Arsenic pentoxide

Description

White deliquescent crystals that are highly toxic. Arsenic pentoxide is used in insecticides, fungicides, textile dyeing and printing, and in glass manufacturing.

Synonyms and Related Terms

arsenic (V) oxide; arsenic anhydride; arsenic acid anhydride

Chemical structure

Physical and Chemical Properties

Soluble in water, ethanol.

Composition	As2O5
CAS	1303-28-2
Melting Point	315
Density	4.086
Molecular Weight	mol. wt. = 229.84

Risks

Highly toxic by ingestion and inhalation. Potential carcinogen and mutagen.

Fisher Scientific: MSDS

Resources and Citations

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 839