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
Risks
- Toxic by inhalation and ingestion.
- Strongly irritating to tissue.
- Decomposes with heat or steam to produce cyanide and sulfur oxide fumes.
- ThermoFisher: SDS
Physical and Chemical Properties
Insoluble in water. Soluble in alcohol, ether.
| Composition | C7H5NS |
|---|---|
| CAS | 103-72-0 |
| Melting Point | -21 C |
| Density | 1.1288 g/ml |
| Molecular Weight | mol. wt. = 135.18 |
| Refractive Index | 1.64918 |
| Boiling Point | 221 C |
Resources and Citations
- The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 7148
- Wikipedia: http://en.wikipedia.org/wiki/Lachrymator (Accessed Mar. 1, 2006)