... M.W.: 611. 77 Min order:1mts Sodium Hexametaphosphate(SHMP/FCC IV) Chemical formula: (NaPO3)6 M.W.: ... is 2.484(20Deg. C), easily soluble in water, but not on organic solution, absorbent to dampness, ... Cu and Fe; It is a fine agent for water treatment. Application: For food grade, it is mainly ... instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care ...