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M14102 Sigma-Aldrich

Diethylene glycol dimethyl ether

ReagentPlus®, 99%

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

  • CAS Number 111-96-6

  • Linear Formula (CH3OCH2CH2)2O

  • Molecular Weight 134.17

  •  Beilstein/REAXYS Number 1736101

  •  EC Number 203-924-4

  •  MDL number MFCD00008503

  •  PubChem Substance ID 329817875

  •  NACRES NA.21

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Properties

Related Categories ReagentPlus, ReagentPlus Solvent Grade Products, ACS and Reagent Grade Solvents, Amber Glass Bottles, Carbon Steel Cans with NPT Threads,
Quality Level   100
vapor density   4.6 (vs air)
vapor pressure   3 mmHg ( 20 °C)
product line   ReagentPlus®
assay   99%
form   liquid
autoignition temp.   370 °F
expl. lim.   17.4 %
color   APHA: ≤10
refractive index   n20/D 1.408 (lit.)
pH   7 (20 °C)
bp   162 °C (lit.)
mp   −64 °C (lit.)
density   0.944 g/mL at 20 °C (lit.)
  0.939 g/mL at 25 °C (lit.)
SMILES string   COCCOCCOC
InChI   1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3
InChI key   SBZXBUIDTXKZTM-UHFFFAOYSA-N

Description

General description

Diethylene glycol dimethyl ether (diglyme), a hydrophilic ether, is an electron-donor solvent. Its toxicity has been assessed. The effect of complexation of diglyme with lithium trifluoromethanesulfonate on the conformation has been investigated. It is reported to enhance the ability of KF-MeOH-Al2O3 (potassium fluoride-methanol-alumina) reagent to replace halogen with methoxy groups in 5,8-dihydroxy-2,3-dichloro-1,4-naphthoquinones.

Application

Diethylene glycol dimethyl ether may be used as a solvent to form a solution of sodium pentaphosphacyclopentadienide.

Packaging

1, 4 L in glass bottle

500 mL in glass bottle

Legal Information

ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Supplemental Hazard Statements 
EUH019
RIDADR 
UN 3271 3 / PGIII
WGK Germany 
WGK 1
RTECS 
KN3339000
Flash Point(F) 
123.8 °F - closed cup
Flash Point(C) 
51 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

*Calculations provide estimated results based on Antoine's Coefficients and their associated temperature range values. Antoine's Coefficients were obtained from the National Institute of Standards an...

Peer-Reviewed Papers
15

References

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