Methyl thiocyanate

Methyl thiocyanate

Names
IUPAC name methyl thiocyanate
Systematic IUPAC name methyl thiocyanate
Other names Thiocyanic acid methyl ester; Methylrhodanid; methylrhodanate; Methylthiokyanat; Thiocyanomethane; Methyl rhodanide; Methyl thiocyanate; thiocyanato-methan; methylsulfocyanate; Methylsalfocyanate
Identifiers
CAS Number	556-64-9
ChemSpider	10695
EC Number	209-134-6
Jmol 3D model	Interactive image
MeSH	C047435
PubChem	11168
InChI InChI=1S/C2H3NS/c1-4-2-3/h1H3
SMILES N#CSC
Properties
Chemical formula	C2H3NS
Molar mass	73.117
Appearance	Colourless liquid
Density	1.074 g/cm3
Melting point	−51 °C (−60 °F; 222 K)
Boiling point	132 °C (270 °F; 405 K) (101.3 kP)
Solubility in water	Slightly soluble
Solubility in Diethyl ether	Miscible
Structure
Molecular shape	bent C-S-CN
Vapor pressure	{{{value}}}
Related compounds
Related compounds	Methyl isocyanate Methyl isothiocyanate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Methyl thiocyanate is an organic compound with the formula CH₃SCN. 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).

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.