11120-25-5

（Under different crystallization conditions can have the following formulas）

(1)3(NH4)2O-7WO3-6H2O 
(2)5(NH4)2-1 2WO3-5H2O 
(3)5(NH4)2O-1 2WO3-5H2O
(4) 5(NH4)2O-1 2WO3-1 1 H2O

Purity：≥99.9%

Mainly used in the manufacture of tungsten oxide or use blue tungsten oxide to make tungsten metal powder. Also used for the production of ammonium tungsten and other tungsten compounds. Used as additive in petroleum and chemical industry.

Used in organic synthesis and material science.

500G/ bottles, 1KG/ bottles, or according to customer requirements