... -16-9 Molecular Formula: Na2H2P2O7 MOLECULAR WEIGHT:221 Product Name : Sodium Acid Pyrophosphate (SAPP)Model :Food GradeProducts Introduction 1.CAS NUMBER: 7758-16 ... rapid ferment agent,quality improver in food industry.Applied to acid component of synthetic swelling agent,such as,bread,cake. Builted ... Paper Bags,or other packing may be available upon request. Sodium Acid Pyrophosphate