Antimony pentachloride

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Description

A yellow, oily liquid with a putrid smell. Antimony pentachloride is used as a Stain for materials containing hydroxyl groups such as Dammar, Mastic, sterols, nondrying oils, and vitamins. It reacts to form an adduct that fluoresces blue-white in Ultraviolet light. Antimony pentachloride is moisture sensitive and will decompose in the presence of Water or alcohols.

Synonyms and Related Terms

APC; antimony perchloride

Chemical structure

Antimony pentachloride.jpg


Other Properties

Soluble in hydrochloric acid, chloroform, carbon tetrachloride. Hydrolyzes in water to form solid Sb2O5.

Maximum absorption wavelength= 430 nm; Maximum emission wavelength= 550 nm.

Composition SbCl5
CAS 7647-18-9
Melting Point 2.8-3.5
Density 2.34
Molecular Weight mol. wt. = 299.02
Boiling Point 77 (dec)

Hazards and Safety

Corrosive, fumes in moist air. Reacts strongly with organics.

Highly toxic. Will damage skin and membranes on contact.

Fisher Scientific: MSDS 08/02/00

Additional Information

R. Wolbers, N. Sterman and C. Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings,1990, GCI, Los Angeles.

Authority

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Richard C. Wolbers, Nanette T. Sterman, Chris Stavroudis, Notes for Workshop on New Methods in the Cleaning of Paintings, J.Paul Getty Trust, Los Angeles, 1990
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 736

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