sodium hexametaphosphate,chemicals,SHMP, sodium hexametaphosphate,chemicals,SHMP sodium hexametaphosphate ,white powder; soluble in water but insoluble in organic solvent; it has got strong strong hygrosco. white powder, density 2.484(20oC); 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 ...