Title: Triethylene Glycol
CAS Registry Number: 112-27-6
CAS Name: 2,2¢-[1,2-Ethanediylbis(oxy)]bisethanol
Additional Names: 2,2¢-ethylenedioxybis(ethanol)
Molecular Formula: C6H14O4
Molecular Weight: 150.17
Percent Composition: C 47.99%, H 9.40%, O 42.62%
Literature References: Prepd from ethylene oxide and ethylene glycol in the presence of sulfuric acid: Matignon et al., Bull. Soc. Chim. [5] 1, 1308 (1934). Manuf by forming ether-ester of HOCH2COOH with glycol and then hydrogenating: Gresham, US 2654786 (1953 to du Pont). Toxicity data: Stenger et al., Arzneim.-Forsch. 18, 1536 (1968).
Properties: Colorless, hygroscopic, practically odorless liquid. d415 1.1274; bp 285°; bp14 165°. mp -7.2°. Viscosity at 20°: 47.8 cP; nD15 1.4578. Misc with water, alcohol, benzene, toluene; sparingly sol in ether. Practically insol in petr ether. LD50 in mice, rats (g/kg): 21, 15-22 orally; 7.3-9.5, 11.7 i.v. (Stenger).
Melting point: mp -7.2°
Boiling point: bp 285°; bp14 165°
Index of refraction: nD15 1.4578
Density: d415 1.1274
Toxicity data: LD50 in mice, rats (g/kg): 21, 15-22 orally; 7.3-9.5, 11.7 i.v. (Stenger)
Use: In various plastics to increase pliability; in air disinfection. |