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Key Documents

24004

Sigma-Aldrich

Diethyl ether

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

Synonym(s):

Et2O, Ethoxyethane, Ether, Ethyl ether

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About This Item

Linear Formula:
(CH3CH2)2O
CAS Number:
Molecular Weight:
74.12
Beilstein:
1696894
EC Number:
MDL number:
UNSPSC Code:
12352112
PubChem Substance ID:
NACRES:
NA.07

product name

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)

vapor density

2.6 (vs air)

Quality Level

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

WGK 1

Flash Point(F)

-40.0 °F - closed cup

Flash Point(C)

-40 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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)
Eagleson M.
Concise Encyclopedia Chemistry, 471-471 (1994)
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)
Tatsuya Yoshino et al.
Organic letters, 14(16), 4290-4292 (2012-08-09)
A highly efficient total synthesis of the 11-membered cyclic aspercyclides A (1) and B (2) has been achieved by chemo- and regioselective intramolecular oxidative C-O bond formation from differently substituted diphenols.

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