Melting point :-31 °C
Boiling point :222 °C(lit.)
Density :1.019 g/mL at 25 °C(lit.)
vapor pressure :0.1 mm Hg ( 25 °C)
refractive index :n20/D 1.484(lit.)
Flash point :197 °F
storage temp. :Store below +30°C.
form :Liquid
pka :-0.44±0.20(Predicted)
Specific Gravity :1.02
color :Clear colorless to slightly yellow
Water Solubility :freely soluble
BRN :107697
Dielectric constant :26.149999999999999
CAS DataBase Reference :2591-86-8(CAS DataBase Reference)
NIST Chemistry Reference :1-Piperidinecarboxaldehyde(2591-86-8)
EPA Substance Registry System :N-Formylpiperidine (2591-86-8)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.