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Tungstosilicic acid hydrate

Tungstosilicic acid hydrate chemical structure
CAS Number12027-43-9
FormulaH4[Si(W3O10)4] · xH2O
Mol. Weight2878.17 (anhydrous basis) g/mol

What is Tungstosilicic acid hydrate?

Tungstosilicic acid hydrate is a chemical compound with CAS number 12027-43-9 and molecular formula H4[Si(W3O10)4] · xH2O. It is used in various industrial and research applications.

Applications

Reactant for:
• Preparation of silicotungstate butylmethylimidazolium bromide ionic liquid hybrid material1
• Synthesis of SnII-substituted Keggin-type polyoxometalates as photocatalysts2
• Preparation of silicotungstic acid/organically modified silane proton-conducting membranes3
• Preparation of charge transfer compounds with Keggin anions4
• Preparation of catalyst for catalytic liquid-phase oxidation of xylene5

Specifications

Linear Formula

H4[Si(W3O10)4] · xH2O

Molecular Weight

2878.17 (anhydrous basis) g/mol

Safety Information

GHS07GHS07
Signal Word

Warning

Hazard Statements

H315-H319-H335

Precautionary Statements

P261-P305 + P351 + P338

Required PPE

dust mask type N95 (US), Eyeshields, Gloves

Anion Traces

chloride (Cl-): ≤200 mg/kg
sulfate (SO42-): ≤100 mg/kg

Cation Traces

Ca: ≤200 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤200 mg/kg
Na: ≤3000 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

EC Number

234-719-8

WGK Germany

3

Frequently Asked Questions