Dehydroacetic Acid

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Description

Dehydroacetic acid is an organic compound which has several industrial applications. The compound is classified as a pyrone derivative. It presents as an odorless, colorless to white crystalline powder, almost insoluble in water and moderately soluble in most organic solvents. It is prepared by the base-catalysed dimerization of diketene. Useful catalysts include tertiary amines, imidazole, DABCO, and pyridine.Industrially, dehydroacetic acid has several uses which include the following: as a fungicide and bactericide. The sodium salt, sodium dehydroacetate, is often used in place of dehydroacetic acid because of its greater solubility in water. as 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. as a plasticizer in synthetic resins. as an antienzyme in toothpastes. as a precursor for dimethyl-4-pyridones. The compounds are synthesized when dehydroacetic acid is exposed to aqueous solutions containing primary amines. Formula C8H8O4 Molar mass 168.148 g/mol CAS Number 520-45-6 Purity/Grade 98% Appearence Crystals””

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