Nonan-2-one is a methyl ketone that is nonane in which the methylene hydrogens at position 2 are replaced by an oxo group.
Definition
Nonan-2-one is a methyl ketone that is nonane in which the methylene hydrogens at position 2 are replaced by an oxo group. It has a role as a plant metabolite. It derives from a hydride of a nonane.
Source: PubChem
US FDA substance register · UNII ZE5K73YN2Z · registered name 2-NONANONE · 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
- 821-55-6
- EC No.EU chemical inventory number
- 212-480-0
- DTXSIDUS EPA chemical ID
- DTXSID2022125
- DTXCIDUS EPA compound ID
- DTXCID002125
- IUPAC
- Nonan-2-one
- Molecular formula
- C9H18O
- Molecular weight
- 142.242 g/mol
Measured properties
- Appearance
- liquid
- Melting/freezing point
- -7.5 ℃
- Initial boiling point and range
- 195.3 ℃
- Flash point
- 68 ℃
- Vapour pressure
- 2 ㎜Hg
- Water solubility
- 371 ㎎/ℓ
- Vapour density
- 4.9
- Relative density
- 0.82
- n-Octanol/water partition coefficient (Kow)
- 3.14
- Auto-ignition temperature
- 280 ℃
- Molecular weight
- 142.238
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 5 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 nutrient2
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
3 skin studies and 2 eye studies are on record.
The study conclusions largely agree (75%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 5 studies
- Severe Irritation
skin irritation: in vivo · Screening · other guideline: Modified Draize method according to - Severe Irritation
skin irritation: in vivo · Screening · other guideline: as mentioned below according to - Not likely to be sensitizing
skin sensitisation · Screening · according to other guideline: As mentioned below - Severe Irritation
eye irritation: in vivo · Screening · other guideline: as mentioned below equivalent or similar to - Severe Irritation
eye irritation: in vivo · Screening · other guideline: as mentioned below according to
Source: US EPA CompTox dashboard
Related literature
Linked databases 15
- 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
- Tlooto literature search
- 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 · Japanese