Melting point :-57 °C
Boiling point :127 °C(lit.)
Density :0.812 g/mL at 25 °C(lit.)
vapor pressure :10 mm Hg ( 39 °C)
refractive index :n20/D 1.401(lit.)
Flash point :95 °F
storage temp. :2-8°C
solubility :Soluble in acetone, ethanol, and ether (Weast, 1986)
form :Liquid
pka :-8.30 (quoted, Riddick et al., 1986)
color :Clear colorless to light yellow
Odor :at 1.00 % in dipropylene glycol. fruity fungal meaty buttery
Odor Type :fruity
Odor Threshold :0.024ppm
Water Solubility :2 g/100 mL (20 ºC)
Merck :14,6033
BRN :1737676
Henry's Law Constant :24.4 at 37 °C (static headspace-GC, Bylaite et al., 2004)
Exposure limits :NIOSH REL: TWA 1 ppm (4 mg/m³), IDLH 1,600 ppm; OSHA PEL: TWA 100 ppm (410 mg/m³); ACGIH TLV: TWA 5 ppm, STEL 10 ppm (adopted).
Dielectric constant :14.6（15℃）
Stability :Stable. Flammable. Incompatible with oxidizing agents, strong bases, reducing agents.
InChIKey :QQZOPKMRPOGIEB-UHFFFAOYSA-N
LogP :1.380
CAS DataBase Reference :591-78-6(CAS DataBase Reference)
NIST Chemistry Reference :2-Hexanone(591-78-6)
EPA Substance Registry System :2-Hexanone (591-78-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
Precautionary statements:	P201 Obtain special instructions before use. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P308+P313 IF exposed or concerned: Get medical advice/attention.