alpha | Angular rotation: -1 to -23° |
Boiling point | 166 °C(lit.) |
density | 0.873 g/mL at 25 °C(lit.) |
FEMA | 2845 | PEPPER, BLACK, OIL (PIPER NIGRUM L.) |
FEMA | 2851 | PEPPER, WHITE, OIL (PIPER NIGRUM L.) |
refractive index | n20/D 1.483(lit.) |
Fp | 130 °F |
optical activity | [α]20/D 25°, neat |