Organic Organic Phenanthrolines Bipyridines Phenanthrolines Bipyridines 109 2,2,BIPYRIDINE, 99, 2,BIPYRIDINE, 99, BIPYRIDINE, 99, 99, REAGENT (ACS) (C5H4N)2 156.18 366,18,7 366187 18,7 36618,7 366 18 7 6.1/III 2-1-1 0.000 2,2,Bipyridyl, Reagent for the colorimetric determination of iron, Base for oxidation,reduction indicator, 15802 33.80 10 G 15803 50.30 25 G 15804 137.60 100 G 15805 0.00 1 KG 15806 0.00 5 KG 2,2'-BIPYRIDYL 2,2'-DIPYRIDYL Assay (GC-FID), 98.5% min Clarity and absorbance of solution - Pass test Sensitivity of ferrous iron - Pass test Melting point 70 C min