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33289 Arsenic(III) oxide, primary standard, ACS, 99.95-100.05%

CAS Number
1327-53-3
Synonyms
Arsenic trioxide

Stock No. Size Price ($) Quantity Availability
33289-14 25g 75.30
33289-22 100g 259.00
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Arsenic(III) oxide, primary standard, ACS, 99.95-100.05%

MDL
MFCD00003433
EINECS
215-481-4

Chemical Properties

Formula
As2O3
Formula Weight
197.84
Form
Powder
Melting point
312.3°
Boiling Point
465° subl.
Density
3.74
Storage & Sensitivity
Ambient temperatures.
Solubility
Soluble in dilute acids and alkalies. Insoluble in organic solvents. Slightly soluble in water.

Grade Specifications

Maximum level of impurities: Residue after ignition 0.02%, Insoluble in dilute hydrochloric acid 0.01%, Cl 0.005%, S P.T. (limit about 0.001%), Sb 0.05%, Pb 0.002%, Fe 5ppm

Applications

Used in the manufacturing of such products as glass and enamels. Arsenic trioxide is utilized in various studies on cellular processes, notably in investigations of leukemia and principal material for the production of many arsenic compounds.

Notes

Noncombustible. Corrosive to metals in the presence of moisture.

Literature References

Hug, S. J.; Leupin, O. Iron-Catalyzed Oxidation of Arsenic(III) by Oxygen and by Hydrogen Peroxide:? pH-Dependent Formation of Oxidants in the Fenton Reaction. Environ. Sci. Technol. 2003, 37 (12), 2734-2742.

Jay A. Young. Chemical Laboratory Information Profile: Arsenic(III) Oxide. Chem. Educ. 2002, 79 (1), 23.

GHS Hazard and Precautionary Statements

Hazard Statements: H300-H314-H318-H350

Fatal if swallowed. Causes severe skin burns and eye damage. Causes serious eye damage. May cause cancer.

Precautionary Statements: P260u-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a

Do not breathe dusts or mists. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,804
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2811.29
TSCA
Yes
RTECS
CG3325000

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