CAS No.: 7758-16-9 EINECS No.: 231-835-0 Model No.: CF-SAP551( First grade) / CF-SAP552( Upper grade) Molecular formula : Na2H2P2O7 Molecular weight : 221.95 Standards : Q/ 71181413-1.3-2009 Property : White powder, soluble in water, acidic property appeared in aqueous solution. Use It acts as a buffer, leaven, modifier, emulsifier, nutrient and canning preservative in foods. It also can be used in oil drilling as dispersant agent. Packing 25kg woven bag with plastic liner.