Bis(4-methyl-3-nitrophenyl)diazene 1-oxide ,its CAS NO. is 5679-89-0,the synonyms is CCRIS 4408 ; p,p'-Azoxytoluene, 3,3'-dinitro- ; 4,4'-Dimethyl-3,3'-dinitroazoxybenzene ; Diazene, bis(4-methyl-3-nitrophenyl)-, 1-oxide .