Definition
US FDA substance register · UNII BN3YZU63MN · registered name 2,2,5-TRIMETHYL-5-PENTYLCYCLOPENTANONE · single chemical substance
Cosmetic roles
Gives the product a scentPERFUMING
Safety & regulatory references
Not classified under Korea’s toxic-substance GHS list · existing chemical substance
More data — names, identifiers, properties, test records, literature
Names & identifiers
TRIMETHYL-PENTYLCYCLOPENTANONEINCICyclopentanone, 2,2,5-trimethyl-5-pentyl-Synonym
- CAS No.chemical registry number
- 65443-14-3
- EC No.EU chemical inventory number
- 265-779-3
- DTXSIDUS EPA chemical ID
- DTXSID9052341
- DTXCIDUS EPA compound ID
- DTXCID9030913
- IUPAC
- 2,2,5-Trimethyl-5-pentylcyclopentan-1-one
- Molecular formula
- C13H24O
- Molecular weight
- 196.334 g/mol
What products actually use it for
What the 30 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Fragrance30
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 1 eye studies are on record.
Classed as low2
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 3 studies
- Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) according to EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion) according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to OECD Guideline 406 (Skin Sensitisation) according to EU Method B.6 (Skin Sensitisation) - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Source: US EPA CompTox dashboard