2082-80-6 Chelex S EINECS 218-217-6 JP 318 NSC 65487 Octadecyl phosphite, (C18H37O3)3P Phosphorous acid, trioctadecyl ester Trioctadecyl phosphite Tris(octadecyl) phosphite Tris(octadecyl)phosphite Tristearyl phosphite Weston TSP