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Phosphotungstic acid hydrate

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Phosphotungstic acid hydrate

EINECS 235-087-6
CAS No. 12501-23-4 Density g/cm3
PSA 711.32000 LogP -5.26970
Solubility soluble Melting Point ~95 °C(lit.)

Formula H2O . x H . x O40 P W12 Boiling Point °Cat760mmHg
Molecular Weight 2898.07 Flash Point °C
Transport Information UN 3260 Appearance Crystalline
Hazard Codes C
Risk Statements 34
Safety Statements 26-36/37/39-45-24/25
RIDADR UN 3260 8/PG 3
WGK Germany 3
RTECS TH5650000
Risk Codes R34   
Molecular Structure Molecular Structure of 12501-23-4 (Phosphotungstic acid hydrate) Hazard Symbols

Tungstate(3-),tetracosa-m-oxododecaoxo[m12-[phosphato(3-)-O:O:O:O':O':O':O'':O'':O'':O''':O''':O''']]dodeca-,trihydrogen, hydrate (9CI); Tungsten hydroxide oxide phosphate(W12(OH)3O33(PO4)), hydrate; Tungstophosphoric acid (H3PW12O40), hydrate (8CI);Phosphoric acid, tungsten complex; Hydrogen phosphotungstate hydrate(H3PW12O40.xH2O); Phosphotungstic acid (H3PW12O40) hydrate


Phosphotungstic acid hydrate Chemical Properties

Molecular Structure of Phosphotungstic acid hydrate (CAS No.12501-23-4):
Molecular Formula: H3PO4.12(WO3).H2O
Molecular Weight: 2898.07
CAS No: 12501-23-4
H bond acceptors: 41
H bond donors: 5
Freely Rotating Bonds: 0
Polar Surface Area: 678.32 Å2
IUPAC Name: Phosphoric acid; Trioxotungsten; hydrate 

Phosphotungstic acid hydrate Safety Profile

Hazard Symbols: CorrosiveC
Risk Codes: R34
R34:Causes burns.
Safety Description: S24/25
S24/25:Avoid contact with skin and eyes.
Transport Information: UN 3260

Phosphotungstic acid hydrate Specification

  Phosphotungstic acid hydrate (CAS No.12501-23-4), its synonyms are Tungstophosphoric acid hydrate ; Dodecatungstophosphoric acid hydrate .

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