Triacetin

Description

Chemical structure

A colorless, oily liquid. Triacetin is used as a solvent in the manufacture of Celluloid, photographic films, basic dyes, and tannins. It is also used as a plasticizers for acetate fibers.

Synonyms and Related Terms

glycerol triacetate; 1,2,3-propanetriol triacetate; triacetyl glycerine; 1,2,3-propanetriol

Risks

• Combustible. Flash point = 138 C
• ThermoFisher: SDS

Physical and Chemical Properties

Soluble in ethanol, ether. Slightly soluble in water.

Composition	C3H5(OCOCH3)3
CAS	102-76-1
Melting Point	258-260 C
Density	1.160 g/ml
Molecular Weight	mol. wt.=218.20
Refractive Index	1.4312

Resources and Citations

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 8

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Hoechst Celanese Corporation, Dictionary of Fiber & Textile Technology (older version called Man-made Fiber and Textile Dictionary, 1965), Hoechst Celanese Corporation, Charlotte NC, 1990

• The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 9721

• Wikipedia: http://en.wikipedia.org/wiki/Triacetin (accessed Jun 6, 2006)