N,N'-二苯基联苯胺 N,N-Diphenylbenzidine CAS:531-91-9 MF: C24H20N2 Appearance: White crystalline powder Assay (HPLC): 98.0%min. Moisture: 0.1% max Impurities: 0.5% max. Package: 10KG/fibre drum
武汉科美沃化工有限公司
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