Sodium Hexametaphosphate, SHMP, we supply all kinds of phosphate Sodium Hexametaphosphate(SHMP) Chemical formula : (NaPO3)6Molecular weight: 611. ... into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good ... a cool, dry and well-ventilated place.ApplicationUsed in industries of oil fields, paper production, textile, dyeing, petroleum, chemistry, metallurgy and ...