Crystal Violet Stain SolutionGram stain for differentiating between Gram+ and Gram- organisms using Safranin-O as a counterstain.Contains: 2% Crystal violet, certified grade, 0.8% ammonium oxalate and 20% Ethyl alcohol.bioWORLD's products are supplied for LABORATORY RESEARCH USE ONLY. The product may not be used as a drug, agricultural or pesticidal product, food additive or as a household chemical.