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Phosphotungstic acid 44-hydrate

Basic information Safety Supplier Related

Phosphotungstic acid 44-hydrate Basic information

Product Name:
Phosphotungstic acid 44-hydrate
Synonyms:
  • tungstenhydroxideoxide
  • tungstenhydroxideoxidephosphate
  • PHOSPHOTUNGSTIC ACID
  • SIWA 12-PWA
  • Dodeca-Tungstophosphoric acid
  • Phosphotungstic acid 44-hydrate
  • PTA
  • Phosphotungstic acid solution
CAS:
12067-99-1
MF:
H6O80P2W24
MW:
5760.11
EINECS:
235-087-6
Product Categories:
  • UVCBs-inorganic
  • Pharmaceutical intermediates
  • Hematology and Histology
  • Histology Special Stains
  • bc0001
Mol File:
12067-99-1.mol
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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)
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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

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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 Preparation Products And Raw materials

Raw materials

Preparation Products

Phosphotungstic acid 44-hydrateSupplier

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