Basic information Safety Related Supplier
Piperidine Structure

Piperidine

Chemical Properties

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)

Safety Information

Hazard Codes  T,F
Risk Statements  61-10-20/21-34-23/24-11-52-24-20/22
Safety Statements  53-16-26-36/37/39-45-27
RIDADR  UN 3286 3/PG 2
WGK Germany  3
RTECS  TM3500000
3-34
Autoignition Temperature 320 °C
TSCA  Yes
HazardClass  8
PackingGroup  I
HS Code  29333210
Hazardous Substances Data 110-89-4(Hazardous Substances Data)
Toxicity LD50 orally in rats: 0.52 ml/kg (Smyth)

MSDS

Usage And Synthesis

Preparation Products And Raw materials