Sodium Dehydroacetate

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Sodium Dehydroacetate

Sodium dehydroacetate, a white crystalline powder with a slight odor, is the sodium salt of dehydroacetic acid obtained by a synthetic process. It has antimicrobial and anti-mould activity and acts against both Gram negative and Gram positive bacteria. Its effectiveness depends a lot on the pH which must be between 5 and 6.5 and in cosmetics it is used as a preservative in most cosmetic preparations, except for spray products. It is used with a maximum concentration of 0.6%.