Methylene Blue

Specifications of Methylene Blue are as follows:Chemical Formula: C16H18N3CISMolecular Weight: 319.85 gm / mole (w/o water) 373.9 with water of crystallizationChemical Name: 3,7-bis(Dimethylamino)-nazathionium chloride Tetramethylthionine chlorideCAS 61-73-4C.I No.: 52015Appearance: Dark Green CrystalerAssay (as is basis): 80 % - 85%Assay (on dry basis): 98% -101%Loss on drying: 10% -20%Solubility: Clear Blue SolutionAsh content: 1% Maximum.Residual Solvent: NilAluminium: 100 ppm Maximum.Cadmium: 1ppm Maximum.Chromium: 10ppm Maximum.Copper: 50ppm Maximum.Tin: 10 ppm Maximum.Iron: 100 ppm Maximum.Manganese: 10ppm Maximum.Mercury: Nil