Article No. 06055
Purity 98%
Molecular Formula Na2WO4.2H2O
H.S. Code 2841.8010
Grade Extra Pure
CAS No. 10213-10-2
Molecular Weight 329.86
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
Odour Odorless pH value 9 - 11.5 at 100 g/l at 20 °C
Melting point/ Freezing point [°C] 698 °C Density [g/cm3] 4.18
Solubility in water [% weight] 730 g/L (20°C)

Specifications

Appearance White Crystalline Powder Assay (precipitation titration) Min 98%
Free alkali (as NaOH) Max 0.025 meq/g Chloride (Cl) Max 0.01%
Sulphate (SO4) Max 0.02% Iron (Fe) Max 0.002%

Safety Information and Hazard Symbols

Exclamation Mark              

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H302
Precaution Statement: P264-P270-P301+P312-P501