Melting point :−15 °C(lit.)
Boiling point :157 °C(lit.)
Density :0.926 g/mL at 25 °C(lit.)
vapor pressure :2.4 mm Hg ( 20 °C)
refractive index :n20/D 1.499(lit.)
Flash point :118 °F
form :clear liquid
pka :6.4(at 25℃)
color :Colorless to Light orange to Yellow
Water Solubility :77g/L(23 ºC)
Sensitive :Hygroscopic
LogP :1.708 (est)
CAS DataBase Reference :589-93-5(CAS DataBase Reference)
NIST Chemistry Reference :Pyridine, 2,5-dimethyl-(589-93-5)
EPA Substance Registry System :2,5-Dimethylpyridine (589-93-5)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H226 Flammable liquid and vapour Flammable liquids Category 3 Warning 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
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 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.