Compoatlas

TRANS-2-HEXENAL

Official label name (INCI name, EU glossary of cosmetic ingredient names), No 29008

TRANS-2-HEXENAL: Allowed with restrictions, with limits depending on the product type (Annex III, entry 166), under Regulation (EC) No 1223/2009.

In plain words

What it is used for

Functions declared by manufacturers:

Perfuming.

What the rules say

Allowed, with restrictions: Annex III sets a maximum concentration and the product types allowed. Ingredient lists do not give quantities, so the concentration cannot be checked on the label.

The text of the annexes

Allowed with restrictions

Entry
Annex III, No 166
Substance
trans-2-hexenal
Glossary names
TRANS-2-HEXENAL
CAS
6728-26-3
EC
229-778-1
Product type
(a) Oral products (b) Other products
Maximum concentration
(b) 0.002%
Dates in the act (3)
  • Entry into force on 15 May 2013
  • Application from 11 July 2013
    It shall apply from 11 July 2013.
  • Entry into force on 11 July 2013

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Identity

CosIng identifier
41516
CAS (according to CosIng)
6728-26-3
EC (according to CosIng)
229-778-1
Declared functions
Perfuming

Elsewhere in the world

Information on other jurisdictions. What is covered, and what is not yet.

United Kingdom (Great Britain)

  • Allowed with restrictions (Annex III)

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: 트랜스-2-헥세날 (TRANS-2-HEXENAL)

    별표 2, 기타 (other substances with limits), entry 81, page 44. Limit: 0.002%.

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.