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Phosphotungstic acid 44-hydrate

Phosphotungstic acid 44-hydrate Structure
CAS No.
12067-99-1
Chemical Name:
Phosphotungstic acid 44-hydrate
Synonyms
PTA;PHOSPHOTUNGSTIC ACID;FXI;Pisa grass;SIWA 12-PWA;Phosphotung;phosphotungstic;stic acid 44-hydrate;Coagulation factor XI;tungstenhydroxideoxide
CBNumber:
CB6704098
Molecular Formula:
H6O80P2W24
Molecular Weight:
5760.11
MOL File:
12067-99-1.mol
MSDS File:
SDS
Modify Date:
2024/8/2 15:22:07

Phosphotungstic acid 44-hydrate 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

Risk and Safety Statements

Symbol(GHS) 
GHS05
Signal word  Danger
Hazard statements  H314-H412
Precautionary statements  P273-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
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.
NFPA 704
0
3 0

Phosphotungstic acid 44-hydrate Chemical Properties,Uses,Production

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

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tungstenhydroxideoxide tungstenhydroxideoxidephosphate SIWA 12-PWA Dodeca-Tungstophosphoric acid Phosphotungstic acid 44-hydrate Phosphotungstic acid solution Tungsten hydrogen oxide phosphate Phosphotungstic Acid TS, (U.S.P. Test Solution) Phosphotungstic acid hydrate, 44-H2O Anti-KLKB1 (heavy chain, Cleaved-Arg390) antibody produced in rabbit Coagulation factor XI Plasma thromboplastin antecedent phosphotungstic Pisa grass Phosphotungstic acid hydrate, 44-Hydrate phosphato-tungstic acid PHOSPHOTUNGSTIC ACID NHYD XTL Phosphotungstic acid test solution(ChP) PHOSPHOTUNGSTIC ACID, REAGENTPHOSPHOTUNGSTIC ACID, REAGENTPHOSPHOTUNGSTIC ACID, REAGENT Phosphotung stic acid 44-hydrate Phosphotungstic acid 44-hydrate ISO 9001:2015 REACH PHOSPHOTUNGSTIC ACID PTA FXI Phosphotungstic acid hydrate,97% 12067-99-1 P2O524WO344H2O P2O524WO3xH2O O77P2W24 UVCBs-inorganic Pharmaceutical intermediates Hematology and Histology Histology Special Stains bc0001