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346136

Sigma-Aldrich

Diethyl ether

ACS reagent, anhydrous, ≥99.0%, contains BHT as inhibitor

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

grade

ACS reagent
anhydrous

vapor density

2.6 (vs air)

vapor pressure

28.66 psi ( 55 °C)
8.56 psi ( 20 °C)

Assay

≥99.0%

form

liquid

autoignition temp.

320 °F

contains

BHT as inhibitor

expl. lim.

36.5 %

impurities

Alcohol ( as CH3CH2OH ), passes test
≤0.0002 meq/g Titr. acid
≤0.001% Carbonyl ( as HCHO )
≤0.03% water
≤1 ppm Peroxide ( as H2O2)

evapn. residue

≤0.001%

color

APHA: ≤10

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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1 of 4

This Item
676845673811296082
Diethyl ether ACS reagent, anhydrous, ≥99.0%, contains BHT as inhibitor

Sigma-Aldrich

346136

Diethyl ether

Essential Grade
Diethyl ether ACS reagent, ≥98.0%, contains ≤2% ethanol and ≤10ppm BHT as inhibitor

Sigma-Aldrich

676845

Diethyl ether

Essential Grade
Diethyl ether anhydrous, ACS reagent, ≥99.0%, contains BHT as inhibitor

Sigma-Aldrich

673811

Diethyl ether

Essential Grade
Diethyl ether contains 1 ppm BHT as inhibitor, anhydrous, ≥99.7%

Sigma-Aldrich

296082

Diethyl ether

-
vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor density

2.6 (vs air)

vapor pressure

28.66 psi ( 55 °C), 8.56 psi ( 20 °C)

vapor pressure

28.5 psi ( 55 °C), 8.38 psi ( 20 °C)

vapor pressure

28.66 psi ( 55 °C), 8.56 psi ( 20 °C)

vapor pressure

28.66 psi ( 55 °C), 8.56 psi ( 20 °C)

assay

≥99.0%

assay

≥98.0%

assay

≥99.0%

assay

≥99.7%

form

liquid

form

liquid

form

liquid

form

liquid

autoignition temp.

320 °F

autoignition temp.

320 °F

autoignition temp.

320 °F

autoignition temp.

320 °F

General description

Diethyl ether is a versatile organic solvent used in the fields of diesel engines, agriculture, food, chemical, biological, pharmaceutical, and medical industries.

Application

Diethyl ether can be used as a solvent in the:
  • Ring-opening polymerization of ε-caprolactone to synthesize polycaprolactone.
  • Rh-catalyzed C-H allylation of amides with allyl halides to synthesize allylated amides.
  • Photochemical α-bromination of aromatic and aliphatic carbonyl compounds with N-bromosuccinimide to synthesize α-brominated ketones.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-40.0 °F

Flash Point(C)

-40 °C


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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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A μ(2)-process in the Ullmann-type C-O coupling of potassium phenolate and 4-chloropyridine was successfully performed in a combined microwave (MW) and microflow process. Selective MW absorption in a micro-fixed-bed reactor (μ-FBR) by using a supported Cu nanocatalyst resulted in an

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