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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

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Synonym(s):
Et2O, Ethoxyethane, Ether, Ethyl ether
Linear Formula:
(CH3CH2)2O
CAS Number:
Molecular Weight:
74.12
Beilstein/REAXYS Number:
1696894
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.07

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

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

-40.0 °F - closed cup

flash_point_c

-40 °C - closed cup


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