PRODUCT 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) |
| refractive index | n |
| 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). |
| 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 |
Description and Uses
It is used in organic synthesis, especially inthe preparation of many crystalline derivativesof aromatic nitro compounds.
Safety
| 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 |
| 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 |
| F | 3-34 |
| Autoignition Temperature | 320 °C |
| TSCA | Yes |
| HazardClass | 8 |
| PackingGroup | I |
| HS Code | 29333210 |
| Toxicity | LD50 orally in rats: 0.52 ml/kg (Smyth) |
