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Ingredients
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Ingredient Dictionary

DEHYDROACETIC ACID

Korean limit
0.6%
Molecular structure

How much products actually contain

2 products state the amountmedian 0.05%

  • under 0.01% 0
  • 0.01–0.1% 2
  • 0.1–1% 0
  • 1% or more 0

Amounts are mostly stated by products named after the ingredient, so they may lean towards token amounts.

Of the products containing it, 114 list it before the 1% line and 205 after it (usually 1% or less).

Products using this ingredient

12 of 311 confirmed · likeliest to carry enough first · See all 311

Definition

Dehydroacetic Acid is the cyclic ketone that conforms to the formula:

Cosmetic roles

Stops microbes growing in the productPRESERVATIVE

Safety & regulatory references

Restricted
China · Japan · South Korea
Allowed preservative
United Kingdom

Source: MFDS (Korea) cosmetic regulatory information · EU Cosmetics Regulation · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)

Argentina · Brazil

  • Maximum concentration permitted at final product : 0.6% (expressed as acid)
  • Other limitations and requirements : Banned in sprayable systems (such as aerosols and sprays)

ASEAN

  • Maximum authorised concentration in the finished cosmetic product : 0.6% (acid)
  • Other limitations and requirements : Prohibited in aerosol dispensers (sprays)

Taiwan

  • 0.6 %

European Union

  • Maximum concentration in ready for use preparation : 0.6% (as acid)
  • Other : Not to be used in aerosol dispensers (sprays)

Source: MFDS (Korea) cosmetic regulatory information

Restriction V/13 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

Reviewed by CIR: Sodium Dehydroacetate and Dehydroacetic Acid

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Annual Review of Cosmetic Ingredient Safety Assessments - 2004/2005

Source: US Cosmetic Ingredient Review (CIR)

Reviewed by CIR: Final Report on the Safety Assessment of Sodium Dehydroacetate and Dehydroacetic Acid

Source: US Cosmetic Ingredient Review (CIR)

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name デヒドロ酢酸: 本品は、次の化学式で表される環状ケトンである。

Source: JCIA labelling names (Japan)

Names & identifiers

DEHYDROACETIC ACIDINCI데하이드로아세틱애씨드Korean label name (MFDS standard)デヒドロ酢酸Japanese labelling name
CAS No.chemical registry number
16807-48-0
CAS No.chemical registry number
520-45-6
CAS No.chemical registry number
520-45-6 / 771-03-9 / 16807-48-0
CAS No.chemical registry number
771-03-9
EC No.EU chemical inventory number
208-293-9
EC No.EU chemical inventory number
208-293-9 / 212-227-4
EC No.EU chemical inventory number
212-227-4

Measured properties

Appearance
Dry Powder · Colorless odorless solid, Highly reactive, [Hawley] White to cream-colored solid, [Merck Index] White odorless powder, [MSDSonline]
Odour
ODORLESS · Odorless
Boiling point
269.9 °C @ 760 MM HG
Melting point
109-111 °C (SUBLIMES)
Solubility
(WT/WT) 22% IN ACETONE, 18% IN BENZENE, 5% IN METHANOL, 3% IN USP ETHANOL, 3% IN CARBON TETRACHLORIDE, 5% IN ETHER, 0.7% IN N-HEPTANE, LESS THAN 0.1% IN GLYCEROL, 1.6% IN OLIVE OIL, 1.7% IN PROPYLENE GLYCOL, LESS THAN 0.1% IN WATER AT 25 °C · SOL IN ALKALIES
Stability
MODERATELY VOLATILE IN STEAM

Values measured on the substance itself, not a specification for a commercial raw material.

Source: PubChem

Related literature

Linked databases 20

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