Synonyms : zinc bis(pyridine-2-thiol) di-1-oxide; zinc bis(1,2-dihydro-2-thioxo-1-pyridyl) dioxide; Zinc Omadine; 1-hydroxypyridine-2-thione zinc CAS No.:13463-41-7 Molecular formula: C10H8N2O2S2Zn Molecular weight: 317.4 Appearance : Off-white or pale-yellow solid Purity: ≥ 98.0% Melting point: 244-248oCdec PH value: 6-9 Residue: 22-27% Use: Antiseptic,such as in antidandruff shampoo,antifoulant of paint Stability : content unchanged for two years avoiding light Packing : 50kg/drum Storage : Store in a tightly closed container, in a cool, dry area avoiding light.