5-hexen-2-one is a ketone.
Definition
5-hexen-2-one is a ketone.
Source: PubChem
US FDA substance register · UNII XWM6RL9YEI · registered name 5-HEXEN-2-ONE · 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
5-HEXEN-2-ONEINCI
- CAS No.chemical registry number
- 109-49-9
- EC No.EU chemical inventory number
- 203-675-1
- DTXSIDUS EPA chemical ID
- DTXSID0059372
- DTXCIDUS EPA compound ID
- DTXCID5033125
- IUPAC
- Hex-5-en-2-one
- Molecular formula
- C6H10O
- Molecular weight
- 98.145 g/mol
Measured properties
- Appearance
- liquid
- Colour
- colourless
- Initial boiling point and range
- 130 ℃
- Flash point
- 24 ℃
- Vapour pressure
- 21.3 ㎜Hg (25)
- Relative density
- 0.84
- n-Octanol/water partition coefficient (Kow)
- 1.02
- Molecular weight
- 98.142
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
Related literature
Linked databases 14
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem
- PubMed
- 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