Purity: 75% Third party test acceptable Free samples acceptable Small order acceptable Logo and Package customized COA - I Item Standard Test Result Appearance Colourless transparent solution Pass the test Assay â?¥75.0% 75.25% Density,(20â?? ) â?¥1.57 1.573 KOH â?¤0.5% 0.34% K2CO3 â?¤1% 0.5% KCl â?¤0.5% 0.1% Turbidity(NTU) â?¤9 6 PH 7-11 9.5 COA - II Item Standard Test Result Appearance Colorless transparent liquid Pass the test Specific gravity(25â??) 1.57g/cm3 1.572 g/cm3 HCOOK content 74.0% 74.18% KOH content(as OH-) 0.4% 0.2% K2CO3 (as CO32-) 1.5% 0.8% KCl(as Cl-) 0.2% 0.01% Fe 10ppm 3 ppm Ca 10 ppm Nothing detected Mg 10 ppm Nothing detected Technical Parameter Identifiers H.S. Code 29151200 CAS Number 590-29-4 EINECS Number 209-677-9 Molecular Formula HCOOK Molar Weight 84.11570g/mol Density 1.57g/cm3 Physical and Chemical Properties Storage temp. Store at +5�°C to +30�°C. Solubility dissolved in water and glycerol, slightly soluble in ethanol and insoluble in ether, clear, colorless Form Crystalline flake Color White to off-white Specific Gravity 1.57 Odor Slight formic acid odor PH 7.4(1 mM solution);7.83(10 mM solution);8.25(100 mM solution); 8.57(1000 mM solution) PH Range 7-8.5