2-Heptylidenecyclopentanone

INCI: 2-HEPTYLIDENECYCLOPENTANONE

2-Heptylidenecyclopentanone (CAS 25677-40-1) is a cosmetic cosmetic ingredient functioning as Fragrance / Perfuming. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 25677-40-1 →

Auto-generated CPSR Part A draft with source citations
Function
Fragrance / Perfuming
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C11H18O
MW
166.26 g/mol
PubChem CID
117600
IUPAC Name
2-pentylidenecyclohexan-1-one
InChIKey
KTETXLGRNPACFS-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Not specifically restricted by FDA

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for 2-Heptylidenecyclopentanone.

Calculate MoS for your specific formulation with the MoS Calculator.

HRIPT Human Patch Test Studies

1 human repeat insult patch test aggregated from dermatological literature.

Test Type N Sensitized Dose µg/cm² NESIL µg/cm² Potency
HMT - 0 6750 - -

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 448
(EC) 2009/1223

Expanded Jurisdictional Detail

Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.

SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 448
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (2)
Jurisdiction Status Max % Product Type
CA banned - -
KR prohibited - -

Function Categories & List Membership

Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for 2-Heptylidenecyclopentanone.

Regulatory Flags

potential-allergen fragrance-component eu_banned_cosmetics eu_cosing_listed

Regulatory Lists

banned; Europe; Personal care

Australian Status

AICIS status: listed

Frequently Asked Questions

Is 2-Heptylidenecyclopentanone safe in cosmetics?

2-Heptylidenecyclopentanone has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted.

Is 2-Heptylidenecyclopentanone allowed in the EU?

2-Heptylidenecyclopentanone EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Heptylidenecyclopentanone do in cosmetics?

2-Heptylidenecyclopentanone functions as: Fragrance / Perfuming. It is classified as a cosmetic ingredient in our database. CAS number: 25677-40-1.

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