Chemistry:2,5-Dimethylthiophene
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| Preferred IUPAC name
2,5-Dimethylthiophene | |
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CompTox Dashboard (EPA)
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| Properties | |
| C6H8S | |
| Molar mass | 112.19 g·mol−1 |
| Appearance | Colorless liquid |
| Density | 0.9836 g/cm3 |
| Melting point | −62.6 °C (−80.7 °F; 210.6 K) |
| Boiling point | 136.5 °C (277.7 °F; 409.6 K) |
| Hazards | |
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| GHS Signal word | Warning |
| H226 | |
| P210, P233, P240, P241, P242, P243, P280, P303+361+353, P370+378, P403+235, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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2,5-Dimethylthiophene is an organosulfur compound with the formula C4H2(CH3)2S. It is one of four isomers of dimethylthiophene. A colorless liquid, it is prepared by sulfurization of hexane-2,5-dione.[1] It is approved as a food flavouring additive in Europe.[2]
References
- ↑ Shridhar, D. R.; Jogibhukta, M.; Rao, P. Shanthan; Handa, Vijay K. (1982). "An Improved Method for the Preparation of 2,5-Disubstituted Thiophenes". Synthesis 1982 (12): 1061–1062. doi:10.1055/s-1982-30065.
- ↑ "Document 32012R0872". https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX:32012R0872.
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