Diacetin
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Description
A hygroscopic liquid composed of a mixture of isomers of glycerol diacetate. Diacetin has been used as a plasticizer in Glyptal resins and Shellac.
Synonyms and Related Terms
glyceryl diacetate; glycerol diacetate; glycerine diacetate; 1,2,3-propanetriol diacetate
Risks
- Combustible.
- Hygroscopic.
- Contact may cause irritation.
- Fisher Scientific: MSDS
Physical and Chemical Properties
Miscible with water, benzene and ethanol.
| Composition | C7H12O5 |
|---|---|
| CAS | 25395-31-7 |
| Melting Point | -30 C |
| Density | 1.184 g/ml |
| Molecular Weight | mol. wt. = 176.17 |
| Refractive Index | 1.44 |
| Boiling Point | 259 C |
Resources and Citations
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 3005; bp = 259 C
- MSDS Sheet Comment: Fisher Scientific: bp = 280 C