Methyl isothiocyanate

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Methyl isothiocyanate, CH₃N=C=S, also known by the acronymn MITC, is a low melting (m.p. 31°C) colorless solid used in organic chemistry. It is a volatile (b.p. 117°C) lachrymator. Density 1.07 g cm^–3. Its most characteristic reaction is with amines to to give methyl thioureas:

CH₃NCS + R₂NH → R₂NC(S)NHCH₃

MITC is used in agriculture as a soil fumigant. It is generated in situ from the reaction of metam sodium with water.

• Isothiocyanate

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