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Tungsten Trioxide

CAS NO.： 1314-35-8

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Product Detail

Properties

Tungsten trioxide

English Name: Tungsten trioxide

CAS No.: 1314-35-8

Molecular formula: O3W

Molecular weight: 231.838

EINECS No.: 215-231-4

Chemical properties: light yellow powder. Insoluble in water and General inorganic acids, soluble in hot lye, slightly soluble in hydrofluoric acid.

Application: used for making tungsten metal, alloy steel, fireproof fabric, etc., and used in ceramic industry

Properties

Used as raw material for making tungsten metal. Used for making hard alloy, tungsten wire, powder metallurgy, X-ray screen and fireproof fabric. It can also be used as colorant and analytical reagent of ceramic ware.

CAS No.

1314-35-8

Formula

O3W

Molecular Mass

231.83800

Exact Mass

231.93600

PSA

51.21000

Logp

-0.35640

IUPAC

trioxotungsten

Matter Classification

organic

Category

Melting Point

1470-1475 °C

Density

7.16 g/mL at 25 °C(lit.)

Boiling Point

1837°C (estimate)

Appearance

Light yellow powder. Insoluble in water and General inorganic acids, soluble in hot lye, slightly soluble in hydrofluoric acid.

HS Code

28259012

Export Formalities

4,x,y

UN No.

0.0

DG-Class

0.0

Risk Code

22-36/37/38

Safety Label

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Hunan, China

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Sales Manager

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Tungsten trioxide