Hexane-2,3-dione is an alpha-diketone that is hexane substituted by oxo groups at positions 2 and 3 respectively.
Definition
Hexane-2,3-dione is an alpha-diketone that is hexane substituted by oxo groups at positions 2 and 3 respectively. It has a role as a metabolite.
Source: PubChem
US FDA substance register · UNII 559ANR3NVS · registered name 2,3-HEXANEDIONE · 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
- 3848-24-6
- EC No.EU chemical inventory number
- 223-350-8
- DTXSIDUS EPA chemical ID
- DTXSID2047066
- DTXCIDUS EPA compound ID
- DTXCID0027066
- IUPAC
- Hexane-2,3-dione
- Molecular formula
- C6H10O2
- Molecular weight
- 114.144 g/mol
Measured properties
- Appearance
- 2,3-hexanedione is a yellow liquid. Sharp penetrating odor in high concentrations. Sweet, aromatic odor when diluted. (NTP, 1992) · yellow, oily liquid with a butter-sweet odour
- Boiling point
- 262 °F at 760 mmHg (NTP, 1992) · 128.00 °C. @ 760.00 mm Hg
- Melting point
- -30.00 °C. @ 760.00 mm Hg
- Solubility
- less than 1 mg/mL at 72 °F (NTP, 1992) · slightly
- Density
- 0.934 at 66 °F (NTP, 1992) - Less dense than water, will float · 0.930-0.950
- Melting/freezing point
- -30 ℃
- Initial boiling point and range
- 12 7~128 ℃
- Flash point
- 28 ℃
- Upper/lower flammability or explosive limits
- 5.9 / 1.2 %
- Vapour pressure
- 13000 (at 20 C)
- Relative density
- 0.937 g/cm3 (at 20 C)
- n-Octanol/water partition coefficient (Kow)
- -0.35 (est.)
- Auto-ignition temperature
- 245
- Molecular weight
- 114.15 (est.)
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 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
Linked databases 15
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- NIST Chemistry WebBook
- PubChem 2
- 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 · Chinese