Difference between revisions of "Acetin"
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== Description == | == 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 [ | + | 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|glycerol]] with glacial [[acetic%20acid|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 [ | + | See also [[triacetin|triacetin]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 12:56, 6 January 2014
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;
Other Properties
Soluble in water, ethanol. Insoluble in benzene.
| Composition | C3H5(OH)2-O-(C=O)-CH3 |
|---|---|
| CAS | 26446-35-5 |
| Density | 1.206 |
| Molecular Weight | mol. wt. = 134.13 |
| Boiling Point | 130-158 |
Hazards and Safety
Contact causes irritation.
Fisher Scientific: MSDS
Authority
- 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