Melting point :31.33°C (estimate)
Boiling point :80-81 °C/8 mmHg (lit.)
Density :0.911 g/mL at 25 °C (lit.)
refractive index :n20/D 1.493(lit.)
Flash point :174 °F
form :clear liquid
pka :5.56±0.10(Predicted)
color :Colorless to Light yellow to Light orange
LogP :2.868 (est)
CAS DataBase Reference :539-32-2(CAS DataBase Reference)
EPA Substance Registry System :3-Butylpyridine (539-32-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.