Min. Order Reference FOB Price
100 kg US$2.50-3.50 / kg
Product Description
Product Name: Direct Black 38 C.I. No.: 30235 CAS No.: 1937-37-7 Molecular Formula: C34H25N9Na2O7S2 Molecular Weight: 781.73 Relative Name: Direct Black BN,Direct Black BX,Direct Black EX,Direct Black RN,Direct Black BRN Direct Direct Black 38 Physical Properties and light fastness, ...