ARSENIC TRIOXIDE

ARSENIC TRIOXIDE AR

Arsenic(III) oxide, Arsenous acid, Diarsenic trioxide

Article No.

01531

Grade

Purity

99%

CAS No.

1327-53-3

Molecular Formula

As₂O₃

Molecular Weight

197.84

H.S. Code

2811.2920

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

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

Packings

100 g (00100)
500 g (00500)

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%

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 : 06-Mar-2014