DEHYDROACETIC ACID

What official classifications and rules say for each group. A classification describes the hazard of the pure substance, not the risk of a product that contains it, which depends on the dose and the exposure.

Prohibition or serious classificationThe text prohibits the substance for this use, or ranks it among the most serious hazards (known or presumed carcinogenic, mutagenic or reprotoxic, identified endocrine disruptor).Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.

• Pregnancy and breastfeeding

  No classification harmonised by the European Union covers reproduction, the unborn child or breastfeeding for this substance. This does not mean it has been judged to have no effect during pregnancy.

• Babies and children

  The Cosmetics Regulation sets no age-related condition for this ingredient.

• Skin, eyes and allergies

  No official classification for sensitisation, irritation or eye damage, and no obligation to label it as an allergen.

• Environment

  No official classification as hazardous to the aquatic environment and no assessment as an endocrine disruptor for the environment.

• Read on the label

  The Cosmetics Regulation requires no warning to be printed for this ingredient.

Preservative allowed under conditions

Maximum concentration

0.6% (as acid)

Other conditions

Not to be used in aerosol dispensers (sprays)

Entry

Annex V, No 13

Substance

3-Acetyl-6-methylpyran-2,4(3H)-dione and its salts

Glossary names

Dehydroacetic acid / SODIUM DEHYDROACETATE

CAS

520-45-6 / 4418-26-2 / 16807-48-0

EC

208-293-9 / 224-580-1 / -

Identity

CosIng identifier

33185

CAS (according to CosIng)

16807-48-0, 520-45-6, 771-03-9

EC (according to CosIng)

208-293-9, 212-227-4

Declared functions

Preservative

Wikidata

Q920725

ECHAEuropean Chemicals Agency. InfoCard

100.007.541

CosIng cites 3 CAS numbers for this name: it covers several substances.

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

Neither carcinogenic, mutagenic nor toxic for reproduction under the harmonised classification

Hazard classes

Acute toxicity, category 4 (Acute Tox. 4)

Hazard statements

H302

United Kingdom (Great Britain)

• Preservative allowed under conditions (Annex V)

Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

South Korea

• Restricted: 데하이드로아세틱애씨드(3-아세틸-6-메칠피란-2,4(3H)-디온) 및 그 염류

  별표 2, 보존제 성분 (preservatives), entry 2, page 1. Limit: 데하이드로아세틱 애씨드로서 0.6%.

  Conditions, source text, in Korean

  비고: 에어로졸(스프레 이에 한함) 제품에는 사용금지 | 화학물질명: 데하이드로아세틱애씨드 (CAS No. 16807-48-0 / 520-45-6) | 화학물질명: 소듐데하이드로아세테이트 (CAS No. 4418-26-2)

Brazil

• Allowed under conditions: Ácido dehidroacético e seus sais (DEHYDROACETIC ACID/ SODIUM DEHYDROACETATE)

  RDC 528/2021, Anexo (allowed preservatives), entry 12, page 3. Limit: 0.6% (expresso como ácido).

  Conditions, source text, in Portuguese

  LIMITAÇÕES: Proibido em sistemas pulverizáveis (como aerossóis e sprays).

457 recorded products list it, according to Open Beauty Facts contributors. Records are dated: the formula may have changed. See the list (in French).