Sudan Black B (6CI); 2,3-Dihydro-2,2-dimethyl-6-[(4-phenylazo-1-naphthalenyl)-azo]-1H-perimidine; 2,3-Dihydro-2,2-dimethyl-6-[[4-(phenylazo)-1- naphthyl]azo]perimidine; 6-(1-Phenylazo-4-naphthylazo)-2,3-dihydro-2,2-dimethylperimidine; AizenSOT Black 6; C.I. 26150; CerS Black BN; ChuoSudan Black 141; FSt Black HBN; Fat Black HB; Fat Black HB 01; Hexatype Black B; Lacquer BlackS; Lacquer Black VB; SC 11239; Neptune Black X 60; Nubian Black BT; Oil Black 141; Oil Black 860; Oil Black BT; Oil Black HBB; O