1.SAPP (sodium acid pyrophosphate): FOOD GRADE 2.CAS:5578-16-9

Sodium Acid Pyrophosphate (SAPP):

CAS No.: 5578-16-9

Molecular Formula: Na2H2P2O7

 

Item	Value	Unit	Index
Content (as counted by Na2H2P2O7)	95	%	Min
Water Insoluble	1.0	%	Max
PH (1% aqueous solution)	±4.0
Arsenic(As),	3	ppm	Max
Heavy Metals (as Pb),	20	ppm	Max
Fluoride(F),	50	ppm	Max

          ASPP is used as rapid ferment agent, quality improver in food industry. Applied to acid component of synthetic swelling agent, such as, bread, cake etc. 

Sodium Acid Pyrophosphate