Definition
US FDA substance register · UNII ITL55F9I8K · registered name 2-CYCLOPENTYLCYCLOPENTANONE · single chemical substance
Cosmetic roles
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
- CAS No.chemical registry number
- 4884-24-6
- EC No.EU chemical inventory number
- 225-495-2
- DTXSIDUS EPA chemical ID
- DTXSID70863467
- DTXCIDUS EPA compound ID
- DTXCID60812085
- IUPAC
- [1,1'-Bi(cyclopentan)]-2-one
- Molecular formula
- C10H16O
- Molecular weight
- 152.237 g/mol
Measured properties
- Appearance
- liquid
- Melting/freezing point
- -13 ℃
- Initial boiling point and range
- 232.5 ℃
- Flash point
- 90.3 ℃
- Vapour pressure
- 0.106 ㎜Hg
- Water solubility
- 478.4 ㎎/ℓ
- n-Octanol/water partition coefficient (Kow)
- 2.83
- Molecular weight
- 152.24
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: KOSHA safety data sheets (Korea)
What products actually use it for
What the 4 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.
- Fragrance3
- Flavouring and nutrient1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
1 skin studies and 0 eye studies are on record.
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 1 studies
- SkinIrr2
Skin Irritation · QSAR Predicted
Source: US EPA CompTox dashboard
Linked databases 11
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata