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ARSENIC TRIOXIDE AR

ARSENIC TRIOXIDE AR

ARSENIC TRIOXIDE AR

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Description

Arsenic(III) oxide, Arsenous acid, Diarsenic trioxide
Article No. 01531 Grade AR
Purity 99% CAS No. 1327-53-3
Molecular Formula As2O3 Molecular Weight 197.84
H.S. Code 2811.2920 Shelf Life 60 Months
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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 NH4OH 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%

Packings
100 g 00100
500 g 00500

Safety Information
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

 

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