... water, non-toxic and non-corrosive. Quality Spec.: Item SpecificationHCOOK, %, ≥96.0074.0Moisture, %, ≤0.5 Appearancewhite crystal colorless transparent liquid KOH ... , %, ≤0.50.3K2CO3, %, ≤1.00.5KCL, %, ≤0.50.5Specific wt. (g/cm3)20oC, ≥/1.57Use ...