SILICOTUNGSTIC ACID 99.5% AR

Tungstosilicic acid hydrate

Product Code B-02313 Molecular Formula
Grade CAS No 12027-43-9
BRAND Bio-Chem Molecular Weight 2880.17
H.S.Code 2811.19900 Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Slight yellow
Melting point/ Freezing point [°C 25°C Solubility in water [% weight] Soluble in water
Odour Odorless pH value Acidic
Density [g/cm3] 4.5

Packaging

Bio-Fine

Specification

Appearance
Slightly yellow colored powder
Assay
Min 99%
Chloride (Cl)
Max 0.001%
Sulphate (SO4)
Max 0.005%
Total nitrogen (N)
Max 0.002%
Heavy metal (as Pb)
Max 0.002%
Iron (Fe)
Max 0.001%
Sodium (Na)
Max 0.02%
Potassium (K)
Max 0.02%
Loss on ignition (at 750°C)
Max 16.0%

Safety Information and Hazard Symbols

Hazard Symbols

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

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