Difference between revisions of "Diacetin"
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A hygroscopic liquid composed of a mixture of isomers of glycerol diacetate. Diacetin has been used as a plasticizer in [[glyptal]] resins and [[shellac]]. | A hygroscopic liquid composed of a mixture of isomers of glycerol diacetate. Diacetin has been used as a plasticizer in [[glyptal]] resins and [[shellac]]. | ||
| − | + | [[[SliderGallery rightalign|diacetin.jpg~Chemical structure]]] | |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
glyceryl diacetate; glycerol diacetate; glycerine diacetate; 1,2,3-propanetriol diacetate | glyceryl diacetate; glycerol diacetate; glycerine diacetate; 1,2,3-propanetriol diacetate | ||
| − | [ | + | == Risks == |
| + | |||
| + | * Combustible. | ||
| + | * Hygroscopic. | ||
| + | * Contact may cause irritation. | ||
| + | * Fisher Scientific: [https://fscimage.fishersci.com/msds/80494.htm MSDS] | ||
| − | == | + | ==Physical and Chemical Properties== |
Miscible with water, benzene and ethanol. | Miscible with water, benzene and ethanol. | ||
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! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | -30 | + | | -30 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 1.184 | + | | 1.184 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
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|- | |- | ||
! scope="row"| Boiling Point | ! scope="row"| Boiling Point | ||
| − | | 259 | + | | 259 C |
|} | |} | ||
| − | == | + | ==Resources and Citations== |
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* Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | * Richard S. Lewis, ''Hawley's Condensed Chemical Dictionary'', Van Nostrand Reinhold, New York, 10th ed., 1993 | ||
Latest revision as of 13:59, 19 July 2022
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