Sodium HexametaPhosphate (SHMP)
Chemical formula : (NaPO3)6
Molecular weight: 611.82
Standard executed: HG/2519-1993(Technical Grade)
GB1890-2005 or FCC (Food Grade)
CAS Number: 10124-56-8
White powder; Density 2.484(20℃); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.