Red 2G, is a synthetic red azo dye. It is soluble in water and slightly soluble in glycerol. Red 2G is commonly used as a food dye, imparting light red color and producing shades ranging from cherry to blood-red in various food products. However, its use has been restricted due to safety concerns. Red 2G is also used in inks, coatings, paper, crepe paper, and fine tissue. It can be used for staining in histology, although rarely.