Tungsten oxide

Product name:Tungsten oxide
CAS: 12036-22-5
Molecular Formula: O2W
Molecular Weight: 215.8388
Product description:Yellow powder, no smell. Light yellow powder become orange on heating and cooling and then return to original state.Soluble in alkali hydroxide solution, slightly soluble in acid, insoluble in water.Will be purified by recrystallization method of secondary tungsten acid ammonium (NH4) 10 w12o41 11th h2o in porcelain crucible, when heated to above 400 ℃, tungsten trioxide ammonia volatilization is out.Used for making metal tungsten raw material. Used for cemented carbide, tungsten wire, powder metallurgy, system of X-ray screen and fireproof fabric. Can also be used as ceramics stains and analytical reagent.