Silicotungstic acid hydrate Structure

Silicotungstic acid hydrate

Chemical Properties

Melting point >300 °C
Boiling point 210-220 °C(Press: 1-2 Torr)
Density  2.099 g/cm3
vapor pressure  0.024Pa at 25℃
storage temp.  Room Temperature, under inert atmosphere
solubility  H2O: 0.1 g/mL, clear, colorless
form  Solid
color  White to Off-White
Water Solubility  3015.09g/L at 20℃
Hydrolytic Sensitivity 0: forms stable aqueous solutions
FDA UNII HC56ET3NXY
EPA Substance Registry System Tungstate(4-), [.mu.12-[orthosilicato(4-)-.kappa.O:.kappa.O:.kappa.O:.kappa.O':.kappa.O':.kappa.O':.kappa.O'':.kappa.O'':.kappa.O'':.kappa.O''':.kappa.O''':.kappa.O''']]tetracosa-.mu.-oxododecaoxododeca-, tetrahydrogen (12027-38-2)

Safety

Symbol(GHS) Corrosion (GHS05)
Signal wordDanger
Hazard statements H319-H290
Precautionary statements P264-P280-P305+P351+P338-P337+P313P-P234-P390-P404
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
F  3-10
TSCA  TSCA listed

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