Melting point :-79.5°C
Boiling point :116-117 °C (lit.)
Density :0.888 g/mL at 25 °C (lit.)
refractive index :n20/D 1.519(lit.)
Flash point :80 °F
storage temp. :2-8°C
solubility :Insoluble[in water]
solubility :Chloroform (Slightly), Ethanol (Slightly)
form :clear liquid
color :Colorless to Light orange to Yellow
Water Solubility :insoluble
BRN :506066
Dielectric constant :2.54
LogP :2.630
CAS DataBase Reference :544-25-2(CAS DataBase Reference)
NIST Chemistry Reference :1,3,5-Cycloheptatriene(544-25-2)
EPA Substance Registry System :1,3,5-Cycloheptatriene (544-25-2)

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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.