1,3,2-Dioxaphosphorinane, 2,2'-((2,2-dimethyl-1,3-propanediyl)bis(oxy))bis(5,5-dimethyl-, 2,2'-dioxide 2,2'-((2,2-Dimethylpropane-1,3-diyl)bis(oxy))bis(5,5-dimethyl-1,3,2-dioxaphosphorinane) 2,2'-dioxide 70942-40-4 EINECS 275-045-4