Phosphotungstic acid 44-hydrate Chemical Properties

Melting point:

89℃ [HAW93]

RTECS 

TH5650000

storage temp. 

Inert atmosphere,2-8°C

solubility 

very soluble in H2O; soluble in ethanol, ethyl ether

form 

Powder

color 

White to pale yellow

Water Solubility 

practical insoluble

Merck 

14,7364

Exposure limits

ACGIH: TWA 3 mg/m3

EPA Substance Registry System

Tungsten hydroxide oxide phosphate (12067-99-1)

Safety Information

Hazard Codes 

C

Risk Statements 

34

Safety Statements 

26-36/37/39-45-24/25

RIDADR 

UN 3264 8/PG 2

WGK Germany 

3

TSCA 

Yes

HazardClass 

5.1

PackingGroup 

III

HS Code 

28112900

Toxicity

rat,LD50,oral,3300mg/kg (3300mg/kg),Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.

MSDS

• Language:English Provider:Dodeca-Tungstophosphoric acid
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Phosphotungstic acid 44-hydrate Usage And Synthesis

Chemical Properties

white to pale yellow crystalline powder

Uses

As reagent for alkaloids and many other nitrogen bases, for phenols, albumin, peptone, amino acids, uric acid, urea, blood, carbohydrates; as biological stain.

Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of POx.

Phosphotungstic acid 44-hydrate(12067-99-1)Related Product Information

• Hyaluronic acid
• Stearic acid
• Citric acid
• POTASSIUM TUNGSTATE
• Ammonium paratungstate
• Ethyl 2-(Chlorosulfonyl)acetate
• Chloral hydrate
• SILICOTUNGSTIC ACID HYDRATE
• Calcium tungstate
• Folic acid
• Ascoric Acid
• METHYL ISOCYANOACETATE
• Benzyl isocyanide
• Phosphotungstic acid hydrate
• Ethyl isocyanoacetate
• 1,1,3,3-TETRAMETHYLBUTYL ISOCYANIDE
• N-BUTYLISOCYANIDE
• TERT-BUTYL ISOCYANIDE