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8.02934

Sigma-Aldrich

Diethylene glycol dimethyl ether

(stabilised) for synthesis

Synonym(s):

2-Methoxyethyl ether, Bis(2-methoxyethyl) ether, Dimethyldiglycol, ‘Diglyme’

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About This Item

Linear Formula:
(CH3OCH2CH2)2O
CAS Number:
Molecular Weight:
134.17
Beilstein/REAXYS Number:
1736101
MDL number:
UNSPSC Code:
12352112
EC Index Number:
203-924-4

vapor density

4.6 (vs air)

Quality Level

vapor pressure

3 mmHg ( 20 °C)

assay

≥99% (GC)

form

liquid

autoignition temp.

370 °F

potency

4760 mg/kg LD50, oral (Rat)

expl. lim.

17.4 %

refractive index

n20/D 1.408 (lit.)

pH

7 (20 °C)

bp

162 °C (lit.)

mp

−64 °C (lit.)

transition temp

flash point 51 °C

density

0.944 g/mL at 20 °C (lit.)
0.939 g/mL at 25 °C (lit.)

storage temp.

2-30°C

SMILES string

COCCOCCOC

InChI

1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3

InChI key

SBZXBUIDTXKZTM-UHFFFAOYSA-N

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Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.943 - 0.945
Peroxide (as H₂O₂): ≤ 0.005 %
Identity (IR): passes test

pictograms

FlameHealth hazard

signalword

Danger

Hazard Classifications

Flam. Liq. 3 - Repr. 1B

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

134.6 °F - closed cup

flash_point_c

57 °C - closed cup


Certificates of Analysis (COA)

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