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443808

Sigma-Aldrich

ter-butil metil etere

ACS reagent, ≥99.0%

Sinonimo/i:

MTBE, Metil ter-butil etere

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About This Item

Formula condensata:
(CH3)3COCH3
Numero CAS:
1634-04-4
Peso molecolare:
88.15
Beilstein:
1730942
Numero CE:
216-653-1
Numero MDL:
MFCD00008812
Codice UNSPSC:
12352112
ID PubChem:
329756503
NACRES:
NA.07
Prezzi e disponibilità al momento non sono disponibili

Grado

ACS reagent

Livello qualitativo

200

Densità del vapore

3.1 (vs air)

Tensione di vapore

4.05 psi

Saggio

≥99.0%

Stato

liquid

Temp. autoaccensione

705 °F

Limite di esplosione

15.1 %

dilution

(for analytical testing)

Impurezze

≤0.05% water
<1 ppm H2O2

Residuo dopo evaporazione

≤0.001%

Colore

APHA: ≤10

Indice di rifrazione

n20/D 1.369 (lit.)

P. ebollizione

55-56 °C (lit.)

Punto di fusione

-110 °C

Densità

0.74 g/mL at 25 °C (lit.)

applicazioni

microbiology

Stringa SMILE

COC(C)(C)C

InChI

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

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Categorie correlate

Descrizione generale

tert-Butyl methyl ether (methyl tert-butyl ether, MTBE) is a gasoline additive. Its oxidative degradation by propane-oxidizing bacterial strains has been tested.[1] Kinetics of its heat-mediated biodegradation has been investigated under various reaction conditions. Its biodegradation followed a pseudo-first-order decay model and its pseudo-first-order rate constants were evaluated.[2] Its extraction from water has been proposed by employing an organic polymeric compound, Nafion.[3] MTBE can be synthesized by acid-catalyzed reaction between methanol and isobutene.[4] A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by stopped-flow method.[5] This solvent meets ACS (American Chemical Society) specifications and can be used for processes requiring strict quality conditions such as analytical testing.

Applicazioni

tert-Butyl methyl ether (methyl tert-butyl ether, MTBE) may be used:
  • As sole carbon and energy source in a mixed microbial consortium.[6]
  • To extract lipids from biological fluids for shotgun profiling.[7]
  • To synthesize fatty acid methyl esters (FAMEs) and glycerol tert-butyl ether by transesterification of canola oil in the absence of catalyst under supercritical condition.[8]

Pittogrammi

FlameExclamation mark
GHS02,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H225,H315

Classi di pericolo

Flam. Liq. 2 - Skin Irrit. 2

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

-18.4 °F - closed cup

Punto d’infiammabilità (°C)

-28 °C - closed cup

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Certificati d'analisi (COA)

Lot/Batch Number
SHBS5295
SHBR4954
SHBR5646
SHBS1482
MKCW2896

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Sigma-Aldrich

D65100

Diclorometano

ter-butil metil etere analytical standard

Supelco

08603

ter-butil metil etere

ter-butil metil etere Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

PHR1560

ter-butil metil etere

Removal of methyl tert-butyl ether (MTBE) with Nafion.
Lien HL and Zhang WX
Journal of Hazardous Materials, 144(1), 194-199 (2007)
Lipid extraction by methyl-tert-butyl ether for high-throughput lipidomics.
Matyash V, et al.
Journal of Lipid Research, 49(5), 1137-1146 (2008)
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)
Eagleson M.
Concise Encyclopedia Chemistry, 154-154 (1994)
J R Hanson et al.
Applied and environmental microbiology, 65(11), 4788-4792 (1999-11-05)
A bacterial strain, PM1, which is able to utilize methyl tert-butyl ether (MTBE) as its sole carbon and energy source, was isolated from a mixed microbial consortium in a compost biofilter capable of degrading MTBE. Initial linear rates of MTBE
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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