What is the NOAEL for 2-Pentylidenecyclohexan-1-one?
2-Pentylidenecyclohexan-1-one has 8 NOAEL studies in the database. The lowest reported value is 0.4762 % via Dermal in Human. Source: NTP ICE skin sensitization.
NOAEL Data
Cosmetic Ingredient
2-Pentylidenecyclohexan-1-one
CAS 25677-40-1
2-Pentylidenecyclohexan-1-one (CAS 25677-40-1) is a chemical substance. Key regulatory status: 1 regulatory/inventory list, cosmetic ingredient cross-reference; source data from EPA ToxValDB, EPA CPDat, AICIS.
View cosmetic safety profile for 2-Heptylidenecyclopentanone →
SOURCE
NOAEL studies
NOAEL studies
8
SOURCE
Chemical inventory jurisdictions
Regulatory lists
1
SOURCE
EU CLP Annex VI
GHS signal
Not classified
Chemical Identity
CAS, identifiers, formula, and alternate names for the matched substance record.
SOURCE
DSSTox identifiers
5 fields
Name
2-Pentylidenecyclohexan-1-one
CAS Number
25677-40-1
Molecular Formula
C11H18O
InChI Key
KTETXLGRNPACFS-UHFFFAOYSA-N
Monoisotopic Mass
166.135765
Regulatory Lists
Inventory, screening, and regulatory list matches from public chemical databases.
SOURCE
EPA CPDat
1 records
| List | Keyword | Source |
|---|---|---|
| banned; Europe; Personal care | European Commission | CosIng |
NOAEL Studies
Toxicology endpoints rendered from public NOAEL study rows.
SOURCE
NOAEL studies
Showing 8 of 8 studies
| Value | Unit | Endpoint | Route | Species | Source |
|---|---|---|---|---|---|
| 0.5952 | % | Concentration, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 0.4762 | % | Concentration, one positive response | Dermal | Human | NTP ICE skin sensitization |
| YB5LR0BA4F | UNII | FDA UNII substance identifier | - | - | openFDA substances |
| 84 | % | Incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 6750 | ug/cm2 | Induction dose per skin area | Dermal | Human | NTP ICE skin sensitization |
| 401.8 | ug/cm2 | Induction dose per skin area, 5% incidence of positive responses | Dermal | Human | NTP ICE skin sensitization |
| 321.4 | ug/cm2 | Induction dose per skin area, one positive response | Dermal | Human | NTP ICE skin sensitization |
| 3 | unitless | Relative reliability score | Dermal | Human | NTP ICE skin sensitization |
Showing 8 of 8 studies
Australian Status (AICIS)
Australian industrial chemicals inventory status and applicable conditions.
SOURCE
AICIS inventory
1 records
Inventory Status
listed
Cosmetic Safety Profile
Same-CAS cosmetic ingredient record for cross-vertical context.
SOURCE
CosIng / Ingredients DB
EU Status
permitted
Max
-
Category
Fragrance
Frequently Asked Questions
What regulatory lists include 2-Pentylidenecyclohexan-1-one?
2-Pentylidenecyclohexan-1-one appears on 1 regulatory/inventory list including banned; Europe; Personal care. Source: EPA CPDat.
Is 2-Pentylidenecyclohexan-1-one used in cosmetics?
Yes, 2-Pentylidenecyclohexan-1-one is also indexed as a cosmetic ingredient under the name 2-Heptylidenecyclopentanone. View the full cosmetic safety profile on the ingredient page for detailed safety data, SCCS opinions, and regulatory status.
Where does the safety data for 2-Pentylidenecyclohexan-1-one come from?
Safety data is sourced from EPA ToxValDB, EPA CPDat, AICIS (Australian Industrial Chemicals Introduction Scheme), EPA DSSTox, CosIng / Ingredients DB. All data traces to primary regulatory sources and is updated from official government databases.
Is 2-Pentylidenecyclohexan-1-one used outside industrial chemicals?
2-Pentylidenecyclohexan-1-one also appears in cosmetics databases.