Sodium phosphate, dibasic, heptahydrate CAS NO.7782-85-6

Disodium phosphate Chemical formula Na2HPO4 Molecular weight 358.14 Properties White or colorless free-flowing granular c…

Disodium phosphate Chemical formula Na2HPO4 Molecular weight 358.14 Properties White or colorless free-flowing granular crystals,effloresscent in air,soluble in water,but non-soluble in alcohol; solution is slightly alkaline, specific gravity at 1.52,and melting point at 34.6. Application Used as fire-preventing agent for fabric ,timber,and paper; as water softener for boilers, as food additive,buffer agent to acidty,as glaze,solder,baking powder,tanning agent,and for manufacture of pyphosphate,etc. Technical specifications NO Specifications Industrial Grade Food Grade 1 Main content %≥ 98.0 98.0 2 Phosphorus pentoxide %≥ 49.0 49.0 3 PH value of 1% solution 8.5～10.0 8.5～10.0 4 Water insoluble %≤ 0.1 0.10 5 Sulfate,as SO4 %≤ 0.7 6 Heavy metal,as pb %≤ 0.001 7 Frioride,as F %≤ 0.005 8 Arsenic ，as As 0.0003