Dehydroacetic acid
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| Dehydroacetic acid[1] | |
|---|---|
 |
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| IUPAC name | 3-acetyl-2-hydroxy-6-methyl-4-pyranone |
| Other names | Methylacetopyronone Biocide 470F |
| Abbreviations | DHAA |
| Identifiers | |
| CAS number | [520-45-6] |
| PubChem | |
| SMILES | CC1=CC(=O)C(=C(O1)O)C(=O)C |
| Properties | |
| Molecular formula | C8H8O4 |
| Molar mass | 168.14672 |
| Appearance | White crystalline powder |
| Melting point |
109-111 °C (sublimes) |
| Boiling point |
269.9 °C, 543 K, 518 °F |
| Solubility in water | <0.1% |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Dehydroacetic acid is a pyrone derivative used as a fungicide and bactericide. It is used to reduce pickle bloating as a preservative for squash and strawberries.[2]
The sodium salt, sodium dehydroacetate, is often used in place of dehydroacetic acid because of its greater solubility in water.
Industrially, it is also used as a plasticizer in a variety of synthetic resins.[1]
[edit] References
- ^ a b Merck Index, 11th Edition, 2855
- ^ Handbook of Biocide and Preservative Use, Harold William Rossmoore, p. 341 ISBN 0751402125
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