Phosphorus Triamide, P(NH₂)₃

Phosphorus Triamide, P(NH₂)₃, is said to be formed by the action of dry ammonia on phosphorus tribromide at -70° C. It was a yellow solid which decomposed at 0° C. giving a brown substance, diphosphorus triimide, P₂(NH)₃, and was further decomposed on further heating into phosphorus, nitrogen and ammonia.