Silicotungstic acid
[CAS# 12027-38-2]

Identification

• Classification: Chemical reagent >> Silane reagent
• Name: Silicotungstic acid
• Synonyms: Tungsten hydroxide oxide silicate
• Molecular Formula: W12(OH)_4O32(_SiO4)
• Molecular Weight: 2878.17
• CAS Registry Number: 12027-38-2
• EC Number: 234-719-8

Properties

• Density: 2.099 g/cm^3*

^* Sun, Chun-Yan; Journal of the American Chemical Society 2009, V131(5), P1883-1888.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Skin corrosion	Skin Corr.	1	H314
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Skin corrosion	Skin Corr.	1A	H314
Serious eye damage	Eye Dam.	1	H319