... colorless crystal,efflorescent in air,easily soluble in water,but insoluble in alcohol,water solution is slightly alkaline,relative density is 1 ... fire-prevention agent for fabric,timber,and paper,also as water softening agent for boiler,food additive,buffering agent,solder, ... F. % max-----0.002Sulfate,as SO4 % max-----0.25Chloride,as Cl. % max-----0.014 High quality!! Disodium hydrogen phosphate(DSP) ...