Structural Formula Vector Image
Title: Diglyme
CAS Registry Number: 111-96-6
CAS Name: 1,1¢-Oxybis[2-methoxyethane]
Additional Names: bis(2-methoxyethyl) ether; diethylene glycol dimethyl ether
Molecular Formula: C6H14O3
Molecular Weight: 134.17
Percent Composition: C 53.71%, H 10.52%, O 35.77%
Line Formula: (CH3OCH2CH2)2O
Literature References: Prepn: Cretcher, Pittenger, J. Am. Chem. Soc. 47, 163 (1925); Gallaugher, Hibbert, ibid. 58, 813 (1936).
Properties: Liquid, bp760 162°; bp200 116°; bp35 75°; bp3 20°. d2020 0.9451. mp -68°. Flash pt (open cup) 158°F (70°C). nD20 1.4097. Miscible with water, alcohol, ether, hydrocarbon solvents.
Melting point: mp -68°
Boiling point: bp760 162°; bp200 116°; bp35 75°; bp3 20°
Flash point: Flash pt (open cup) 158°F (70°C)
Index of refraction: nD20 1.4097
Density: d2020 0.9451
Use: Solvent; reaction medium for Grignard and similar syntheses.

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