306975
tert-Butyl methyl ether
anhydrous, 99.8%
Synonym(s):
MTBE, Methyl tert-butyl ether
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About This Item
Linear Formula:
(CH3)3COCH3
CAS Number:
Molecular Weight:
88.15
Beilstein/REAXYS Number:
1730942
EC Number:
MDL number:
UNSPSC Code:
12352112
PubChem Substance ID:
NACRES:
NA.21
grade:
anhydrous
assay:
99.8%
bp:
55-56 °C (lit.)
vapor pressure:
4.05 psi
Recommended Products
grade
anhydrous
Quality Level
vapor density
3.1 (vs air)
vapor pressure
4.05 psi
assay
99.8%
form
liquid
autoignition temp.
705 °F
expl. lim.
15.1 %
impurities
<0.003% water
<0.005% water (100 mL pkg)
evapn. residue
<0.0005%
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General description
tert-Butyl methyl ether (MTBE) is a gasoline additive. MTBE undergoes oxidative degradation in the presence of propane-oxidizing bacterial strains. The kinetic studies of heat-assisted persulfate oxidation of MTBE under various parameters suggests that the reaction follows the pseudo-first-order kinetics. MTBE can be synthesized by acid catalyzed reaction between methanol and isobutene. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by stopped-flow method.
tert-Butyl methyl ether is a commonly used organic solvent that can be synthesized by acid catalyzed reaction between methanol and isobutene. It is an effective alternative to lead containing additives for enhancing the octane rating of gasoline.
Application
tert-Butyl methyl ether may be used to synthesize fatty acid methyl esters (FAMEs) and glycerol tert-butyl ether via transesterification with canola oil under supercritical conditions.
signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 1
flash_point_f
-18.4 °F - closed cup
flash_point_c
-28 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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