1064-48-8 12042-02-3 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-, disodium salt 3121-74-2 31258-44-3 4-Amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-2,7-naphth- alenedisulfonic acid, disodium salt 68417-62-9 83006-55-7 84842-81-9 85294-31-1 86923-11-7 ACID BLACK 1 Acid Black 10A Acid Black 10B Acid Black 10BA Acid Black 10BN Acid Black 12B Acid Black 4BN Acid Black 4BNU Acid Black BRX Acid Black BX Acid Black Base M Acid Black H Acid Black JVS Acid Blue Black Acid Blue Black 10B Acid Blue Black B Acid Blue Black BG Acid Blue Black Double 600 Acid Blue-Black Acid Brown 187 Acid Leather Blue IGW Acid Leather Dark Blue G Acid Leather Fast Blue Black G