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Cosmetic ingredient (INCI)

Dehydroacetic Acid

Used in cosmetic products as preservative. Dehydroacetic Acid is a cyclic ketone.

Allowed preservative

EU Cosmetics Regulation (EC) No 1223/2009, Annex V/13.

Annex V/13: 0.6% (as acid) ban substances that deplete the ozone layer

The chemical behind this ingredient

Structure, properties, safety data and price information live on the chemical page.

Dehydroacetic acid chemical structure, C8H8O4, CAS 520-45-6
Dehydroacetic acid
CAS 520-45-6C8H8O4
35 suppliers
Dehydroacetic acid

IUPAC name: 3-acetyl-6-methylpyran-2,4-dione

  • 2D structure and identifiers
  • Measured and computed properties
  • GHS safety summary
  • Suppliers, prices and trade data

Dehydroacetic Acid suppliers

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Frequently asked questions

What is Dehydroacetic Acid used for in cosmetics?

Dehydroacetic Acid is used in cosmetic products as preservative. Dehydroacetic Acid is a cyclic ketone.

Is Dehydroacetic Acid restricted in cosmetics in the EU?

Dehydroacetic Acid is listed in the annexes of EU Cosmetics Regulation (EC) No 1223/2009: Annex V/13 (allowed preservative). Annex V/13: 0.6% (as acid) ban substances that deplete the ozone layer Always check the full annex entry for the conditions of use.

What is the CAS number of Dehydroacetic Acid?

Dehydroacetic Acid is listed with CAS numbers 520-45-6, 771-03-9 and 16807-48-0 and EC numbers 208-293-9 and 212-227-4.

Where can I buy Dehydroacetic Acid?

8 suppliers list Dehydroacetic acid on CompoundList. Compare them below or post a buy request with your grade and quantity.