1,2,3,4-TETRACHLORONAPHTHALENE 20020-02-4 AI3-26504 CCRIS 5937 HSDB 4283 NSC 524443 Naphthalene, 1,2,3,4-tetrachloro- Napthalene, 1,2,3,4-tetrachloro- Nibren wax Seekay wax