Min. Order Reference FOB Price
100 kg US$3.68-4.18 / kg
Product Description
C.I.Direct Brown 223, CAS 76930-14-8,670.56,C30H20N6Na2O8S,Direct Brown MA Molecular Formula:C30H20N6Na2O8S Molecular Weight: 670.56 CAS Registry Number:76930-14-8 Manufacturing Methods : 4-Amino-N-(4-aminophenyl)benzamide double nitriding,first coupled with 2-Hydroxybenzoic acid , and then in ...