| Density | 1.159 (20 c) |
| Practically Insoluble | in water |
| Very Soluble | in ethanol, propanol, ccl4 |
| Boiling Point | 0.20% max (High Boiling Point) |
| Content | 0.07% max (Aniline) |
| Reaction Test | Neutral (Water) |
| Boiling Point | 0.30% max (Low Boiling Point) |
| Appearance | White, Light Yellow or brown particle |
| Purity | 99.70% min (Diphenylamine) |
| Freezing Point (ยฐC) | 52.60 min |
| Moisture | 0.2% max |
| Vapor Pressure | 1 mm hg (108.3 c) |
| Odor | floral odor |
| Melting Point | 52.9 c |
| Molecular weight | 169.24 |
| Color | discolors in light |
| Flash Point | (cc) 153 c |
| Solubility | benzene, ether, glac. acetic acid, cs2, oxygenated and aromatic solvs. |
| Chemical Structure |  |
| Notes | Diphenylamine (DPA) is a chemical widely used as an antioxidant for lubricants, propellants. It is also an important intermediate in the dye, agrochemical, pharmaceutical, and rubber and plastic additive industries. |
| Class | Synthetic Rubber Ingredients, Toxic Release Inventory (TRI) Chemicals |