Melting point :-20--19°C
Boiling point :89 °C(lit.)
Density :0.906 g/mL at 25 °C(lit.)
vapor pressure :69 hPa (20 °C)
refractive index :n20/D 1.470(lit.)
Flash point :12 °F
storage temp. :Store below +30°C.
solubility :Chloroform (Sparingly)
form :A liquid
color :Colorless to Almost colorless
Odor :Very diffusive, gassy-piney, camphoraceous-woody odor
explosive limit :1.6-6.3%(V)
Water Solubility :Immiscible with water.
λmax :195nm(EtOH)(lit.)
BRN :506224
Stability :Volatile
InChI :1S/C7H8/c1-2-7-4-3-6(1)5-7/h1-4,6-7H,5H2/t6-,7+
InChIKey :SJYNFBVQFBRSIB-UHFFFAOYSA-N
SMILES :C1[C@H]2C=C[C@@H]1C=C2
LogP :2.67 at 25℃ and pH7
Surface tension :64.3-64.4mN/m at 900μg/L and 20.3℃
CAS DataBase Reference :121-46-0(CAS DataBase Reference)
NIST Chemistry Reference :2,5-Norbornadiene(121-46-0)
EPA Substance Registry System :2,5-Norbornadiene (121-46-0)

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 H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P 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. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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. P312 Call a POISON CENTER or doctor/physician if you feel unwell. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use … for extinction. P403+P235 Store in a well-ventilated place. Keep cool. P501 Dispose of contents/container to..…