520-45-6

CAS Nr.:

520-45-6

3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione

EINECS Name:

3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione

208-293-9

EINECS Nr.:

208-293-9

Dehydracetsäure / Dehydroessigsäure / DHA / 3-Acetyl-2-hydroxy-6-methyl-4H-pyran-4-on

Synonym:

Dehydracetsäure / Dehydroessigsäure / DHA / 3-Acetyl-2-hydroxy-6-methyl-4H-pyran-4-on

Dehydroacetic acid, also known as DHA, is a white to slightly yellow crystalline powder. It has a molar mass of 168.15 g/mol and a melting point of about 151-153 °C. DHA is slightly soluble in water and shows good solubility in organic solvents such as ethanol and acetone. It possesses high stability and is known for its antimicrobial properties, making it an important raw material in various industrial applications.

Applications of Dehydroacetic acid

Dehydroacetic acid is widely used as a preservative in the food and cosmetics industries. Thanks to its antimicrobial properties, it prevents the growth of bacteria and mold in products like food, beverages, and cosmetic formulations. This extends the shelf life of the products and ensures their safety and quality.

In agriculture, Dehydroacetic acid is used as a fungicide. It is applied to protect plants from fungal infections that can impair growth and yields. The fungicidal properties of DHA help maintain plant health and support agriculture in producing high-quality crops.

In the pharmaceutical industry, DHA is used in the production of medications and active ingredients. Due to its chemical stability and antimicrobial properties, it serves as an important component in various pharmaceutical formulations. It is used in eye drops, creams, and ointments, among others, to enhance their shelf life and efficacy.

In the plastics industry, Dehydroacetic acid is used as a stabilizer. It helps improve the thermal stability of plastics and prevents their degradation during processing. This results in better quality and durability of the final products, which are used in various applications such as packaging, household items, and technical components.

Dehydroacetic acid is an extremely versatile chemical raw material with a wide range of applications. Its excellent physical properties, such as high stability and antimicrobial effects, make it an indispensable component in the food, cosmetics, pharmaceutical, and plastics industries. The diverse uses and the ability to enhance the quality and shelf life of products underscore the importance of DHA in modern industrial processes.