Tungstosilicic acid hydrate_Molecular_structure_CAS_12027-43-9)

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Tungstosilicic acid hydrate
Catalog No.	95395	Name	Sigma Aldrich
CAS Number	12027-43-9	Website	http://www.sigmaaldrich.com
M. F.	H6O41SiW12	Telephone	1-800-521-8956
M. W.	2896.18854	Fax
Purity		Email
Storage		Chembase ID: 145933

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SYNONYMS

Title

钨硅酸水合物

IUPAC name

tetrakis(hexaoxocyclotritungstoxane) silicic acid hydrate

IUPAC Traditional name

silicic acid tetrakis(tungsten oxide) hydrate

Synonyms

硅钨酸

Silicotungstic acid

DATABASE IDS

MDL Number	MFCD00150392
CAS Number	12027-43-9
PubChem SID	24890150

PROPERTIES

Antion Traces	chloride (Cl-): ≤200 mg/kg
Antion Traces	sulfate (SO42-): ≤100 mg/kg
Cation Traces	Ca: ≤200 mg/kg
Cation Traces	Cd: ≤50 mg/kg
Cation Traces	Co: ≤50 mg/kg
Cation Traces	Cu: ≤50 mg/kg
Cation Traces	Fe: ≤50 mg/kg
Cation Traces	K: ≤200 mg/kg
Cation Traces	Na: ≤3000 mg/kg
Cation Traces	Ni: ≤50 mg/kg
Cation Traces	Pb: ≤50 mg/kg
Cation Traces	Zn: ≤50 mg/kg
Grade	purum p.a.
Linear Formula	H4[Si(W3O10)4] · xH2O
Loss on Drying	≤20% loss on ignition
GHS Pictograms
GHS Signal Word	Warning
GHS Hazard statements	H315-H319-H335
European Hazard Symbols	Irritant (Xi)
MSDS Link	Download
Personal Protective Equipment	dust mask type N95 (US), Eyeshields, Gloves
GHS Precautionary statements	P261-P305 + P351 + P338
Risk Statements	36/37/38
Safety Statements	26-36
German water hazard class	3

DETAILS

Description (English)

Application
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

Description (简体中文)