1,3,2-Dioxaphosphorinane, 5,5-dimethyl-2-phenoxy-, 2-oxide 5,5-Dimethyl-2-phenoxy-1,3,2-dioxaphosphorinane 2-oxide 884-89-9 EINECS 212-939-5 Phosphoric acid, phenyl (cyclic 2,2-dimethyltrimethylene) ester