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ARSENIC TRIOXIDE AR
Arsenic(III) oxide, Arsenous acid, Diarsenic trioxide
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Packings
100 g
(00100)
500 g
(00500)
Print friendly version
Article No.
01531
Grade
AR
Purity
99%
CAS No.
1327-53-3
Molecular Formula
As
2
O
3
Molecular Weight
197.84
H.S. Code
2811.2920
Shelf Life
60 Months
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 99%
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
Symbol: GHS05, GHS06, GHS08, GHS09
Signal Word: Danger
UN No.: 1561
IMCO Class No.: 6.1
Packing Group: II
Hazardous Statement: H300-H314-H350-H410
Precaution Statement: P201-P264-P273-P280-P305 + P351 + P338-P310
Revision Date:
20-Mar-2025
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ARSENIC TRIOXIDE