1,3,2-Dioxaphosphorinane, 2-chloro-5,5-dimethyl- 2-Chloro-5,5-dimethyl-1,3,2-dioxaphosphorinane 2428-06-0 EINECS 219-380-6 Phosphorochloridous acid, cyclic (2,2-dimethyltrimethylene) ester