Select Your Region
Sodium PYRION™ 40% is a water-soluble form of sodium pyrithione antimicrobial agent used in water-based functional fluids and coatings to protect against microorganisms.
Sodium PYRION™ 40% is an aqueous solution of sodium pyrithione (also called pyrithione sodium, NaPT or NaP) that is highly effective against a broad spectrum of bacteria, fungi, and algae. Sodium pyrithione is stable at high temperatures and low leaching for long-lasting protection. Sodium PYRION™ 40% is approved for use in water-based fluids such as metalworking fluids, hydraulic lubricants, industrial lubricants, and water-based latex paints. Sodium pyrithione can be used in low dosages to reduce treatment costs, and can be used in post-treatment or metalworking fluid concentrates.
CAS number: 3811-73-2
Appearance: Clear, yellow-brown liquid
Specific density: 1.10–1.24 g/ml
pH value : 1.19–1.241 g/ml
Molecular weight: 149.15
Thermal stability: 250°C
Chemical name: Pyridine-2-thiol 1-oxide, sodium salt
Primary Chemistry: Sodium pyrithione
Broad-spectrum antimicrobial activity
Low treat rate
Low-leach for long-term protection
Thermally stable
Ease of application in aqueous form
Bacterial, fungal, and algal growth
High treat rate
Ineffective and short-term antimicrobial protection
Difficulty solubilizing pyrithione in water
Metalworking and lubricating fluids
Metalworking and lubricating fluid concentrates
Latex emulsions for adhesives, caulks, patching compounds, sealants, pastes and grouts
Aqueous synthetic fiber lubricants/spin finishes
Water-based inks
Laundry rinse additives
Laundry detergents
Carpet cleaners
Floor and surface cleaners
Concrete mixtures
Analytical and diagnostic reagents
Gypsum wallboard
Carrageenan-based gels
Leather preservation
Janssen PMP offers several solutions to microbial growth in paints and coatings using their zinc and sodium pyrithione additive technology.
Water-based and semi-synthetic metalworking coolants can be an ideal source of microbial growth and fungi formation. “Monday Morning Odors” in metal shops are a well-known and well hated phenomenon that can be avoided with a properly protected fluid. Learn how the Sodium Pyrion™ antimicrobial solutions can help keep fluids fresher and last longer.
Your document download will begin shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you for your inquiry and interest in ChemPoint.
We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
Thank you for your inquiry and interest in ChemPoint.
We will respond to you shortly.
ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
The document currently is provided in the following languages from the supplier at this time.
The document currently is provided in the following languages from the supplier at this time.
We’ve detected that you are located in a different region than the region selected on the website. Would you like to change your region?
Current Region: English - United States