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Merck
CN

34875

tert-Butyl methyl ether

suitable for HPLC, ≥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:
41116105
NACRES:
NA.07
PubChem Substance ID:
EC Number:
216-653-1
Beilstein/REAXYS Number:
1730942
MDL number:
Assay:
≥99.8%
Grade:
HPLC grade
Technique(s):
HPLC: suitable
Bp:
55-56 °C (lit.)
Vapor pressure:
4.05 psi
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grade

HPLC grade

vapor density

3.1 (vs air)

vapor pressure

4.05 psi

assay

≥99.8%

form

liquid

autoignition temp.

705 °F

expl. lim.

15.1 %

technique(s)

HPLC: suitable

impurities

≤0.0005% non-volatile matter, ≤0.0005% peroxides (as H2O2), ≤0.002% free acid (as CH3COOH), ≤0.01% water (Karl Fischer)

color

APHA: ≤10

transmittance

220 nm, ≥40%, 250 nm, ≥80%, 260 nm, ≥90%, 290 nm, ≥99%

refractive index

n20/D 1.369 (lit.)

bp

55-56 °C (lit.)

mp

-110 °C

density

0.74 g/mL at 25 °C (lit.)

UV absorption

λ: 210 nm Amax: ≤1.0, λ: 220 nm Amax: ≤0.40, λ: 250 nm Amax: ≤0.10, λ: 260 nm Amax: ≤0.05, λ: 300 nm Amax: ≤0.005, λ: 400 nm Amax: ≤0.005

application(s)

food and beverages

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 (methyl tert-butyl ether, MTBE) is a gasoline additive. Its oxidative degradation by propane-oxidizing bacterial strains has been tested. Kinetic studies of its heat-assisted persulfate oxidation at various pH, temperature, oxidant concentration and ionic strength levels suggests that reaction exhibits a pseudo-first-order decay model.

Application

tert-Butyl methyl ether (methyl tert-butyl ether, MTBE) has been used in the isolation and quantitative determination of carotenes and xanthophylls from Capsicum annum pericarp extracts by HPLC.

Other Notes

Important notice
  • The article number 34875-4X2.5L will be discontinued. Please order the single bottle 34875-2.5L which is physically identical with the same exact specifications.
  • The article number 34875-6X1L will be discontinued. Please order the single bottle 34875-1L which is physically identical with the same exact specifications.
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pictograms

FlameExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-18.4 °F - closed cup

flash_point_c

-28 °C - closed cup

Regulatory Information

危险化学品

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Carotenoid Extraction and Quantification from Capsicum annuum.
Richins RD, et al.
Bio-protocol, 4(19), e1256-e1256 (2014)
Kun-Chang Huang et al.
Chemosphere, 49(4), 413-420 (2002-10-09)
The kinetics of heat-assisted persulfate oxidation of methyl tert-butyl ether (MTBE) in aqueous solutions at various pH, temperature, oxidant concentration and ionic strength levels was studied. The MTBE degradation was found to follow a pseudo-first-order decay model. The pseudo-first-order rate
R J Steffan et al.
Applied and environmental microbiology, 63(11), 4216-4222 (1997-11-15)
Several propane-oxidizing bacteria were tested for their ability to degrade gasoline oxygenates, including methyl tert-butyl ether (MTBE), ethyl tert-butyl ether (ETBE), and tert-amyl methyl ether (TAME). Both a laboratory strain and natural isolates were able to degrade each compound after



Global Trade Item Number

SKUGTIN
34875-2.5L04061826764701
34875-4L04061837477041
34875-4X2.5L04061826764725
34875-4X2L04061837477058
34875-4X4L04061837477065
34875-100ML04061826764695
34875-1L04061837477027
34875-200L-P2-LS04061837286995
34875-2L04061837477034
34875-6X1L04061826764732