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296082

Sigma-Aldrich

Diethyl ether

contains 1 ppm BHT as inhibitor, anhydrous, ≥99.7%

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Synonym(s):
DEE, Ether, Ethyl ether
Linear Formula:
(CH3CH2)2O
CAS Number:
Molecular Weight:
74.12
Beilstein:
1696894
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

2.6 (vs air)

vapor pressure

28.66 psi ( 55 °C)
8.56 psi ( 20 °C)

Assay

≥99.7%

form

liquid

autoignition temp.

320 °F

contains

1 ppm BHT as inhibitor

expl. lim.

36.5 %

impurities

<0.003% water
<0.005% water (100 mL pkg)

evapn. residue

<0.0003%

color

colorless

refractive index

n20/D 1.3530 (lit.)

bp

34.6 °C (lit.)
34.6 °C

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
67381167684532203
Diethyl ether contains 1&#160;ppm BHT as inhibitor, anhydrous, &#8805;99.7%

Sigma-Aldrich

296082

Diethyl ether

-
Diethyl ether anhydrous, ACS reagent, &#8805;99.0%, contains BHT as inhibitor

Sigma-Aldrich

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Diethyl ether

Essential Grade
Diethyl ether ACS reagent, &#8805;98.0%, contains &#8804;2% ethanol and &#8804;10ppm BHT as inhibitor

Sigma-Aldrich

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Diethyl ether

Essential Grade
Diethyl ether contains BHT as inhibitor, puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., &#8805;99.8% (GC)

Sigma-Aldrich

32203

Diethyl ether

Essential Grade
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

28.66 psi ( 55 °C), 8.56 psi ( 20 °C)

vapor pressure

28.5 psi ( 55 °C), 8.38 psi ( 20 °C)

vapor pressure

-

assay

≥99.7%

assay

≥99.0%

assay

≥98.0%

assay

≥99.8% (GC)

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 highly volatile and flammable organic solvent. On storing for a long time, DEE can form organic peroxides, which can be suppressed by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT scavenges the free radicals required for the peroxide formation.

Application

Diethyl ether has been used as a solvent for the preparation of 3-formyl-2,2,5,5-tetramethyl-1-oxy-pyrroline from 3-(N-methoxy-N-methylcarbamoyl)-2,2,5,5-tetramethyl-1-oxy-pyrroline using DIBAL.

Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - 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 - closed cup

Flash Point(C)

-40 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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