179787

Sigma-Aldrich

tert-Butyl methyl ether

reagent grade, ≥98%

Sinónimos:
MTBE, Methyl tert-butyl ether
Fórmula lineal:
(CH3)3COCH3
Número de CAS:
Peso molecular:
88.15
Beilstein/REAXYS Number:
1730942
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.07

Quality Level

grade

reagent grade

vapor density

3.1 (vs air)

vapor pressure

14.78 psi ( 55 °C)
4.05 psi ( 20 °C)

assay

≥98%

form

liquid

autoignition temp.

705 °F

expl. lim.

15.1 %

impurities

≤0.0005% peroxides (as H2O2)
≤0.1% water (Karl Fischer)

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

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General description

tert-Butyl methyl ether is a commonly used organic solvent. It 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. Its addition during the polymerization of propene by stopped-flow method increases the number of active sites.

Packaging

1, 4 L in glass bottle

pictograms

FlameExclamation mark

signalword

Danger

hazcat

Flam. Liq. 2 - Skin Irrit. 2

storage_class_code

3 - Flammable liquids

WGK Germany

WGK 1

Flash Point F

-18.4 °F - closed cup

Flash Point C

-28 °C - closed cup

Certificado de Análisis

Certificado de origen

Removal of methyl tert-butyl ether (MTBE) with Nafion.
Lien HL and Zhang WX
Journal of Hazardous Materials, 144(1), 194-199 (2007)
Relative solubility, stability, and absorptivity of lutein and β-carotene in organic solvents.
Craft NE and Soares JH.
Journal of Agricultural and Food Chemistry, 40(3), 431-434 (1992)
Role of tert-Butyl Methyl Ether (TBME) as an External Donor in Propene Polymerization with Dibutyl Phthalate (DBP)-Containing MgCl2-Supported Ti Catalysts Activated with Al(i-C4H9)3.
Ohnishi R and Konakazawa T.
Macromolecular Chemistry and Physics, 205(14), 1938-1947 (2004)
Eagleson M.
Concise Encyclopedia Chemistry, 154-154 (1994)
New approach of catalyst-free biodiesel production from canola oil in supercritical tert-butyl methyl ether (MTBE).
Farobie O, et al.
Fuel: The Science and Technology of Fuel and Energy, 135, 172-181 (2014)

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