11104-29-3 53469-21-9 Aroclor 1242 CCRIS 4898 Chlorierte biphenyle, chlorgehalt 42 [German] Chlorodiphenyl (42 Cl) Chlorodiphenyl (42 chlorine) Chlorodiphenyl, 42 chlorine Clorodifenili, cloro 42 [Italian] Diphenyle chlore, 42 de chlore [French] Gechloreerdedifenyl [Dutch] HSDB 6355 PCB 1242 Pcb-1242 Polychlorinated biphenyl (aroclor 1242) Polychlorobiphenyls (42 chlorine)