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DEHYDROACETIC ACID

Last update on Jul 24, 2024
Dehydroacetic Acid is an organic compound primarily serving as a preservative in cosmetics and personal care industry. It fights off the growth of microorganisms such as bacteria, yeast, and mold in products, thus increasing the shelf life. It is compatible with other preservatives when combined for added efficiency - making it a versatile choice. In its raw form, Dehydroacetic Acid appears as a white crystalline powder that is odorless. Further, it is a safe ingredient and is well tolerated by most skin types. The chemical formula of Dehydroacetic Acid is C8H8O4.
CAS Number: 520-45-6 / 771-03-9 / 16807-48-0Chem/IUPAC Name: 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dioneEINECS/ELINCS No: 208-293-9 / 212-227-4 / -COSING REF No: 33185

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What is DEHYDROACETIC ACID used for?

Dehydroacetic Acid is widely used in the cosmetic industry as an effective preservative. It prevents the growth of harmful bacteria and fungi in formulations to make them last longer. This compound is commonly found in lotions, creams, shampoos, conditioners, and other water-based formulations where microbial contamination is a concern. Additionally, Dehydroacetic Acid serves as an antimicrobial agent, ensuring product safety and integrity. Its broad-spectrum efficacy, stability in various formulations, and compatibility with other preservatives make it a versatile choice for maintaining the quality and safety of cosmetic and personal care products.

Origin

Dehydroacetic Acid is synthesized through the reaction of diketene and acetic acid. Diketene, a highly reactive compound, reacts with acetic acid under controlled conditions to form Dehydroacetic Acid. This process involves careful temperature regulation and purification steps to ensure the purity of the final product. The synthesized Dehydroacetic Acid is then crystallized and dried for use in cosmetics.

What does DEHYDROACETIC ACID do in a formulation?

ANTIMICROBIAL|
PRESERVATIVE

Safety Profile

Dehydroacetic Acid is a safe ingredient when used within the recommended concentration levels of 0.6% or less. It is non-irritating and is approved by regulatory agencies around the world. However, a patch test is recommended before using any new product containing Dehydroacetic Acid. Since it has synthetic origins, it is suitable for vegan and halal formulations.

DEHYDROACETIC ACID alternatives

DEHYDROACETIC ACID technical profile

Property Values
Boiling Point 269.9°C
Melting Point 109-111°C
pH 4-6
Solubility Slightly soluble in water
Viscosity Low