4-Nitro-1,2-phenylenediamine Monohydrochloride [Sensitive reagent for the determination of Se by GC-ECD] - 1,2-DIAMNO-4-NITROBNZE HCL 5GM [TCA5081-005G-EA]
Colonial Scientific has teamed up with the industry leaders, Fisher Scientific and VWR, and now offers their entire product line. Colonial Scientific provides any part from the Fisher Scientific site with a part number.