0305A
ARSENIC TRIOXIDE 98% AR
Arsenic(III) oxide, Arsenous acid, Diarsenic trioxide
CAS : 1327-53-3
HS Code : 2811.29200
Molecular Formula : As2O3
Molecular Weight : 197.84
Physical Properties
Physical state at 20 °C
Solid |
Colour
White powder |
Odour
Odorless |
Melting point/ Freezing point [°C]
312.3 °C |
Boiling point [°C]
457.2 °C |
Density [g/cm3]
3.74 |
Solubility in water [% weight]
3.7 g/l00 ml water @ 20C |
Specifications
Appearance
Almost white powder |
Assay
Min 98% |
Insoluble matter in dil. HCl
Max 0.01% |
Residue on ignition
Max 0.05% |
Chloride (Cl)
Max 0.005% |
Sulphide (S)
Max 0.001% |
Antimony (Sb)
Max 0.05% |
Iron (Fe)
Max 0.001% |
Lead (Pb)
Max 0.002% |
Safety Information and Hazard Symbols
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