Phosphonium bromide, dissociation of, [80]
—— chloride, [65]
Phosphorus, [46]
——, distillation of white to red, [50]
——, melting point of red, [47]
——, —— —— of white, [48]
——, solubility of white and red, [47]
——, vapour pressure of white and red, [46]
Picric acid and benzene, [216]
—— ——, ethylene bromide, and β-naphthol, [256]