Melting point :8-8.5 °C (lit.)
Boiling point :207-209 °C (lit.)
Density :1.161 g/mL at 25 °C (lit.)
vapor pressure :32.2Pa at 25℃
refractive index :n20/D 1.512(lit.)
Flash point :180 °F
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :Chloroform, Ethyl Acetate
form :Liquid
pka :pK1:3.26(＋1) (25°C)
Specific Gravity :1.001
color :Clear orange to brown
Water Solubility :Slightly soluble in water.
BRN :114618
LogP :0.464 at 25℃
CAS DataBase Reference :2459-09-8(CAS DataBase Reference)
NIST Chemistry Reference :Pyridine-4-carboxylic acid, methyl ester(2459-09-8)
EPA Substance Registry System :4-Pyridinecarboxylic acid, methyl ester (2459-09-8)

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.