Methyl thiocyanate
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 | |
| Names | |
|---|---|
| IUPAC name
methyl thiocyanate | |
| Systematic IUPAC name
methyl thiocyanate | |
| Other names | |
| Identifiers | |
| 556-64-9 | |
| 3D model (Jmol) | Interactive image |
| ChemSpider | 10695 |
| ECHA InfoCard | 100.008.305 |
| EC Number | 209-134-6 |
| MeSH | C047435 |
| PubChem | 11168 |
| |
| |
| 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 | R10, R23/24/25[1] |
| S-phrases | S16, S26, S27, S28[1] |
| NFPA 704 | |
| 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 2 3 4 "Chemblink chemical data". Retrieved June 29, 2011.
- ↑ "Chemical book page". Retrieved June 29, 2011.
- 1 2 "United States chemical entree". Retrieved June 29, 2011.
- ↑ 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
- ↑ 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, retrieved March 8, 2009
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