Sodium tungstate

Molecular formula:
Na2WO4•2H2O 
Molecular weight: 329.86 
Quality standard: Content ≥ 99.5%; 98.5% 
Uses: used for producing tungsten; as catalyst, mordant, pigment and analytical reagent and fabric weighting agent in textile industry; for producing fire retardant and water-proof fabrics. 
Packing: pail, paper board pail or clad bag(plastics bag lining inside), net weight 50kg.per unit.