CAS 1343-93-7 12-Wolframophosphoric acid (HCID 452313)

Substructure search Find similar structures

Basic information

CAS: 1343-93-7
Standard SMILES: O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.P.[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W].[W]
InChIKey: BCTWNMTZAXVEJL-UHFFFAOYSA-N
Molecular formula: H83O40PW12
Average molar mass: 2,960.7 g/mol
Monoisotopic mass: 2,961.83099849

Names & identifiers

Preferred name: 12-Wolframophosphoric acid
IUPAC: phosphane;tungsten;tetracontahydrate
English name: Phosphotungstic acid
Molecular formula: H.1/3O40PW12
Molecular weight: 2960.688781

Names & synonyms

12-Wolframophosphoric acid1343-93-712-tungstophosphoric acidUNII-5KAC2X78XMphosphane;tungsten;tetracontahydrateEINECS 215-682-7Tungstate(3-), tetracosa-mu-oxododecaoxo(mu12-(phosphato(3-)-kappaO:kappaO:kappaO:kappaO':kappaO':kappaO':kappaO'':kappaO'':kappaO'':kappaO''':kappaO''':kappaO'''))dodeca-, trihydrogenTungstate(3-), tetracosa-mu-oxododecaoxo(mu12-(phosphato(3-)-kappaO:kappaO:kappaO:kappaO':kappaO':kappaO':kappaO'':kappaO'':kappaO'':kappaO''':kappaO''':kappaO'''))dodeca-, hydrogen (1:3)Tungstate(3-), tetracosa-mu-oxododecaoxo(mu12-(phosphato(3-)-O:O:O:O':O':O':O'':O'':O'':O''':O''':O'''))dodeca-, trihydrogenSCHEMBL21001003DTXSID00928558Phosphane--tungsten--water (1/12/40)

Show more names

PHOSPHOTUNGSTIC ACIDETHANOL ABSOLUTE PH. EUR.DUTY PAIDNONIDET P-40 SUBSTITUTE PROTEOMICS GRADETungstate(3-), tetracosa-μ-oxododecaoxo[ μ12-[phosphato(3-)-O:O:O:O':O':O':O'':O'':O'':O''':O''':O''' ]]dodeca-, trihydrogen

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

Properties

Computed structural properties

Topological polar surface area: 40 Å²
Hydrogen bond donors: 40
Hydrogen bond acceptors: 40
Rotatable bonds: 0
Heavy atoms: 53
Formal charge: 0
Complexity: 0

Physicochemical properties

Density: 1.681 g/cm3 · 1.681 g/cm3
FDA UNII: 5 KAC2X78XM · 5KAC2X78XM
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)
Symbol(GHS): 5 · GHS05
Signal word: Danger
Hazard statements: 314 · H314
Precautionary statements: 260 · P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501
TSCA: TSCA listed

Safety & regulation

GHS classification

GHS Classification · 4 items

Danger

H314 (93.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P264+P265, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 33 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Hazard Classes and CategoriesSkin Corr. 1C (93.9%)

Safety data

tsca: TSCA listed
Signal word: Danger
Symbol(GHS): GHS05
Hazard statements: H314
Precautionary statements: P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P321-P305+P351+P338-P405-P501

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationTungstate(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-, hydrogen (1:3): ACTIVE

Applications · 2 items

DescriptionPhosphotungstic 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.

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