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Merck

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
NACRES:
NA.22
PubChem Substance ID:
329747574
eCl@ss:
39021026
UNSPSC Code:
12352100
EC Number:
211-309-7
MDL number:
MFCD00009225
Beilstein/REAXYS Number:
1731469
Assay:
≥97.0% (GC)
Form:
liquid

Key Documents

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Product Name

tert-Butyl ethyl ether, purum, ≥97.0% (GC)

InChI key

NUMQCACRALPSHD-UHFFFAOYSA-N

InChI

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

SMILES string

CCOC(C)(C)C

vapor pressure

155 mmHg ( 25 °C)

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

Quality Level

100

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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

signalword

Danger

hcodes

H225,H336

Hazard Classifications

Flam. Liq. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

-2.2 °F - closed cup

flash_point_c

-19 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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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)
Akihiro Hagiwara et al.
Toxicology, 289(2-3), 160-166 (2011-08-26)
The modifying potential of ethyl tertiary-butyl ether (ETBE) on tumor development was investigated in a medium-term multi-organ carcinogenesis bioassay using male F344 rats. Animals were sequentially given 5 carcinogens with different target sites in the first 4 weeks for multi-organ
Ann de Peyster et al.
Toxicology letters, 190(1), 74-80 (2009-07-15)
These experiments were conducted to follow up on a report of testis seminiferous tubular degeneration in Fischer 344 rats treated with high doses of ethyl t-butyl ether (ETBE). Also, high doses of a related compound, methyl t-butyl ether (MTBE), had
Zuquan Weng et al.
Industrial health, 49(3), 396-399 (2011-03-05)
To clarify the genotoxicity of ethyl tertiary butyl ether (ETBE), a gasoline additive, male and female C57BL/6 mice of Aldh2+/+ and Aldh2-/- genotypes, aged 8 wk, were exposed to 0, 500, 1,750, or 5,000 ppm ETBE for 6 h/day, 5
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