Phenyl isothiocyanate

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Description

A clear yellowish liquid with an irritating odor that can act as a lachrymator. Phenyl isothiocyanate (PITC) is added to Vikane® fumigant as a warning agent. It is also used in tear gas and mace.

Synonyms and Related Terms

PITC; thiocarbanil; phenylisothiocyanate; isothiocyanic acid phenyl ester; isothiocyanatobenzene; phenyl mustard oil

Other Properties

Insoluble in water. Soluble in alcohol, ether.

Composition C7H5NS
CAS 103-72-0
Melting Point -21
Density 1.1288
Molecular Weight mol. wt. = 135.18
Refractive Index 1.64918
Boiling Point 221

Hazards and Safety

Toxic by inhalation and ingestion. Strongly irritating to tissue.

Decomposes with heat or steam to produce cyanide and sulfur oxide fumes.

Mallinckrodt Baker: MSDS

Sources Checked for Data in Record

  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 7148