Synonyms : Sodium omadine; Sodium-2-pyridinethiol-1-oxide; 2-Mercaptopyridine-N-oxide sodium salt. CAS No.:3811-73-2 Molecular formula: C5H4NNaOS Molecular weight: 159.15 Appearance: Clear yellow solution Heavy metal: ≤ 10ppm PH value: 8.0 ~ 10.0 Assay: 40~42 % Characters: The product is a Clear yellow solution Use: Industrial preservatives, seed disinfectant, antidandruff shampoos etc Packing: 250kg/ drum or as request Storage: Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.