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Nile Blue A is used in the Lillie and Fullmer method for staining and discriminating between melanins and lipofuscins in paraffin sections of animal tissue. Nile blue A is also useful for staining fats and phospholipids.
N 1626 (OTTO) Nile blue sulphate Cas 3625-57-8 - used for discriminating between melanins and lipofuscins in paraffin sections of animal tissue.