Antimony pentoxide

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Contents

Description

Yellowish powder with cubic crystals. Antimony pentoxide is used as a flame retardant in clothing.

Synonyms and Related Terms

antimony (V) oxide; diaphoretic antimony; white oxide of antimony; antimony anhydride; antimonic acid; stibic anhydride

Chemical structure

Antimony pentoxide.jpg


Other Properties

Soluble in strong bases and concentrated hydrochloric acid. Slightly soluble in water.

Composition Sb2O5
CAS 1314-60-9
Melting Point 450
Density 3.78
Molecular Weight mol. wt. = 323.52

Hazards and Safety

Decomposes on heating. Strong oxidizer.

Fisher Scientific: MSDS

Sources Checked for Data in Record

  • 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 739
  • Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985

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