metal Preparation and Pouring [Category: Foundry]
Ceramics making [Category: Hobbies]
Mfr of tungstates which are used for x-ray screens and for fireproofing fabrics.
To form metal by reduction; alloys; yellow pigment in ceramics
Not Known or Reasonably Ascertainable

Names this substance appears under

TUNGSTEN TRIOXIDE; 1314-35-8; Tungsten oxide (WO3); Tungstic anhydride; Tungstic oxide; Tungsten Blue; Tungstic acid anhydride; Wolframic acid, anhydride; CI 77901; C.I. 77901; DTXSID7032262; 940E10M08M; RefChem:1100596; 215-231-4; DTXCID5012262; Tungsten(VI) oxide

Computed molecular descriptors

分子量	231.84
氢键供体数	0
氢键受体数	3
可旋转键数	0
精确质量	231.935677
单同位素质量	231.935677
拓扑极性表面积	51.2
重原子数	4
形式电荷	0
复杂度	61.8

Database abstract

Tungsten(VI) oxide · CAS 1314-35-8 · O3W. UNII 940E10M08M. 熔点: 1472 °C; 熔点: 1473 °C; 密度: 7.2.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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