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Key Documents

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:
1736101
MDL number:
UNSPSC Code:
12352112
EC Index Number:
203-924-4
NACRES:
NA.22

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

Signal Word

Danger

Hazard Statements

Hazard Classifications

Flam. Liq. 3 - Repr. 1B

Supplementary Hazards

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

134.6 °F - closed cup

Flash Point(C)

57 °C - closed cup


Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

EU REACH SVHC Candidate List

CAS No.

EU REACH Annex XIV (Authorisation List)

CAS No.

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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