6127. Methyl Thiocyanate

Nomenclature

CAS number: 556-64-9
Methyl sulfocyanate.
C2H3NS; mol wt 73.12.
C 32.85%, H 4.14%, N 19.16%, S 43.85%.
CH3SC≡N.

Description and references

Prepd from dimethyl sulfate and aq barium thiocyanate. Toxicology: W. F. von Oettingen et al., J. Ind. Hyg. Toxicol. 18, 310 (1936). Toxicity data: H. Ohkawa et al., Pestic. Biochem. Physiol. 2, 85 (1972).

Properties

Colorless liquid; onion odor. d20 1.068. mp 51°. bp 130-133°. nD20 1.4697. Very slightly sol in water; miscible with alcohol, ether. LD50 i.p. in mice: 315 nmoles/g (Ohkawa).