Description
Chemical Name:Dehydroacetic acid
Cas No:520-45-6
Synonyms:3-Acetyl-6-methylpyrandione-2,4
Molecular Weight:168.15
Molecular Formula:C8H8O4
Molecular Structure:
Specification:
Items | Specifications |
Melting point | 111-113 °C |
Boiling point | 270 °C |
Fp | 157°C |
PH | 4 |
Density | 1.1816 |
Appearance | White powder |
Residue on Ignition | ≦1.0% |
Arsenic | ≦3mg/kg |
Residue on Ignition | ≦1.0% |
Function:
Antibacterial effect: Dehydroacetic acid can inhibit the activity of the respiratory enzyme system and electron transfer enzyme system of microbial cells, destroy the metabolism of microorganisms, thereby achieving the purpose of inhibiting the growth and reproduction of microorganisms. It has a wide range of antibacterial effects on molds, yeasts and bacteria.
Application:
Food industry: As a food preservative, it is used in bread, cakes, fillings, fermented bean curd, pickles, beverages and other foods. It can effectively extend the shelf life of food, prevent food from spoiling and corruption due to microbial growth, and maintain the quality and taste of food.
Pharmaceutical industry: In some external medicines, dehydroacetic acid can be used as a preservative to help prevent the medicine from being contaminated by microorganisms and ensure the quality and efficacy of the medicine.
