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34875

Sigma-Aldrich

tert-Butyl méthyl éther

suitable for HPLC, ≥99.8%

Synonyme(s) :

MTBE, Éther méthylique tert-butylique

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About This Item

Formule linéaire :
(CH3)3COCH3
Numéro CAS:
1634-04-4
Poids moléculaire :
88.15
Numéro Beilstein :
1730942
Numéro CE :
216-653-1
Numéro MDL:
MFCD00008812
Code UNSPSC :
41116105
ID de substance PubChem :
329755082
Nomenclature NACRES :
NA.07

Densité de vapeur

3.1 (vs air)

Niveau de qualité

100

Pression de vapeur

4.05 psi

Pureté

≥99.8%

Forme

liquid

Température d'inflammation spontanée

705 °F

Limite d'explosivité

15.1 %

Technique(s)

HPLC: suitable

Impuretés

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

Couleur

APHA: ≤10

Transmittance

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

Indice de réfraction

n20/D 1.369 (lit.)

Point d'ébullition

55-56 °C (lit.)

Pf

-110 °C

Densité

0.74 g/mL at 25 °C (lit.)

Absorption UV

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

Chaîne SMILES 

COC(C)(C)C

InChI

1S/C5H12O/c1-5(2,3)6-4/h1-4H3

Clé InChI

BZLVMXJERCGZMT-UHFFFAOYSA-N

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Catégories apparentées

Description générale

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.

Autres remarques

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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Pictogrammes

FlameExclamation mark
GHS02,GHS07

Mention d'avertissement

Danger

Mentions de danger

H225,H315

Classification des risques

Flam. Liq. 2 - Skin Irrit. 2

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 1

Point d'éclair (°F)

-18.4 °F - closed cup

Point d'éclair (°C)

-28 °C - closed cup

Certificats d'analyse (COA)

Recherchez un Certificats d'analyse (COA) en saisissant le numéro de lot du produit. Les numéros de lot figurent sur l'étiquette du produit après les mots "Lot" ou "Batch".

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tert-Butyl méthyl éther Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1560

tert-Butyl méthyl éther

Shigeo Takashima et al.
Scientific reports, 10(1), 12988-12988 (2020-08-02)
Fatty acids (FAs) are the central components of life: they constitute biological membranes in the form of lipid, act as signaling molecules, and are used as energy sources. FAs are classified according to their chain lengths and the number and
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
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.
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