| Name | CAS No. |
| P-Chlorophenol | 106-48-9 |
| P-NITROSOTOLUENE | 623-11-0 |
| Paraffin wax | 8002-74-2 |
| Paraformaldehyde | 30525-89-4 |
| Peppermint, ext. | 84082-70-2 |
| Perchlorethylene | 127-18-4 |
| Phenacetin | 62-44-2 |
| Phenethyl alcohol | 60-12-8 |
| Phenol | 108-95-2 |
| PHENOLPHTHALEIN | 5768-87-6 |
| Phosphoric acid | 7664-38-2 |
| Phosphorus (yellow) | 12185-10-3 |
| Phosphorus pentoxide | 1314-56-3 |
| Phosphorus trichloride | 7719-12-2 |
| Phosphorus,red | 7723-14-0 |