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
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
216-653-1
Beilstein/REAXYS Number:
1730942
MDL number:
Assay:
99.8%
Grade:
anhydrous
Bp:
55-56 °C (lit.)
Vapor pressure:
4.05 psi
grade
anhydrous
Quality Segment
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%
refractive index
n20/D 1.369 (lit.)
bp
55-56 °C (lit.)
mp
-110 °C
density
0.74 g/mL at 25 °C (lit.)
SMILES string
COC(C)(C)C
InChI
1S/C5H12O/c1-5(2,3)6-4/h1-4H3
InChI key
BZLVMXJERCGZMT-UHFFFAOYSA-N
General description
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.
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.
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.
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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2 - Skin Irrit. 2
Storage Class
3 - Flammable liquids
flash_point_f
-18.4 °F - closed cup
flash_point_c
-28 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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