9208. Tetraglyme

Nomenclature

CAS number: 143-24-8
2,5,8,11,14-Pentaoxapentadecane; bis[2-(2-methoxyethoxy)ethyl] ether; tetraethylene glycol dimethyl ether; dimethoxytetraethylene glycol.
C10H22O5; mol wt 222.28.
C 54.03%, H 9.98%, O 35.99%.

Description and 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).

Chemical structure

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).

Use

Solvent.