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24004-M

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:
60-29-7
Molecular Weight:
74.12
Beilstein:
1696894
EC Number:
200-467-2
MDL number:
MFCD00011646
UNSPSC Code:
12352112
PubChem Substance ID:
329752538
NACRES:
NA.21

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)

grade

puriss.

Assay

≥99.5% (GC)

form

liquid

autoignition temp.

320 °F

quality

meets analytical specification of Ph. Eur., BP

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 can be used as a solvent:
  • In the catalytic depolymerization of alkali lignin to yield monomeric phenolic compounds.
  • To synthesize aziridines via aza-Darzens reaction.
  • In the catalytic hydrogenation of aldehydes to alcohols.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H224,H302,H336

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

EUH019,EUH066

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-40.0 °F - closed cup

Flash Point(C)

-40.00 °C - closed cup

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Certificates of Analysis (COA)

Lot/Batch Number
STBL4627
STBL4424
STBL4263
STBL4063
STBL3657

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Catalytic depolymerization of alkali lignin in subcritical water: influence of formic acid and Pd/C catalyst on the yields of liquid monomeric aromatic products
Onwudili J, et al.
Green Chemistry, 16, 4740-4748 (2014)
Asymmetric aziridine synthesis by aza-Darzens reaction of N-diphenylphosphinylimines with chiral enolates. Part 1: Formation of cis-aziridines
Sweeney J, et al.
Tetrahedron, 62, 3681-3693 (2006)
A study on the catalytic hydrogenation of aldehydes using mayenite as active support for palladium
Proto A, et al.
Catalysis Communications, 68, 41-45 (2015)
K H Young et al.
Journal of clinical microbiology, 10(6), 852-853 (1979-12-01)
Ethyl acetate appears to be a satisfactory subsitute solvent for diethyl ether in the Formalin-ether sedimentation technique. In comparative studies, concentration of organisms with ethyl acetate was equal to or greater than that with diethyl ether. No distortion or alteration

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