ChemicalBook--->CAS DataBase List--->1343-93-7

1343-93-7

1343-93-7 Structure

1343-93-7 Structure
IdentificationBack Directory
[Name]

12-wolframophosphoric acid
[CAS]

1343-93-7
[Synonyms]

12-wolframophosphoric acid
ETHANOL ABSOLUTE PH. EUR.DUTY PAID
NONIDET P-40 SUBSTITUTE PROTEOMICS GRADE
Tungstate(3-), tetracosa-μ-oxododecaoxo[ μ12-[phosphato(3-)-O:O:O:O':O':O':O'':O'':O'':O''':O''':O''' ]]dodeca-, trihydrogen
[EINECS(EC#)]

215-682-7
[Molecular Formula]

H.1/3O40PW12
[MOL File]

1343-93-7.mol
[Molecular Weight]

2960.69
Chemical PropertiesBack Directory
[density ]

1.681 g/cm3
[EPA Substance Registry System]

Tungstate(3-), tetracosa-.mu.-oxododecaoxo[.mu.12-[phosphato(3-)-.kappa.O:.kappa.O:.kappa.O:.kappa.O':.kappa.O':.kappa.O':.kappa.O'':.kappa.O'':.kappa.O'':.kappa.O''':.kappa.O''':.kappa.O''']]dodeca-, trihydrogen (1343-93-7)
Safety DataBack Directory
[TSCA ]

TSCA listed
Hazard InformationBack Directory
[Description]

Phosphotungstic acid is a white, crystalline solid classified as a phosphotungstate compound. Its reaction mechanism involves the formation of an acid complex through protonation by water. This can be represented by the equation: PW6O14(OH)2 + H2O → PW6O14(OH)3H+ + OH-. The resulting solution is highly acidic, typically having a pH of 2 or lower. 
[Uses]

Phosphotungstic acid (H3PW12O40) was used as an efficient and recyclable catalyst for the synthesis of polysubstituted quinolines through the Friedl?nder condensation of 2-aminoarylketone with carbonyl compounds, which was achieved by conventional heating under solvent-free conditions.[1]
[References]

[1] Minoo Dabiri,  Sahareh Bashiribod. “Phosphotungstic acid: an efficient, cost-effective and recyclable catalyst for the synthesis of polysubstituted quinolines.” Molecules 14 3 (2009): 1126–44.
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