Blue Tungsten Oxide At Western Minmetals

Post Date:
Nov 03,2015
Expiry Date:
Nov 02,2016
Detailed Description:
Cas No. :1314-35-8 Product Description
Blue Tungsten Oxide (WO2.90), Dark blue or bluish black crystallized powder, molecular formula W20O58 or WO2.90, apparent density 2.2-2.9g/cm3, is raw material for hydrogenolysis tungsten powder nad tungsten carbide

Product Specification/Models
Blue Tungsten Oxide(WO3)
Purity 99.90%, 99.95%, 99.98%
W20O58 70%min
Impurities PCT Max Each
Grade TBO-0
Purity 99.98%
Mo 0.02, As/Ca/Co/Cr/Fe/K/Na/Si/V 0.001, Cu 0.0003
Al/Mg/Mn/Ni/P/S 0.0005, Bi/Pb/Sn/Ti 0.0001
Grade TBO-1
Purity 99.95%
Al/As/Ca/Co/Cr/Fe/Mg/Mn/Sb/Si/Ti/ P/S/V 0.001
K/Na, 0.0015, Bi 0.0001, Cu/Sn 0.0005, Ni 0.0007
Grade TBO-2
Purity 99.90%
Al/Cr/Cu/Mn/S 0.001, As/Co/Mg/Mo/Sb/Ti/K/V 0.002
Ca/Fe/Na/Si 0.003, Bi/Pb/Sn 0.0005
Ignition Loss 0.20% max
Size 250um(-60mesh)
CAS Registry Number:
1314-35-8
Synonyms:
C.I. 77901;Tungsten trioxide;TungstenoxidePURATREMyellowpowder;Tungstenoxidesinteredlumpsyellowgreenpieces;Tungstenoxideyellowgreenpowder;Tungstenoxide;trioxotungsten;
Molecular Formula:
O₃W
Molecular Weight:
231.8382
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R36/37/38:;
Safety Description:
S26:;
S37/39:;

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