306975

Sigma-Aldrich

tert-Butyl methyl ether

anhydrous, 99.8%

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.21

Quality Level

grade

anhydrous

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

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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.

Packaging

1, 6×1, 2 L in Sure/Seal™
100 mL in Sure/Seal™

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

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificado de Análisis

Certificado de origen

<BIG>Eagleson M. </BIG>
Concise Encyclopedia Chemistry, 154-154 (1995)
Application of artificial neural networks for modeling of the treatment of wastewater contaminated with methyl tert-butyl ether (MTBE) by UV/H 2 O 2 process.
Salari D, et al.
Journal of Hazardous Materials, 125(1), 205-210 (2005)
Viktor Nilsson et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 21(11), 1166-1176 (2020-04-21)
To elucidate what properties control and practically limit ion transport in highly concentrated electrolytes (HCEs), the viscosity, ionic conductivity, ionicity, and transport numbers were studied for nine model electrolytes and connected to the rate capability in Li-ion battery (LIB) cells....
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)
Artículos
Amide bonds are ubiquitous in both nature and industrial applications. They are vital to the structure and function of biological macromolecules and polymers. The importance of this functionality has resulted in numerous approaches to its formation, ranging from stoichiometric activation of carboxylic acids to more recent advances in catalytic amide bond formation.
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