Melting point :-140 °C
Boiling point :60-66 °C (lit.)
Density :0.678 g/mL at 25 °C (lit.)
vapor density :3 (vs air)
vapor pressure :155 mm Hg ( 21.1 °C)
refractive index :n20/D 1.388(lit.)
Flash point :−19 °F
storage temp. :Refrigerator
solubility :Soluble in alcohol, benzene, chloroform, ether, petroleum (Weast, 1986), and many other hydrocarbons including alkenes amd alkanes.
pka :>14 (Schwarzenbach et al., 1993)
form :Liquid
color :Clear colorless
Specific Gravity :0.673
Odor :Mild, pleasant.
Odor Threshold :0.14ppm
Water Solubility :0.005 g/100 mL
BRN :1209240
Henry's Law Constant :(atm?m³/mol): 0.435 at 25 °C (Hine and Mookerjee, 1975)
Exposure limits :ACGIH TLV: TWA 30 ppm (adopted).
Dielectric constant :2.1（Ambient）
Stability :Stable. Highly flammable - note low flash point. Incompatible with strong oxidizing agents, strong acids, combustible material.
InChIKey :LIKMAJRDDDTEIG-UHFFFAOYSA-N
LogP :3.87 at 20℃
CAS DataBase Reference :592-41-6(CAS DataBase Reference)
NIST Chemistry Reference :1-Hexene(592-41-6)
EPA Substance Registry System :1-Hexene (592-41-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H304 May be fatal if swallowed and enters airways Aspiration hazard Category 1 Danger
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P331 Do NOT induce vomiting.