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259527

Sigma-Aldrich

1,2-Dimethoxyethane

anhydrous, 99.5%, inhibitor-free

Synonym(s):
DME, mono-Glyme, Dimethylglycol, Ethylene glycol dimethyl ether, Monoglyme
Linear Formula:
CH3OCH2CH2OCH3
CAS Number:
Molecular Weight:
90.12
Beilstein:
1209237
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.21

grade

anhydrous

Quality Level

vapor density

3.1 (20 °C, vs air)

vapor pressure

48 mmHg ( 20 °C)

assay

99.5%

form

liquid

autoignition temp.

396 °F

expl. lim.

10.4 %

impurities

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

evapn. residue

<0.0005%

refractive index

n20/D 1.379 (lit.)

pH

7

bp

85 °C (lit.)

mp

−58 °C (lit.)

density

0.867 g/mL at 25 °C (lit.)

SMILES string

COCCOC

InChI

1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3

InChI key

XTHFKEDIFFGKHM-UHFFFAOYSA-N

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Application

1,2-Dimethoxyethane may be used as a solvent in the following processes:
  • Synthesis of cyclic amines from amino alcohols via direct cyclodehydration.
  • Stereoselective synthesis of trans-1,2-disubstituted alkenes from 1-phenyl-1H-tetrazol-5-yl sulfones and aldehydes in the presence of potassium or sodium hexamethyldisilazide.
  • Synthesis of adamantylideneadamantane from 2-adamantanone via reductive coupling.

Packaging

100, 12×100 mL in Sure/Seal™
1, 6×1, 2 L in Sure/Seal™
10 L in stainless steel drum

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Flam. Liq. 2 - Repr. 1B - Skin Irrit. 2

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

41.0 °F - closed cup

Flash Point(C)

5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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