... .BLACKISH BROWN POWDER,100% ACID BLACK 194 (ISOLAN BLACK 2S-LD, ACID BLACK LDN)CAS NO.:61931-02-0C.I. NO ... POWDERSTRENGTH:100%CAS No.61931-02-0Other NamesISOLAN BLACK 2S-LD, ACID BLACK L-DNMFC20H12N3NaO7SPlace of OriginTianjin, China (Mainland)TypeAcid DyeUsageLeather ... .15711:1APPEARANCEBLACKISH BROWN POWDERSTRENGTH100% ACID BLACK 194 (ISOLAN BLACK 2S-LD, ACID BLACK LDN)