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24004

Sigma-Aldrich

Diethyl ether

puriss., contains ~5 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer, meets analytical specification of Ph. Eur., BP, ≥99.5% (GC)

Synonym(s):
Ethyl ether, Ether
Linear Formula:
(CH3CH2)2O
CAS Number:
Molecular Weight:
74.12
Beilstein:
1696894
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.07

Quality Level

vapor density

2.6 (vs air)

grade

puriss.

assay

≥99.5% (GC)

form

liquid

autoignition temp.

320 °F

contains

~5 mg/L 2,6-di-tert.-butyl-4-methylphenol as stabilizer

expl. lim.

36.5 %

impurities

acidic reac. Impurities, in accordance
aldehydes, in accordance
residual solvents, in accordance
≤0.0002% peroxides (as H2O2)
≤0.002% free acid (as CH3COOH)
≤0.002% non-volatile matter
≤0.2% water (Karl Fischer)

refractive index

n20/D 1.3530 (lit.)

bp

34.6 °C (lit.)

mp

−116 °C (lit.)

density

0.706 g/mL at 25 °C (lit.)

SMILES string

CCOCC

InChI

1S/C4H10O/c1-3-5-4-2/h3-4H2,1-2H3

InChI key

RTZKZFJDLAIYFH-UHFFFAOYSA-N

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Application

Diethyl ether may be employed as a solvent for the conversion of secondary alcohols into ketones.

Other Notes

The article number 24004-4X2.5L-R will be discontinued. Please order the single bottle 24004-2.5L-R which is physically identical with the same exact specifications.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Flam. Liq. 1 - STOT SE 3

Target Organs

Central nervous system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK Germany

WGK 1

Flash Point(F)

-40.0 °F - closed cup

Flash Point(C)

-40 °C - closed cup

Certificate of Analysis

Certificate of Origin

Diels-Alder reactions in ionic liquids. A safe recyclable alternative to lithium perchlorate-diethyl ether mixtures.
Earle MJ, et al.
Green Chemistry, 1(1), 23-25 (1999)
Diethyl ether (DEE) as a renewable diesel fuel.
Bailey B, et al.
No. 972978. SAE technical paper (1997)
Oxidation of secondary alcohols in diethyl ether with aqueous chromic acid. Convenient procedure for the preparation of ketones in high epimeric purity.
Brown HC, et al.
The Journal of Organic Chemistry, 36(3), 387-390 (1971)
Eagleson M.
Concise Encyclopedia Chemistry, 471-471 (1994)
Alessandra Forni et al.
Journal of molecular graphics & modelling, 38, 31-39 (2012-10-23)
The solvent effect on the I⋯O halogen bonding in complexes of iodobenzene derivatives with formaldehyde has been investigated by systematically varying the substituents on the iodobenzene ring. Calculations have been performed at MP2 and DFT levels of theory, using the...

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