Melting point :-50 °C
Boiling point :79-82 °C29 mm Hg(lit.)
Density :0.975 g/mL at 25 °C(lit.)
vapor pressure :10 mm Hg ( 44.5 °C)
refractive index :n20/D 1.549(lit.)
Flash point :116 °F
storage temp. :Store at -20°C.
solubility :27g/l
form :Liquid
pka :pK1:4.98(+1) (25°C)
color :Clear brown
PH :8 (100g/l, H2O, 20℃)
explosive limit :1.3-10.7%(V)
Water Solubility :2.5 g/100 mL (20 ºC)
BRN :104505
Stability :Unstable; may be stabilized with a small amount of ter-butyl catechol. Heat sensitive - store cold. Flammable. Incompatible with strong oxidizing agents, strong bases, strong acids.
InChIKey :KGIGUEBEKRSTEW-UHFFFAOYSA-N
LogP :1.54 at 25℃
CAS DataBase Reference :100-69-6(CAS DataBase Reference)
NIST Chemistry Reference :Pyridine, 2-ethenyl-(100-69-6)
EPA Substance Registry System :2-Vinylpyridine (100-69-6)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
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+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.