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CODE:km-092 Product Name: N,N’-di(1-naphthyl)-4,4'-benzidine CAS No.: 152670-41-2 Molecular Formula:C32H24N2 Molecular Structure: Appearance: off-white powder Assay: 98%min. Moisture: 0.5% max Impurities: 0.5% max. Package: 10KG/fibre drum