Sodium Pyrithione
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Product Description
Sodium Pyrithione, CAS 3811-73-2
Hosea Chem® is a premier China manufacturer and global exporter of high-purity Sodium Pyrithione (CAS 3811-73-2), also known as 2-Mercaptopyridine N-Oxide Sodium Salt. We guarantee stable bulk inventory (8,000 MT/year capacity), direct factory pricing, and worldwide shipment with full TDS, MSDS, and COA documentation.
Product Chemical Properties
Product Name: Sodium Pyrithione (2-Mercaptopyridine N-Oxide Sodium Salt)
CAS No.: 3811-73-2
Molecular Formula: C5H4NNaOS
Molecular Weight: 149.14
Appearance: Liquid from is yellow or pale yellowish-brown
Solid form is an off-white powder
Melting point: -25°C
Boiling point: 109°C
Density: 1.22 g/cm³
Solubility: Readily soluble in water and organic solvents such as ethanol
Stability: Quality remains unchanged after two years of storage protected from light.
Product Technical Specification
Liquid 40% Sodium Pyrithione
Appearance: Light yellow to dark yellow liquid
Assay (%): ≥40
pH value: 8.5-10.5
Solid 99% Sodium Pyrithione
Appearance: Off-white powder
Assay (%): ≥99
Loss on drying: ≤0.5%
PH: 8.0-9.0
Applications of Sodium Pyrithione
1. Used in anti-dandruff shampoos.
2. A chemical antimicrobial agent; key application areas include daily chemical products, adhesives, papermaking, pharmaceuticals, pesticides, leather goods, and disinfectants.
3. An industrial fungicide and antimicrobial agent characterized by high efficiency, broad-spectrum activity, low toxicity, and stability in aqueous solutions.
Packaging
Liquid 40%: 250kg/Drum
Solid 98%: 25kg/Drum
Production Capacity
8000 MT per year.
Storage Requirements
Sodium Pyrithione should be stored a cool, dry and well-ventilated place. Keep away from direct sunlight, heat sources and moisture. Seal tightly after use.