... once exposed to light, Specific gravity: 1.160 (20/20°) Boiling point:302°C, lightly dissolving in water, dissolving in ethanol, diethyl ... or brown Tablet or particleDiphenylamine,%≥99.70Low boiling point,%≤0.3High boiling point,%≤0.2Aniline,%≤0.07Freezing point,°C≥52.60Reaction of water extract substanceNeutralMoisture ...