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Dehydroacetic acid



Dehydroacetic acid[1]
IUPAC name 3-acetyl-2-hydroxy-6-methyl-4-pyranone
Other names Methylacetopyronone
Biocide 470F
Abbreviations DHAA
Identifiers
CAS number 520-45-6
PubChem 10623
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

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]

References

  1. ^ a b Merck Index, 11th Edition, 2855
  2. ^ Handbook of Biocide and Preservative Use, Harold William Rossmoore, p. 341 ISBN 0751402125
 
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Dehydroacetic_acid". A list of authors is available in Wikipedia.
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