| Chemistry name: | phenylphosphinic acid |
| M Formula: | C6H5H2PO2 |
| Properties: | |
| Colorless crystals. Mp 82–84C, d 1.376 (29C). Decomposes at 200C. Stable in air. Soluble in water, alcohol, acetone; slightly soluble in ether; insoluble in benzene, hexane, CCl4. Combustible. | |
| Use: | |
| Antioxidant, intermediate for metallic-salt formation, accelerator for organic peroxide catalysts. | |