Quick Product Information

Product NameSodium pyrithione (SPT)
CAS Number3811-73-2
Chemical FormulaC5H4NNaOS
Supply OriginChina
DocumentsCOA / SDS / TDS / Specification available upon request
InquiryRequest Quotation →

Product Overview

Sodium pyrithione (SPT) is the sodium salt of pyrithione (2-mercaptopyridine-1-oxide), a broad-spectrum biocide with strong antimicrobial activity against bacteria and fungi at low concentrations. It is used as an antidandruff active, a preservative in water-based coatings, and an antimicrobial additive for plastics and textiles. SUNCHEM supports international buyers with Sodium pyrithione (SPT) sourcing from qualified Chinese producers, with quality documentation, export coordination, and logistics support.

Applications & Uses

  • Antidandruff shampoo active ingredient
  • Water-based paint and coating preservative
  • Antimicrobial additive in plastics
  • Textile and fiber antimicrobial treatment
  • Industrial water biocide
  • Personal care product preservative
  • Biofouling inhibitor in industrial systems

Why Source Sodium pyrithione (SPT) Through SUNCHEM?

Sodium pyrithione (SPT) sourcing requires careful verification of manufacturers, compliance with export documentation, and proper logistics management. SUNCHEM supports global customers by connecting them with qualified Chinese producers and managing the key steps from sourcing to shipment.

Qualified Producer Selection

We help customers identify suitable Chinese manufacturers based on product specifications, production scale, quality records, and export capability.

Quality & Document Support

We coordinate documents including COA, MSDS, TDS, product specifications, and other export-related documents required for international trade.

Export & Logistics Coordination

SUNCHEM works with experienced logistics partners to ensure safe and compliant shipment arrangements, including proper handling for regulated materials.

Flexible Sourcing Solutions

Whether you require regular commercial supply, trial orders, or long-term procurement support, we match suitable supply sources to your requirements.

Long-Term Supply Management

We help manage supplier communication, quality follow-up, shipment schedules, and supply chain stability.

Ready to Source Sodium pyrithione (SPT) from China?

Send us your required purity, quantity, destination port, and documentation needs. Our team will respond with quotation details and available product documents.

Basic Info

Chemical Synonym(s)2-Pyridinethiol, 1-oxide, sodium salt (8CI,9CI);Sodium, (2-pyridylthio)-, N-oxide (7CI);1-Oxo-2-pyridinethiol sodium salt;2-Mercaptopyridine N-oxide sodium salt;2-Pyridylthiol-N-oxide sodium salt;Sodium 2-mercaptopyridine 1-oxide;Sodium pyridine-1-oxide-2-thiolate;Sodium pyrithione;Thione (reagent);2-Pyridinethiol,1-oxide, sodium salt (1:1);
CAS Number3811-73-2
Chemical Formula

C5H4NNaOS

Characteristics

Density1.22 g/cm3
Melting Point-25 °C
Boiling Point253.8 °C at 760 mmHg
Flash Point107.3 °C
Solubility54.7 g/100 mL
Appearanceclear solution
Risk Codes22-36/37/38-36/38
Safety26-36-24/25-37/39

Frequently Asked Questions

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