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TUNGSTIC ACID AR
Catalyst for oxidation of sulphides to sulphones.
Orthotungstic acid; Dihydroxy-dioxotungsten
MSDS
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COAs
Packings
100 g
(00100)
1000 g
(01000)
Print friendly version
Article No.
06415
Grade
AR
Purity
99%
CAS No.
7783-03-1
Molecular Formula
H
2
WO
4
Molecular Weight
249.87
H.S. Code
2825.9090
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
Yellow powder
Odour
Odorless
pH value
4 at 100 g/l at 20 °C
Melting point/ Freezing point [°C]
> 100 °C
Boiling point [°C]
1473°C
Density [g/cm3]
5.5
Solubility in water [% weight]
Insoluble in water
Specifications
Appearance
Yellow powder
Assay
Min 99%
Chloride (Cl)
Max 0.05%
Sulphate (SO4)
Max 0.02%
Iron (Fe)
Max 0.001%
Revision Date:
09-Nov-2013
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TUNGSTIC ACID