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InventoryRef 3917402/03/2011

BUTYL UNDECENOATE

Butyl undec-10-enoate

BUTYL UNDECENOATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

Chemical identity and properties

PubChem 2D chemical structure for CAS 109-42-2
CAS 109-42-2PubChem CID 61027

Butyl 10-undecenoate

Butyl undecylenate is a fatty acid ester. ChEBI

IUPAC name
butyl undec-10-enoate
Molecular formula
C15H28O2
Molecular weight
240.38 g/mol
Exact mass
240.208930132 Da
XLogP3
5.5
Topological polar surface area
26.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
2
Covalent units
1
Defined stereocentres
0

Also known as

Butyl undecylenate10-UNDECENOIC ACID, BUTYL ESTERButyl 10-undecylenateFEMA No. 2216n-Butyl 10-undecenoateUNII-O3OKK2UWV6O3OKK2UWV6NSC 2395
16 more reported names
EINECS 203-670-4BRN 1776569AI3-05920NSC-23954-02-00-01614 (Beilstein Handbook Reference)BUTYL 10-UNDECENOATE [FHFI]RefChem:122198GRAORJFMGCQWRN-UHFFFAOYSA-Nn-BUTYL UNDECYLENATE10-UNDECENOIC ACID BUTYL ESTERFEMA 2216undec-10-enoic acid butyl esterNSC2395CHEBI:169713Tox21_302561Butyl 10-undecenoate, >=98%, FG
External database identifiers

Evidence from additional scientific databases

NIH PubChem PUG-View
Exact identifier match61027

Attributed physical-property, hazard, environmental and use annotations.

  • Note: This chemical does not meet GHS hazard criteria for 1.4% (20 of 1402) of reports. Source: European Chemicals Agency (ECHA)
  • Signal: Warning Source: European Chemicals Agency (ECHA)
  • GHS Hazard Statements: H315 (98.6%): Causes skin irritation [Warning Skin corrosion/irritation]; H319 (92.5%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] Source: European Chemicals Agency (ECHA)
  • Precautionary Statement Codes: P264, P264+P265, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, and P362+P364 (click each P-code to see the statement) Source: European Chemicals Agency (ECHA)
  • ECHA C&L Notifications Summary: Aggregated GHS information provided per 1402 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.; Reported as not meeting GHS hazard criteria per 20 of 1402 reports by companies.; There are 2 notifications provided by 1382 of 1402 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status
SourceResultChecked
NIH PubChem PUG-ViewExact match2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for BUTYL UNDECENOATE

INCI name

BUTYL UNDECENOATE

Description

Butyl undec-10-enoate

Record provenance

Inventory reference
39174
Imported identity
BUTYL UNDECENOATE
Source update
02/03/2011
European Commission CosIng source notes

Key data

Restriction
Function
PERFUMING
Used for perfume and aromatic raw materials.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How BUTYL UNDECENOATE appears in the CosIng inventory

The CosIng inventory lists BUTYL UNDECENOATE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

BUTYL UNDECENOATE is also tagged with 1 cosmetic function 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

BUTYL UNDECENOATE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, BUTYL UNDECENOATE carries the following function designation(s):

CAS 109-42-2 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for BUTYL UNDECENOATE

This page reproduces the CosIng inventory entry for BUTYL UNDECENOATE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

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

Tools & next steps

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