Grade	Cleaning grade	Foaming grade
Appearance	Colorless and Transparent	Colorless and Transparent
Odor	Odorless	Odorless
Purity(≥%)	99.8	99.5
Moisture(≤%)	0.002	0.005
Acidity(≤%,as HCl)	0.0001	0.0001
Evaporated Residue (≤%)	0.001	0.01