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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 77.60
33289-22 100g 267.00
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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-H335-H350-H371

Fatal if swallowed. Causes severe skin burns and eye damage. May cause respiratory irritation. May cause cancer. May cause damage to organs.

Precautionary Statements: P201-P202-P260-P264b-P270-P271-P281-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Wash contaminated clothing before reuse. Dispose of contents/ container to an approved waste disposal plant

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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