| M Formula: | Cu3P2 |
| Properties: | |
| Grayish-black, metallic powder. D 6.67. Insoluble in water and hydrochloric acid; soluble in nitric acid; insoluble in hydrochloric acid. | |
| Derivation: | |
| By heating copper and phosphorus. | |
| Hazard: | |
| Dangerous, spontaneously flammable, and toxic phosphine evolved on reaction with water. May explode when mixed with potassium nitrate. | |
| Use: | |
| Manufacturing phosphor-bronze. | |