... .001 As(%)≤0.0005Properties: white or light pink single crystal is fine. Soluble in water, soluble in ethanol, heated to 200 ... different conditions, sulfur dioxide or oxygen. Density: 2.91Usage: it is one of the important micronutrient fertilizers, basal, seed, according to ... catalyst, additive reagents, salt, analysis, pharmaceutical raw materials, etc Manganese sulphate