Melting point :-19 °C (lit.)
Boiling point :144 °C (lit.)
Density :0.957 g/mL at 25 °C (lit.)
vapor density :3.2 (vs air)
vapor pressure :4.4 mm Hg ( 20 °C)
refractive index :n20/D 1.504(lit.)
Flash point :97 °F
storage temp. :Flammables area
solubility :alcohol: miscible(lit.)
form :Liquid
pka :5.68(at 20℃)
color :Clear yellow
Odor :Unpleasant
PH :10 (100g/l, H2O, 20℃)
explosive limit :1.3-8.7%(V)
Water Solubility :soluble
Merck :14,7401
BRN :1366
Dielectric constant :11.1
Stability :Stable. Flammable. Hygroscopic. Incompatible with oxidizing agents.
InChIKey :ITQTTZVARXURQS-UHFFFAOYSA-N
LogP :1.2 at 20℃
CAS DataBase Reference :108-99-6(CAS DataBase Reference)
IARC :3 (Vol. 122) 2019
NIST Chemistry Reference :Pyridine, 3-methyl-(108-99-6)
EPA Substance Registry System :3-Methylpyridine (108-99-6)

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 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
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.