What does the restriction note for UNDECYLENIC ACID mean?

The restriction field for UNDECYLENIC ACID reads: V/18. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What function does UNDECYLENIC ACID serve in cosmetics?

According to the EU CosIng inventory, UNDECYLENIC ACID carries the following function designation(s): ANTIMICROBIAL, FRAGRANCE, PRESERVATIVE, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING.

What other records share CAS 112-38-9?

CAS 112-38-9 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

InventoryRef 3882910/08/2020

UNDECYLENIC ACID

Q: How do I check if my formula contains UNDECYLENIC ACID?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

Undec-10-enoic acid; 10-Undecenoic acid

UNDECYLENIC ACID is linked to 1 EU annex record on this page. Inventory note: V/18.

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Inventory details for UNDECYLENIC ACID

INCI name

UNDECYLENIC ACID

INN name

undecylenic acid

Ph. Eur. name

acidum undecylenicum

Description

Undec-10-enoic acid; 10-Undecenoic acid

Annex records for UNDECYLENIC ACID

Annex V Restriction reference

Entry 18

UNDECYLENIC ACID / POTASSIUM UNDECYLENATE / SODIUM UNDECYLENATE / CALCIUM UNDECYLENATE / MEA-UNDECY…

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

Key data

CAS

112-38-9

203-965-8

Restriction

V/18

Function

ANTIMICROBIAL FRAGRANCE PRESERVATIVE SURFACTANT - CLEANSING SURFACTANT - EMULSIFYING

How UNDECYLENIC ACID appears in the CosIng inventory

The CosIng inventory lists UNDECYLENIC ACID as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

UNDECYLENIC ACID is also tagged with 5 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

UNDECYLENIC ACID appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for UNDECYLENIC ACID reads: "V/18". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, UNDECYLENIC ACID carries the following function designation(s):

CAS 112-38-9 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

View CAS records

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for UNDECYLENIC ACID

This page combines the CosIng inventory entry for UNDECYLENIC ACID with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research UNDECYLENIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

Check your formula

Scan a full INCI list to detect UNDECYLENIC ACID and any linked EU annex restrictions or allergen flags.

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Search similar ingredients

Find other inventory ingredients and annex entries related to UNDECYLENIC ACID, its identifiers or nearby name variants.