Acetin

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Description

A thick, straw-color, hygroscopic liquid. The commercial product is composed of a mixture of the mono-, di- and tri-acetates that are formed by heating Glycerol with glacial Acetic acid. It is used as a solvent for basic dyes and tannins. It is also used to gelatinize smokeless powders and as a reagent in dynamite.

See also Triacetin.

Synonyms and Related Terms

monoacetin; glyceryl monoacetate; 1,2,3-propanetriol monoacetate; acetyl monoglyceride;

Risks

  • Contact causes irritation.

Physical and Chemical Properties

Soluble in water, ethanol. Insoluble in benzene.

Composition C3H5(OH)2-O-(C=O)-CH3
CAS 26446-35-5
Density 1.206 g/ml
Molecular Weight mol. wt. = 134.13
Boiling Point 130-158 C

Resources and Citations

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993 Comment: b.p. = 130-158 C; CAS = 102-76-1
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: triacetin (#9721)
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 8; b.p. =133-153 C

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