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673811

Sigma-Aldrich

Diethyl ether

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

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

grade

ACS reagent
anhydrous

Quality Level

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%

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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General description

Diethyl ether (DEE) is a flammable and highly volatile organic compound commonly used as a solvent in organic synthesis. DEE can generate organic peroxides when stored for a long time, which can be prevented by adding butylated hydroxytoluene (BHT) as a stabilizer. BHT scavenges the free radicals required for peroxide formation.

Application

Diethyl ether ACS grade solvent meets or exceeds the high standards of the American Chemical Society (ACS). It is ideal for most research needs and delivers replicable, publishable results.
Diethyl ether ACS grade solvent is used in:      
  • Routine chemical synthesis      
  • Drying & purification      
  • Critical labware cleaning

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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