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|Preferred IUPAC name
3D model (JSmol)
|E number||E265 (preservatives)|
|Molar mass||168.15 g·mol−1|
|Melting point||109 °C; 228 °F; 382 K|
|Boiling point||270 °C; 518 °F; 543 K|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Industrially, dehydroacetic acid has several uses which include the following:
- a fungicide and bactericide. The sodium salt, sodium dehydroacetate, is often used in place of dehydroacetic acid because of its greater solubility in water.
- a food preservative to prevent pickle bloating in squash and strawberries. When used as a food additive, dehydroacetic acid is referred to using the International Numbering System for Food Additives or E number 265.
- a plasticizer in synthetic resins.
- an antienzyme in toothpastes.
- a precursor for dimethyl-4-pyridones. The compounds are synthesized when dehydroacetic acid is exposed to aqueous solutions containing primary amines.
- Merck Index, 11th Edition, 2855
- Raimund Miller, Claudio Abaecherli, Adel Said, Barry Jackson "Ketenes" in Ullmann's Encyclopedia of Industrial Chemistry, 2001, Wiley-VCH, Weinheim. doi: 10.1002/14356007.a15_063
- Clemens, Robert J.; Witzeman, J. Stewart (1993). Agreda, Victor H.; Zoeller, Joeseph R., eds. Acetic Acid and its Derivatives. New York: Marcel Dekker, Inc. p. 202. ISBN 9780824787929.
- Handbook of Biocide and Preservative Use, Harold William Rossmoore, p. 341 ISBN 0-7514-0212-5
- Cook, Denys (1963). "The Preparation, Properties, and Structure of 2,6-bis-(Alkyamino)-2,5-heptadien-4-ones". Canadian Journal of Chemistry. 41 (6): 1435–1440. doi:10.1139/v63-195.
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