Melting point :−141 °C(lit.)
Boiling point :60 °C(lit.)
Density :0.692 g/mL at 25 °C(lit.)
vapor pressure :367 mm Hg ( 37.7 °C)
refractive index :n20/D 1.404(lit.)
Flash point :−17 °F
storage temp. :2-8°C
solubility :169mg/l
form :clear liquid
color :Colorless to Almost colorless
Specific Gravity :0.692
Odor :Powerful, diffusive, sweet, somewhat gassy-green, but the not really unpleasant odour of very poor tenacity.
explosive limit :1.2-6.1%(V)
Water Solubility :Soluble in water(0.17g/L).
BRN :1731106
InChIKey :PYGSKMBEVAICCR-UHFFFAOYSA-N
LogP :302
CAS DataBase Reference :592-42-7(CAS DataBase Reference)
EPA Substance Registry System :1,5-Hexadiene (592-42-7)

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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.