Piperine – Pu catalyst

Structural formula

Business number	027X
Molecular formula	C17H19NO3
Molecular weight	285.34
label	1-(5-(1,3-Benzodioxo-5-yl)-1-oxo-2,4-pentadienyl(-(E,E)-piperidine, 1-[5-(1,3-benzodioxol-5-yl)-1-oxo-2,4-pentadienyl]-(E,E)-Piperidine, 1-Piperoylpiperidine

Numbering system

CAS number:94-62-2

MDL number:MFCD00005839

EINECS number:202-348-0

RTECS number:TN2321500

BRN number:90741

PubChem number:24887584

Physical property data

1. Properties: white powder.

2. Density (g/mL, 20℃): Undetermined

3. Relative vapor density (g/mL, air=1): Undetermined

4. Melting point (ºC): 131-135

5. Boiling point (ºC, normal pressure): Undetermined

6. Boiling point (ºC, 10mmHg): Undetermined

7. Refractive index: Undetermined

8. Flash point (ºC): Undetermined

9. Specific rotation (º): Undetermined

10. Autoignition point or ignition temperature (ºC): Undetermined

11. Vapor pressure (mmHg, 85ºC): Undetermined

12. Saturated vapor pressure (kPa, ºC): Undetermined

13. Heat of combustion (KJ/mol): Undetermined

14. Critical temperature (ºC): Undetermined

15. Critical pressure (KPa): Undetermined

16. Log value of oil-water (octanol/water) distribution coefficient: Undetermined

17. Explosion upper limit (%, V /V): Undetermined

18. Lower explosion limit (%, V/V): Undetermined

19. Solubility: Almost insoluble in water, soluble in ethanol, benzene, acetic acid.

Toxicological data

1. Acute toxicity: Rat oral LD50: 514mg/kg

Mouse oral LD5O: 330mg/kg

Ecological data

Slightly harmful to water.

Molecular structure data

1. Molar refractive index: 82.14

2. Molar volume (cm³/mol): 235.4

3. Isotonic specific volume (90.2K ): 629.2

4. Surface tension (dyne/cm): 51.0

5. Polarizability (10-24cm3): 32.56

Compute chemical data

1. Reference value for hydrophobic parameter calculation (XlogP): None

2. Number of hydrogen bond donors: 0

3. Number of hydrogen bond acceptors: 3

4. Number of rotatable chemical bonds: 3

5. Number of tautomers: none

6. Topological molecule polar surface area 38.8

7. Number of heavy atoms: 21

8. Surface charge: 0

9. Complexity: 412

10. Number of isotope atoms: 0

11. Determine the number of atomic stereocenters: 0

12. Uncertainty principleNumber of substereocenters: 0

13. Determined number of stereocenters of chemical bonds: 2

14. Uncertain number of stereocenters of chemical bonds: 0

15 .Number of covalent bond units: 1

Properties and stability

Avoid contact with oxides.

Storage method

Stored sealed in a cool, dry place. Make sure the workspace has good ventilation. Keep away from sources of fire and store away from oxidizing agents.

Synthesis method

None

Purpose

Used as an additive for brandy to give it a spicy taste. Also used as insecticide. In addition, it is the main anticonvulsant ingredient in Chinese prescriptions for treating epilepsy (white pepper and radish). It is used as a spicy raw material in the food industry and has a bactericidal effect.