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Merck
CN

03202

tert-Butyl ethyl ether

purum, ≥97.0% (GC)

Synonym(s):

2-Methyl-2-ethoxypropane, ETBE, Ethyltert-butyl ether, Ethyltert-butyl oxide

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About This Item

Linear Formula:
C2H5OC(CH3)3
CAS Number:
637-92-3
Molecular Weight:
102.17
Beilstein:
1731469
EC Number:
211-309-7
MDL number:
MFCD00009225
UNSPSC Code:
12352100
eCl@ss:
39021026
PubChem Substance ID:
329747574
NACRES:
NA.22

Key Documents

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vapor pressure

155 mmHg ( 25 °C)

Quality Level

100

grade

purum

Assay

≥97.0% (GC)

form

liquid

contains

~0.01% 2,6-Di-tert-butyl-4-methlyphenol as stabilizer

refractive index

n20/D 1.375 (lit.)
n20/D 1.376

bp

72-73 °C (lit.)

mp

−97 °C (lit.)

density

0.742 g/mL at 25 °C (lit.)

functional group

ether

SMILES string

CCOC(C)(C)C

InChI

1S/C6H14O/c1-5-7-6(2,3)4/h5H2,1-4H3

InChI key

NUMQCACRALPSHD-UHFFFAOYSA-N

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Application

tert-Butyl ethyl ether (ETBE) is generally used as an antiknock additive in gasoline for the reduction of carbon monoxide and unburned hydrocarbons emission from automobile exhausts.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H336

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-2.2 °F - closed cup

Flash Point(C)

-19 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
BCCK4137
BCCF1801
BCBW3187
BCBQ9567V

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Effect of additives on the antiknock properties and Reid vapor pressure of gasoline.
Da Silva R, et al.
Fuel: The Science and Technology of Fuel and Energy, 84(7-8), 951-959 (2005)
Experimental and modeling study of the gas-phase oxidation of methyl and ethyl tertiary butyl ethers.
Glaude PA, et al.
Combustion and Flame, 121(1-2), 345-355 (2000)
Q Li et al.
International journal of immunopathology and pharmacology, 24(4), 837-847 (2012-01-11)
Ethyl tertiary-butyl ether (ETBE) is a motor fuel oxygenate used in reformulated gasoline. The current use of ETBE in gasoline or petrol is modest but increasing. To investigate the effects of ETBE on splenocytes, mice were exposed to 0 (control)
Masaaki Suzuki et al.
The Journal of toxicological sciences, 37(6), 1239-1246 (2012-12-05)
The carcinogenicity of ethyl tertiary-butyl ether (ETBE) was examined by oral administration using F344/DuCrlCrlj rats. Groups of 50 male and 50 female rats were given drinking water containing ETBE at doses of 0, 625, 2,500 or 10,000 ppm (w/w) for
Sakiko Fujii et al.
Reproductive toxicology (Elmsford, N.Y.), 30(3), 414-421 (2010-05-05)
A one-generation reproductive toxicity study was conducted to evaluate the effects of ethyl tertiary butyl ether (ETBE), a bio-fuel, on reproduction of parental rats, as well as development and growth of their offspring at dose levels of 0, 100, 300
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