Methyl thiocyanate

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Methyl thiocyanate
Methyl thiocyanate.svg
Methyl thiocyanate 3D spacefill.png
Names
IUPAC name
methyl thiocyanate
Systematic IUPAC name
methyl thiocyanate
Other names
Thiocyanic acid methyl ester;[1] Methylrhodanid; methylrhodanate; Methylthiokyanat; Thiocyanomethane; Methyl rhodanide; Methyl thiocyanate; thiocyanato-methan; methylsulfocyanate; Methylsalfocyanate[2]
Identifiers
556-64-9
ChemSpider 10695
EC Number 209-134-6
Jmol 3D model Interactive image
MeSH C047435
PubChem 11168
  • InChI=1S/C2H3NS/c1-4-2-3/h1H3
  • N#CSC
Properties
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)
Slightly soluble[3]
Solubility in Diethyl ether Miscible[3]
Structure
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).[4]

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.[5]

References

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  3. F. Romanowski, H. Klenk "Thiocyanates and Isothiocyanates, Organic" in Ullmann's Encyclopedia of Industrial Chemistry, 2005, Wiley-VCH: Weinheim. doi:10.1002/14356007.a26 749
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