Ammonium paratungstate Chemical Properties

Melting point:

3410 °C(lit.)

Boiling point:

5660 °C(lit.)

Density 

2.3 g/mL at 25 °C(lit.)

vapor pressure 

0Pa at 25℃

solubility 

soluble in H2O; insoluble in ethanol

form 

wire

color 

White

Water Solubility 

Soluble in water. Insoluble in alcohol

Merck 

13,567

Exposure limits

ACGIH: TWA 3 mg/m3
NIOSH: TWA 1 mg/m3; STEL 3 mg/m3

InChIKey

WFKWXMTUELFFGS-UHFFFAOYSA-N

CAS DataBase Reference

11120-25-5(CAS DataBase Reference)

EPA Substance Registry System

Tungstate (W12(OH)2O4010-), decaammonium (11120-25-5)

Safety Information

Hazard Codes 

F,Xi

Risk Statements 

11-36/38-36/37/38

Safety Statements 

6-26-36

RIDADR 

UN 3089 4.1/PG 2

WGK Germany 

-

RTECS 

YO7175000

TSCA 

Yes

HazardClass 

8

PackingGroup 

III

HS Code 

28418010

MSDS

• Language:English Provider:Ammonium tungstate
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

Ammonium paratungstate Usage And Synthesis

Chemical Properties

White crystals. Soluble in water; insoluble in alcohol.

Uses

Ammonium tungsten oxide hydrate is used in production of tungsten alloys. It is used, refluxing the ammonia solution is advisable to speed up the dissolution of the oxide.

Uses

manufacture of tungsten alloys.

Flammability and Explosibility

Not classified

Purification Methods

It crystallises from warm water on adding EtOH and cooling.

Ammonium paratungstate(11120-25-5)Related Product Information

• Ammonium sulfate
• Molybdic acid
• Ammonium acetate
• Ammonium chloride
• Ammonium citrate tribasic
• Ammonium hydroxide
• TUNGSTEN(VI) CHLORIDE
• Sodium tungstate dihydrate
• AMMONIUM METATUNGSTATE
• sec-Butyl chloroformate
• DL-2-Octanol
• 2-Butanol
• 2-Octanone
• sec-Butyl disulfide
• 2-Pentanol
• SEC-BUTYL METHYL ETHER
• SEC-BUTYL ETHYL ETHER
• DIETHYL SEC-BUTYLMALONATE