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tert-Amyl methyl ether

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tert-Amyl methyl ether[1][2]
Names
IUPAC name
2-methoxy-2-methylbutane
Identifiers
3D model (JSmol)
Abbreviations TAME
ChemSpider
ECHA InfoCard 100.012.374 Edit this at Wikidata
  • InChI=1S/C6H14O/c1-5-6(2,3)7-4/h5H2,1-4H3 checkY
    Key: HVZJRWJGKQPSFL-UHFFFAOYSA-N checkY
  • InChI=1/C6H14O/c1-5-6(2,3)7-4/h5H2,1-4H3
    Key: HVZJRWJGKQPSFL-UHFFFAOYAC
  • O(C(C)(C)CC)C
Properties
C6H14O
Molar mass 102.177 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
1.3896
Viscosity Low
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).
checkY verify (what is checkY☒N ?)

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 had died of central nervous system depression.[3]

See also

References

  1. ^ a b c "tert-AMYL METHYL ETHER (1,1-DIMETHYLPROPYL METHYL ETHER)". chemicalland21.com. Retrieved 2009-10-20.
  2. ^ National Industrial Chemicals Notification and Assessment Scheme (2001). "t-Amyl methyl ether (TAME)" (PDF). Full Public Reports. Retrieved 2009-10-20.
  3. ^ 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. {{cite journal}}: Unknown parameter |booktitle= ignored (help)
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