Methyl Thiocyanate
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Methyl Thiocyanate
Methyl thiocyanate.svg
Methyl thiocyanate 3D spacefill.png
Names
Preferred 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
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.305 Edit this at Wikidata
EC Number
  • 209-134-6
MeSH C047435
UNII
  • 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
Hazards
R-phrases (outdated) R10, R23/24/25[1]
S-phrases (outdated) S16, S26, S27, S28[1]
NFPA 704 (fire diamond)
3
3
0
Flash point 38 °C (100 °F; 311 K)[1]
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

  1. ^ "Chemical book page". Retrieved 2011.
  2. ^ a b "United States chemical entree". Retrieved 2011.
  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
  4. ^ 40 C.F.R.: Appendix A to Part 355--The List of Extremely Hazardous Substances and Their Threshold Planning Quantities (PDF) (July 1, 2008 ed.), Government Printing Office, archived from the original (PDF) on February 25, 2012, retrieved 2009

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Methyl_thiocyanate
 



 



 
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