Ethyl tert-butyl ether

From Self-sufficiency
Jump to: navigation, search
Ethyl tert-butyl ether[1]
File:Ethyl-tertiary-butyl-ether-chemical.png
Ball-and-stick model
style="background: #F8EABA; text-align: center;" colspan="2" | Identifiers
Abbreviations ETBE
CAS number 637-92-3 YesY
PubChem 12512
EC number 211-309-7
RTECS number KN4730200
SMILES Script error: No such module "collapsible list".
InChI Script error: No such module "collapsible list".
style="background: #F8EABA; text-align: center;" colspan="2" | Properties
Molecular formula C6H14O
Molar mass 102.17 g mol−1
Appearance Clear colorless liquid
Density 0.7364 g/cm3
Melting point

-94 °C, 179 K, -137 °F

Boiling point

69-71 °C

Solubility in water 1.2 g/100 g
style="background: #F8EABA; text-align: center;" colspan="2" | Hazards
R-phrases R11 R20
S-phrases S16
Flash point -19 °C
 YesY (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Ethyl tert-butyl ether (ETBE) is commonly used as an oxygenate gasoline additive in the production of gasoline from crude oil. ETBE offers equal or greater air quality benefits as ethanol, while being technically and logistically less challenging. Unlike ethanol, ETBE does not induce evaporation of gasoline, which is one of the causes of smog, and does not absorb moisture from the atmosphere.

Synthesis

It is synthesized by mixing ethanol and isobutylene and reacting them with heat over a catalyst.

400px

Ethanol, produced by fermentation and distillation, is more expensive than methanol, which is derived from natural gas. Therefore, MTBE, made from methanol is cheaper than ETBE, made from ethanol.

See also

References

  1. Merck Index, 11th Edition, 3732.

External links

eo:ETBE fr:ETBE it:Etil-t-butil etere hu:Etil-tercier-butil-éter nl:Ethyl-tert-butylether ja:エチルtert-ブチルエーテル