Tungsten oxide 


 CAS: 1314-35-8 
 Molecular formula: O3W 
 Molecular Weight: 231.84 
 EINECS: 215-231-4 
 Related Categories: Inorganics; coating material; Cp molybdenum, titanium, tungsten, vanadium, zirconium; inorganic chemical products; salts 
 Mol File: 1314-35-8.mol 
 Melting point of 1470-1475 ° C 
 Density of 7.16 g / mL at 25 ° C (lit.) 

 form powder 

 Water solubility insoluble 
 Merck 14,9817 
 CAS databases 1314-35-8 (CAS DataBase Reference) 
 NIST Chemistry Tungsten trioxide (1314-35-8) 
 EPA Substance Tungsten oxide (WO3) (1314-35-8) 


 Safety Information 

 Hazard Symbols Xn 
 Risk 22-36/37/38 
 Safety instructions 26-36-37/39 
 WGK Germany - 

 RTECS No. YO7760000 

 F 21 
 Toxic substance data 1314-35-8 (Hazardous Substances Dat 
 Chemical nature of the yellow powder. Generally insoluble in water and inorganic acids, soluble in hot alkali, slightly soluble in hydrofluoric acid. 
 Uses for the system tungsten, steel, fireproof fabric, etc., and for the ceramic industry 
 Use reagents for the analysis, but also for the metal tungsten, tungsten salt preparation 
 Use tungsten metal used as raw material for the system. Carbide for the system, pull tungsten wire, powder metallurgy, manufacturing x-ray screen and fire fabric. Ceramics can also be used as the coloring agent and analytical reagent. 



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