... in alcohol, soluble in water. Hydrolyzes to orthophosphate on heating in acid medium. Hygroscopic, forms hexahydrate in ... 1.01.0PH (1% aqueous solution)--3.5-4.5Arsenic(As),ppm, ≤-33Heavy Metals (as ... ppm, ≤-2-6. Usage: Used as rapid ferment agent, quality improver in food industry. ... in a dry and ventilative warehouse; Keep away from moisture moisture and poisonous substances. Handled with care. 7758-16-9 ...