Piperidine

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)

refractive index :

n20/D 1.452(lit.)

FEMA :

2908 | PIPERIDINE

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).

appearance:

Colorless liquid

pka:

11.123(at 25℃)

PH:

12.6 (100g/l, H2O, 20°C)

Odor:

at 1.00 % in propylene glycol. heavy sweet floral 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.

Symbol(GHS) 

GHS02,GHS05,GHS06

Signal word 

Danger

Hazard statements 

H225-H302-H311+H331-H314

Precautionary statements 

P210-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338