Dehydroacetic acid (DHA)

Formula: C8H8O4
CAS No.: 520-45-6
EINECS/ELINCS No.: 208-293-9
Synonyms: INCI: Dehydroacetic acid ; 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone; 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one; 3-Acetyl-6-methyl-2,4-pyrandione; 3-acetyl-6-methyl-2H-Pyran-2,4(3H)-dione; 3-Acetyl-6-methyl-2-pyranone; Dehydroacetic acid; DHA; DHAA; Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-; 2-; 3-Acetyl-6-methyl-1-oxacyclohex-5-ene-2,4-dione; 3-Acetyl-6-methyldihydro-2,4-pyrandione; Methylacetopyronone

Dehydroacetic acid (DHA)

Dehydroacetic acid is an organic compound, pyrone derivative with a wide variety of different applications in many important key industries. Thanks to its preserving and stabilizing qualities, Dehydroacetic acid, main application is in the cosmetic and personal care industry, as well as food industry, according to local regulation. The sodium salt, sodium dehydroacetate, is often used in place of dehydroacetic acid because of its greater solubility in water.


Dehydroacetic acid as an important component in cosmetics and personal care

Dehydroacetic acid is a tasteless and odorless white powder. It has a fungicide and bactericide activity, hence it is used as a preservative agent for a wide variety of cosmetic and pharmaceutical products.

In some cases, Dehydroacetic acid may be used in combination with other chemicals, for example Phenoxylethanol and/or Benzyl alcohol to enlarge its microbiological activities spectra coverage Dehydroacetic acid has a specific action against microorganisms and prevents their growth and reproduction.

In cosmetics and personal care products, can be used in the formulation of a wide variety of applications, such as toiletries, skin care,  fragrance, make up, etc.

It is non – sensitizing and non – irritating product allowed by Natrue and COSMOS as a synthetic preservative in ecological and organic certified cosmetics. Dehydroacetic acid is available in 25kg drum nets and has a shelf life of 12 months under proper storage conditions. Deydroacetic Acid can also have industrial application. As an example it can be used in the PVC industry as stabilizers


Connect Chemicals delivers high quality Dehydroacetic acid as your prime provider for specialty chemicals

Dehydroacetic acid is a specialty chemical and as such, it’s important to rely on a provider who can provide you with quality products. Connect Chemicals has years of experience in handling specialty chemicals worldwide. We are a global organization with several facilities on three continents; Europe, North America and Asia.

In this role as an international provider, we manage to navigate the various differences in business cultures around the world with competence and ease thanks to our culturally sensitive team. We comply with highest standard requirements in regards to both the quality of our products and our safety protocols.

Our long experience enables us to use our specific knowledge and experience of the production, handling and logistics of specialty chemicals for your benefit. As such, we are your competent partner for Dehydroacetic acid and other chemical specialty products.

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Product manager

Stefano Carenzi

Phone: +39 039 6080207
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