TUNGSTIC ACID
TUNGSTIC ACID AR
Catalyst for oxidation of sulphides to sulphones.
Short Name: TUNGSTIC ACID
Synonym: Orthotungstic acid; Dihydroxy-dioxotungsten
Basic Details
Article No.
LG4715
Grade
AR
Purity
99%
CAS No.
7783-03-1
HS Code
2825.9090
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
Yellow powder
Assay
Min 99%
Chloride (Cl)
Max 0.05%
Sulphate (SO4)
Max 0.02%
Iron (Fe)
Max 0.001%
Safety Information & Hazard Symbols