Tribasic Lead Sulfate
White powder with sweet taste. Density - 7.01g/cm3; Melting point - 820℃. Easy to moisture absorption, slight soluble in water, insoluble in alcohol, soluble in nitric acid, hot concentrated hydrochloric acid, ammonium acetate and sodium acetate solution. Loses crystal water and change into yellow at 135℃. Change into yellow when expose to sunshine, particularly in case of moisture. Toxic black lead sulfide is generated case of sulphur. Non-flammble.