... yellowish powder, sweet taste, toxic, insoluble in water. Color changed at sunlight.It is mainly used as stabilizer for ... sweet, specific density 7.10, insoluble in water, soluble in nitric acid, soluble in chlorhydric acid, ammonium acetate and sodium acetate ... turns yellow at 135 , it turns yellow in sunlight, especially in wet condition.Quality Standard:HG2340-92.AppearanceWhite powderLead content ...