Chloropicrin

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Description

A colorless, oily liquid that causes eyes to water. Chloropicrin is a highly toxic irritant used in tear gas, dyestuffs, disinfectants, and insecticides. It has also been used as a wood preservative. Trace amounts of chloropicrin are added to odorless fumigants (methyl bromide, sulfuryl fluoride) to act as a warning agent. However, unless the air is dry, chloropicrin may corrode metals.

Synonyms and Related Terms

chlorpicrin; nitrochloroform; nitrotrichloromethane; trichloronitromethane; acquinite; klop; Larvacide; Picfume; TimberFume®

Other Properties

Soluble in ethanol, benzene, ether, carbon disulfide. Insoluble in water and acids.

Composition CCl3NO2
CAS 76-06-2
Melting Point -69.2
Density 1.692
Molecular Weight mol. wt. = 164.37
Boiling Point 112

Hazards and Safety

Highly toxic by inhalation, ingestion, and skin absorption.

Lachrymator, strongly irritating to eyes and tissues. Corrosive to metals.

Fisher Scientific: MSDS

Sources Checked for Data in Record

  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 2208
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 622
  • Lynda A. Zycherman, J.Richard Schrock, A Guide to Museum Pest Control, FAIC and Association of Systematics Collections, Washington DC, 1988
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982