tert-Amyl methyl ether
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| Names | |||
|---|---|---|---|
| IUPAC name
2-methoxy-2-methylbutane | |||
| Identifiers | |||
994-05-8  | |||
| 3D model (Jmol) | Interactive image | ||
| Abbreviations | TAME | ||
| ChemSpider | 55188 | ||
| ECHA InfoCard | 100.012.374 | ||
| PubChem | 61247 | ||
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| Properties | |||
| C6H14O | |||
| Molar mass | 102.18 g·mol−1 | ||
| Appearance | Clear, colorless liquid | ||
| Density | 3.52 (vapor) | ||
| Melting point | −80 °C (−112 °F; 193 K) | ||
| Boiling point | 86.3 °C (187.3 °F; 359.4 K) | ||
| 10.71 g/L at 20 °C | |||
| Refractive index (nD) |
1.3896 | ||
| Hazards | |||
| Flash point | −11 °C (12 °F; 262 K) | ||
| 430 °C (806 °F; 703 K) | |||
| Explosive limits | Upper Explosive Limit = 7.1 % Lower Explosive Limit = 1.0 | ||
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
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| Infobox references | |||
tert-Amyl methyl ether (TAME) is an ether used as a fuel oxygenate. It has an ethereous odor.[1] Unlike most ethers, it does not form peroxides on storage.
Uses
TAME is mostly used as an oxygenate to gasoline. It is added for three reasons: to increase octane enhancement, to replace banned tetraethyl lead, and to raise the oxygen content in gasoline. It is known that TAME in fuel reduces exhaust emissions of some volatile organic compounds.[1]
Toxicity
When exposed to lab rats at 4000 ppm only 25% survived, the rest having died of central nervous system depression.[3]
See also
References
- 1 2 3 "tert-AMYL METHYL ETHER (1,1-DIMETHYLPROPYL METHYL ETHER)". chemicalland21.com. Retrieved 2009-10-20.
- ↑ National Industrial Chemicals Notification and Assessment Scheme (2001). "t-Amyl methyl ether (TAME)" (PDF). Full Public Reports. Retrieved 2009-10-20.
- ↑ White, Russell D.; Daughtrey, Wayne C.; Wells, Mike S. (December 1995). "Health effects of inhaled tertiary amyl methyl ether and ethyl tertiary butyl ether". Toxicology Letters. 82-83: 719–724. doi:10.1016/0378-4274(95)03590-7. PMID 8597132.
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