| paraffin, -oil |
 |
| pentaerythritol |
 |
| pentanedione (acetyl acetone) |
 |
| perchlorethylene |
 |
| perchloric acid 1 |
 |
| petroleum ether |
 |
| phenol |
 |
| phenyl ether |
 |
| phenyl hydrazine |
 |
| phenylene diamine |
 |
| phosgene |
 |
| phosphoric acid anhydride, dry |
 |
| phosphoric acid monoester |
 |
| phosphoric acid, <45%, boiling |
 |
| phosphoric acid, conc., 23°C |
 |
| phosphoric acid, conc., boiling 1 |
 |
| phosphorus 1 |
 |
| phosphorus oxychloride, dry 1 |
 |
| phosphorus pentachloride, dry 1 |
 |
| phosphorus trichloride, dry 1 |
 |
| phthalic acid |
 |
| phthalic acid anhydride |
 |
| phthalic acid ester |
 |
| piperidine |
 |
| plasticizer |
 |
| polyacrylnitrile |
 |
| polyamide |
 |
| polybutadiene |
 |
| polybutylene terephthalate |
 |
| polyether |
 |
| potassium <350°C |
 |
| potassium dichromate, <20% |
 |
| potassium hypochlorite, <20%, 23°C |
 |
| potassium hypochlorite, <5%, boiling 1 |
 |
| potassium permanganate |
 |
| potassium salts, see salts |
 |
| propane |
 |
| propanols |
 |
| propionaldehyde |
 |
| propionic acid |
 |
| propionyl chloride, dry 1 |
 |
| propylene imine |
 |
| propylene oxide |
 |
| pyridine |
 |
| pyrrolidine |
 |