Hexane-2,5-dione

Not to be confused with Acetylacetone.
Hexane-2,5-dione
Skeletal formula of hexane-2,5-dione
Names
Preferred IUPAC name
Hexane-2,5-dione
Other names
1,2-Diacetylethane
'α','β'-Diacetylethane
Acetonyl acetone
Diacetonyl
2,5-Dioxohexane
2,5-Diketohexane
2,5-Hexanedione
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.003.400 Edit this at Wikidata
EC Number
  • 203-738-3
RTECS number
  • MO3150000
UNII
UN number 1224
  • InChI=1S/C6H10O2/c1-5(7)3-4-6(2)8/h3-4H2,1-2H3 checkY
    Key: OJVAMHKKJGICOG-UHFFFAOYSA-N checkY
  • InChI=1/C6H10O2/c1-5(7)3-4-6(2)8/h3-4H2,1-2H3
    Key: OJVAMHKKJGICOG-UHFFFAOYAH
  • O=C(C)CCC(=O)C
Properties
C6H10O2
Molar mass 114.1438 g mol−1
Appearance colorless liquid
Density 0.973 g cm−3, liquid
Melting point −5.5 °C (22.1 °F; 267.6 K)
Boiling point 191.4 °C (376.5 °F; 464.5 K)
≥ 10 g/100 mL (22 °C)
-62.51·10−6 cm3/mol
Structure
trigonal planar at carbonyl
tetrahedral elsewhere
Hazards
GHS labelling:
GHS07: Exclamation markGHS08: Health hazard
Warning
H315, H319, H373
P260, P264, P280, P302+P352, P305+P351+P338, P314, P321, P332+P313, P337+P313, P362, P501
Flash point 78 °C (172 °F; 351 K)
Related compounds
Related diketones
 acetylacetone
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
☒N verify (what is checkY☒N ?)

2,5-Hexanedione (Acetonylacetone) is an aliphatic diketone. It is a colorless liquid.[1] In humans, it is a toxic metabolite of hexane and of 2-hexanone.

  1. ^ Cite error: The named reference OS was invoked but never defined (see the help page).