Melting point :-4--2°C
Boiling point :71-73 °C/10 mmHg (lit.)
Density :1.137 g/mL at 20 °C (lit.)
vapor pressure :0.02 hPa (20 °C)
refractive index :n20/D 1.544(lit.)
Flash point :130 °F
storage temp. :Store at +2°C to +8°C.
solubility :20g/l
pka :12.05(at 30℃)
form :liquid (clear)
color :clear brown-yellow
PH :7-8 (H2O, 20℃)(saturated aqueous solution)
Water Solubility :20 g/L (20 ºC)
Sensitive :Air Sensitive
BRN :105342
InChIKey :BGUWFUQJCDRPTL-UHFFFAOYSA-N
LogP :0.12 at 30℃ and pH7
CAS DataBase Reference :872-85-5(CAS DataBase Reference)
NIST Chemistry Reference :4-Pyridinecarboxaldehyde(872-85-5)
EPA Substance Registry System :4-Pyridinecarboxaldehyde (872-85-5)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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.