| Chemistry name: | phthaloyl dichloride; phthalyl chloride |
| M Formula: | C6H4(COCl)2 |
| Properties: | |
| Colorless, oily liquid. Mp 16C, bp 277C, refr index 1.568 (20C). Decomposed by water or alcohol; soluble in ether. Combustible. | |
| Derivation: | |
| By the action of phosphorus pentachloride on phthalic anhydride. | |
| Hazard: | |
| Irritating by inhalation and skin contact. | |
| Use: | |
| Chemical intermediate, especially for plasticizers and resins; laboratory reagent. | |