Definition
US FDA substance register · UNII 627E92X64B · registered name METHYLCYCLOPENTENOLONE · 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
METHYLCYCLOPENTENOLONEINCI2-Cyclopenten-1-one, 2-hydroxy-3-methyl-Synonym
- CAS No.chemical registry number
- 80-71-7
- EC No.EU chemical inventory number
- 201-303-2
- DTXSIDUS EPA chemical ID
- DTXSID4035128
- DTXCIDUS EPA compound ID
- DTXCID2015128
- IUPAC
- 2-Hydroxy-3-methylcyclopent-2-en-1-one
- Molecular formula
- C6H8O2
- Molecular weight
- 112.128 g/mol
Measured properties
- Appearance
- CBI, Large Crystals
- Melting/freezing point
- 54 ℃
- Initial boiling point and range
- 242 ℃
- Flash point
- 100 ℃
- Water solubility
- 8501 ㎎/ℓ (EST)
- n-Octanol/water partition coefficient (Kow)
- 1.29 (EST)
- Molecular weight
- 112.13
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: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 52 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.
- Fragrance50
- Flavouring and nutrient2
Source: US EPA CompTox dashboard
Linked databases 13
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- 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
- Wikipedia · English · Japanese · Chinese