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12067-99-1

Name Phosphotungstic acid 44-hydrate
CAS 12067-99-1
EINECS(EC#) 235-087-6
Molecular Formula H6O80P2W24
MDL Number MFCD00041964
Molecular Weight 5760.11
MOL File 12067-99-1.mol
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Chemical Properties

Appearance white to pale yellow crystalline powder
Melting point  89℃ [HAW93]
RTECS  TH5650000
storage temp.  Refrigerator (+4°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 Data

Hazard Codes  C
Risk Statements 
Safety Statements 
RIDADR  UN 3264 8/PG 2
WGK Germany  3
TSCA  Yes
HazardClass  5.1
PackingGroup  III
HS Code  28112900
Safety Profile
Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of POx.
Toxicity
rat,LD50,oral,3300mg/kg (3300mg/kg),Toxicology and Applied Pharmacology. Vol. 42, Pg. 417, 1977.

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