Compoatlas

TEA-UNDECYLENATE

Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 28459

TEA-UNDECYLENATE: Cited as an example in a rule, no rule of its own (Annex III, entry 62); preservative allowed under conditions, with limits depending on the product type (Annex V, entry 18), under Regulation (EC) No 1223/2009. Annexes of the Regulation consulted on 21 October 2026.

Who it concerns

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.

In plain words

What it is used for

Functions declared by manufacturers:

Preservative: inhibits primarily the development of micro-organisms in cosmetics.

Cleansing (surfactant): helps to keep the body surface clean.

What the rules say

This name is only cited as an example in an entry of Annex III, which covers a family of substances: the exact conditions depend on the form used.

An ingredient can be used as a preservative only if it appears on the list of Annex V. TEA-UNDECYLENATE is on it with a maximum concentration.

The text of the annexes

Allowed with restrictions

CosIng cites the name TEA-UNDECYLENATE in this entry, whose regulated name is “Trialkylamines, trialkanolamines and their salts”: the title below says which form or use it covers.

Product typeMaximum concentration
(a) Leave-on products2.5%
(b) Rinse-off productsnot set
Other conditions
- Do not use with nitrosating systems - Minimum purity: 99% - Maximum secondary amine content: 0.5% (applies to raw materials) - Maximum nitrosamine content: 50 microgram/kg - Keep in nitrite-free containers
Entry
Annex III, No 62
Substance
Trialkylamines, trialkanolamines and their salts

Preservative allowed under conditions

Maximum concentration
0.2% (as acid)
Entry
Annex V, No 18
Substance
Undec-10-enoic acid and its salts
Glossary names
UNDECYLENIC ACID / POTASSIUM UNDECYLENATE / SODIUM UNDECYLENATE / CALCIUM UNDECYLENATE / MEA-UNDECYLENATE / TEA-UNDECYLENATE
CAS
112-38-9 / 6159-41-7 / 3398-33-2 / 1322-14-1 / 84471-25-0 / 56532-40-2
EC
203-965-8 / - / 222-264-8 / 215-331-8 / 282-908-9 / 260-247-7

What has changed, and what will change

Dates of the texts that cover this ingredient. A text date may cover several substances: the details of each entry are below.

  1. Annex V, entry 18: introduced or replaced by Regulation (EC) No 1223/2009

  2. Annex V, entry 18: applies from this date

Identity

CosIng identifier
38538
CAS (according to CosIng)
84471-25-0
EC (according to CosIng)
282-908-9
Declared functions
Preservative, Surfactant: cleansing

Elsewhere in the world

Information on other jurisdictions, with no effect on sale in France. What is covered, and what is not yet.

Comparison between countries

Most restrictive status in each country, and the maximum concentration cited. The details and the source of each rule follow.

CountryRuleMaximum concentration cited
European UnionCited as an example in a rule, no rule of its own0.2%
United KingdomCited as an example in a rule, no rule of its own0.2%
SwitzerlandEU Regulation applies0.2%
United States (federal)No federal rule recordednot cited
JapanNo entry in the lists recordednot cited
South KoreaRestricted0.2%
ChinaNo entry in the lists recordednot cited
AustraliaNo entry in the lists recordednot cited
BrazilAllowed under conditions0.2%

United Kingdom (Great Britain)

  • Cited as an example in a rule, no rule of its own (Annex III)
  • 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: 운데실레닉애씨드및그염류및모 노에탄올아마이드 (TEA-UNDECYLENATE)

    별표 2, 보존제 성분 (preservatives), entry 35, page 9. Limit: 사용 후 씻어내는 제품에 산으로서 0.2%.

    Conditions, source text, in Korean

    비고: 기타 제품에는 사용금지 | 화학물질명: 운데실레닉애씨드 (CAS No. 112-38-9 / 1333-28-4) | 화학물질명: 소듐운데실레네이트 (CAS No. 3398-33-2) | 화학물질명: 포타슘운데실레네이트 (CAS No. 6159-41-7) | 화학물질명: 칼슘운데실레네이트 (CAS No. 1322-14-1) | 화학물질명: TEA-운데실레네이트 (CAS No. 84471-25-0) | 화학물질명: MEA-운데실레네이트 (CAS No. 56532-40-2)

Brazil

  • Allowed under conditions: Ácido undecanóico-10-eno (undecilênico), seus sais, ésteres, aminas e sulfosuccinato (UNDECYLENIC ACID/ POTASSIUM UNDECYLENATE/ SODIUM UNDECYLENATE/ CALCIUM UNDECYLENATE/ MEA-UNDECYLENATE/ TEA-UNDECYLENATE)

    RDC 528/2021, Anexo (allowed preservatives), entry 17, page 3. Limit: 0.2% (expresso como ácido).

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