Melting point :-11 °C
Boiling point :106 °C(lit.)
Density :0.930 g/mL at 20 °C
vapor density :3 (vs air)
vapor pressure :23 mm Hg ( 20 °C)
FEMA :2908 | PIPERIDINE
refractive index :n20/D 1.452(lit.)
Flash point :16 °C(lit.)
storage temp. :Store in dark!
solubility :miscible in water and alcohol; soluble in ether, acetone, benzene and chloroform maximum allowable concentration: not established; more toxic, irritating and volatile than pyridine (Reinhardt and Brittelli 1981).
pka :11.123(at 25℃)
PH :12.6 (100g/l, H2O, 20°C)
Odor :at 1.00 % in propylene glycol. heavy sweet floral animal
Odor Type :animal
explosive limit :1.5-10.3%(V)
Water Solubility :Miscible
Sensitive :Air Sensitive
Merck :14,7468
JECFA Number :1607
BRN :102438
Dielectric constant :5.9（20℃）
Stability :Stable. Highly flammable. Incompatible with strong oxidizing agents, strong acids, organic acids, water. Vapours may flow along surfaces to a distant source of ignition.
LogP :0.61
CAS DataBase Reference :110-89-4(CAS DataBase Reference)
NIST Chemistry Reference :Piperidine(110-89-4)
EPA Substance Registry System :Piperidine (110-89-4)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 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.