Melting point :4-5 °C
Boiling point :124 °C(lit.)
Density :0.838 g/mL at 25 °C(lit.)
vapor pressure :16 hPa (20 °C)
refractive index :n20/D 1.446(lit.)
Flash point :45 °F
storage temp. :Flammables area
solubility :Chloroform
pka :pK1:11.23(+1) (25°C,μ=0.5)
form :Liquid
color :Clear slightly yellow
Specific Gravity :0.838
PH :13 (100g/l, H2O, 20℃)
Water Solubility :miscible
BRN :1083
CAS DataBase Reference :626-58-4(CAS DataBase Reference)
NIST Chemistry Reference :Piperidine, 4-methyl-(626-58-4)
EPA Substance Registry System :Piperidine, 4-methyl- (626-58-4)

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. P233 Keep container tightly closed. 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.