Molecular formula:　C₃H₅NaO₂
　　Molecular weight:　96.06
　　Properties:
　　white crystal granule or crystalline powder . no smell or slight odor of propionic acid
　　Quality index:

Item	Unit	Standard value
Assay(as dry)	%	≥99.0-100.5
Loss on dry	%	≤0.0003
Fe(Fe)	%	≤0.0025
As (as As)	%	≤0.002
Heavy metals(as Pb)	%	≤17
alkalinity(as Na2CO3)	-	pass test

　　Uses:
　　Mainly used in baked products, as loosening agent, regulator, buffering agent, modifier, curing agent, intensive
　　agent, chelating agent, buffering agent, etc.
　　Packing:　25KG/ woven bag or film coated paper bag.