Tetraglyme
Title: Tetraglyme
CAS Registry Number: 143-24-8
CAS Name: 2,5,8,11,14-Pentaoxapentadecane
Additional Names: tetraethylene glycol dimethyl ether; dimethoxytetraethylene glycol
Molecular Formula: C10H22O5
Molecular Weight: 222.28
Percent Composition: C 54.03%, H 9.98%, O 35.99%
Line Formula: CH3O(CH2CH2O)4CH3
Literature References: Prepd from ethylene glycol methyl ether and 2,2¢-dichlorodiethyl ether: Zellhoefer, US 2111234 (1935); Ind. Eng. Chem. 29, 550 (1937). Purification: Vogel, J. Chem. Soc. 1948, 618. Toxicity study: H. F. Smyth et al., J. Ind. Hyg. Toxicol. 23, 259 (1941).
Properties: Liquid. d420 1.0087; d486 0.9514. mp -27°. bp760 275.3°; bp2 118°. nD20 1.4325. Sol in water. Misc with hydrocarbon solvents. LD50 orally in rats: 5.14 g/kg (Smyth).
Melting point: mp -27°
Boiling point: bp760 275.3°; bp2 118°
Index of refraction: nD20 1.4325
Density: d420 1.0087; d486 0.9514
Toxicity data: LD50 orally in rats: 5.14 g/kg (Smyth)
Use: Solvent.

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