Methyl thiocyanate explained

Methyl thiocyanate is an organic compound with the formula CH₃SCN. The simplest member of the organic thiocyanates, it is a colourless liquid with an onion-like odor. It is produced by the methylation of thiocyanate salts. The compound is a precursor to the more useful isomer methyl isothiocyanate (CH₃NCS).^[1]

Safety

The LD50 is 60 mg/kg (rats, oral).

It is listed as an extremely hazardous substance by the United States's Emergency Planning and Community Right-to-Know Act.

Notes and References

1. F. Romanowski, H. Klenk "Thiocyanates and Isothiocyanates, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH: Weinheim.