Product: 2:6 Dichlorophenol Indophenol Sodium Salt C.A.S. No.: 620-45-1 M.F. : C12H5Cl2NNaO22H2O M.W.: 326.11gm/mole Specifications: Solubility 0.1% ((50% EtOH +2ml Na2CO3) = Clear solution Absorption maximum (50% EtOH +2ml Na2CO3) ?max= 640-645nm Absorptivity (A1%/1cm, in 50% EtOH +2ml Na2CO3), at ?max = >700 Interfering dyes test (according to ACS) = Passes test Loss On Drying (110�°C) =