Melting point :33 °C(lit.)
Boiling point :170 °C(lit.)
Density :0.986 g/mL at 25 °C(lit.)
vapor pressure :3 hPa (20 °C)
refractive index :n20/D 1.511
Flash point :114 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Slightly), Methanol (Slightly)
form :Liquid
color :Clear
Specific Gravity :0.968
Odor :Camphor-like.
explosive limit :0.8-6.3%(V)
Water Solubility :Immiscible with water.
FreezingPoint :31.5℃
Hydrolytic Sensitivity :4: no reaction with water under neutral conditions
Merck :14,2739
BRN :1904092
Dielectric constant :2.4900000000000002
Exposure limits :ACGIH: TWA 0.5 ppm; STEL 1 ppm
NIOSH: TWA 5 ppm(30 mg/m3) Stability :Stable at room temperature, but may form explosive peroxides if stored in contact with air. Incompatible with oxidizing agents. Decomposes on heating. Flammable. Mixtures of the vapour with air are explosive.
InChIKey :HECLRDQVFMWTQS-UHFFFAOYSA-N
LogP :3.300 (est)
CAS DataBase Reference :77-73-6(CAS DataBase Reference)
NIST Chemistry Reference :4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-(77-73-6)
EPA Substance Registry System :Dicyclopentadiene (77-73-6)

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 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, 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 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P273 Avoid release to the environment. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.