19-2835

tert-Butyl methyl ether

Name: <I>tert</I>-Butyl methyl ether
Brand: SAJ

SAJ special grade, ≥99.0%

Synonym(s):

MTBE, Methyl tert-butyl ether

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About This Item

Linear Formula:

(CH₃)₃COCH₃

CAS Number:

1634-04-4

Molecular Weight:

88.15

Beilstein/REAXYS Number:

1730942

EC Number:

216-653-1

MDL number:

MFCD00008812

UNSPSC Code:

12352112

PubChem Substance ID:

329751709

Grade:

SAJ special grade

Assay:

≥99.0%

Bp:

55-56 °C (lit.)

Vapor pressure:

4.05 psi

Key Documents

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grade

SAJ special grade

vapor density

3.1 (vs air)

vapor pressure

4.05 psi

assay

≥99.0%

form

liquid

autoignition temp.

705 °F

expl. lim.

15.1 %

availability

available only in Japan

dilution

(for analytical testing)

refractive index

n20/D 1.369 (lit.)

bp

55-56 °C (lit.)

mp

-110 °C (lit.)

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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Show Differences

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This Item	179787	293210	20256
Sigma-Aldrich 19-2835 tert-Butyl methyl ether	Sigma-Aldrich 179787 tert-Butyl methyl ether	Supelco 293210 tert-Butyl methyl ether	Sigma-Aldrich 20256 tert-Butyl methyl ether
grade SAJ special grade	grade reagent grade	grade HPLC grade	grade -
assay ≥99.0%	assay ≥98%	assay 99.8%	assay ≥99.5% (GC)
form liquid	form liquid	form liquid	form liquid
mp -110 °C (lit.)	mp -110 °C	mp -	mp -110 °C
expl. lim. 15.1 %	expl. lim. 15.1 %	expl. lim. 15.1 %	expl. lim. 15.1 %
vapor pressure 4.05 psi	vapor pressure 14.78 psi ( 55 °C), 4.05 psi ( 20 °C)	vapor pressure 4.05 psi ( 20 °C)	vapor pressure 4.05 psi

pictograms

GHS02,GHS07

signalword

Danger

hcodes

H225,H315

pcodes

P210 - P233 - P240 - P241 - P242 - P303 + P361 + P353

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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An improved high-throughput lipid extraction method for the analysis of human brain lipids.

Sarah K Abbott et al.

Lipids, 48(3), 307-318 (2013-01-29)

We have developed a protocol suitable for high-throughput lipidomic analysis of human brain samples. The traditional Folch extraction (using chloroform and glass-glass homogenization) was compared to a high-throughput method combining methyl-tert-butyl ether (MTBE) extraction with mechanical homogenization utilizing ceramic beads.

Health assessment of gasoline and fuel oxygenate vapors: micronucleus and sister chromatid exchange evaluations.

Ceinwen A Schreiner et al.

Regulatory toxicology and pharmacology : RTP, 70(2 Suppl), S29-S34 (2014-05-24)

Micronucleus and sister chromatid exchange (SCE) tests were performed for vapor condensate of baseline gasoline (BGVC), or gasoline with oxygenates, methyl tert-butyl ether (G/MTBE), ethyl tert butyl ether (G/ETBE), t-amyl methyl ether (G/TAME), diisopropyl ether (G/DIPE), t-butyl alcohol (TBA), or

Critical evaluation of the 2D-CSIA scheme for distinguishing fuel oxygenate degradation reaction mechanisms.

Mònica Rosell et al.

Environmental science & technology, 46(9), 4757-4766 (2012-03-30)

Although the uniform initial hydroxylation of methyl tert-butyl ether (MTBE) and other oxygenates during aerobic biodegradation has already been proven by molecular tools, variations in carbon and hydrogen enrichment factors (ε(C) and ε(H)) have still been associated with different reaction

Performance evaluation of different horizontal subsurface flow wetland types by characterization of flow behavior, mass removal and depth-dependent contaminant load.

Eva M Seeger et al.

Water research, 47(2), 769-780 (2012-12-04)

For several pilot-scale constructed wetlands (CWs: a planted and unplanted gravel filter) and a hydroponic plant root mat (operating at two water levels), used for treating groundwater contaminated with BTEX, the fuel additive MTBE and ammonium, the hydrodynamic behavior was

Microbial degradation of methyl tert-butyl ether and tert-butyl alcohol in the subsurface.

Torsten C Schmidt et al.

Journal of contaminant hydrology, 70(3-4), 173-203 (2004-05-12)

The fate of fuel oxygenates such as methyl tert-butyl ether (MTBE) in the subsurface is governed by their degradability under various redox conditions. The key intermediate in degradation of MTBE and ethyl tert-butyl ether (ETBE) is tert-butyl alcohol (TBA) which

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