Factory supply Sodium pyrithione/SPT liquid CAS 3811-73-2

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Sodium pyrithione

Products Description

Name: Sodium pyrithione

Cas: 3811-73-2

Purity: 99%min


Basic Info:







Stock Availability

In stock

Brand Name

Look chem




Product Introduction:

Sodium pyrithione, also known as sodium pyrithione, sodium omadine, and pyrithione, has a molecular formula of C5H4NOSNa. It is an anti-fungal and antibacterial raw material product. It belongs to the pyridine derivative bactericide. Its appearance is a light yellow transparent liquid with a melting point of 250°C and a slight characteristic odor.

Sodium pyrithione is unstable to light, oxidants and strong reducing agents. Non-ionic surfactants will slightly deactivate it, and it can chelate with heavy metals.

Product Nature:

  • Boiling point: 109°C
  • Density: 1.22
  • Refractive index: 1.4825
  • Solubility: H2O:0.1Mat20°C,clear,faintlyyellow
  • Water solubility: 54.7g/100mL


Product NameSodium pyrithione
CAS No.3811-73-2
Appearance Light yellow transparent liquid
Content99% min
Shelf Life2 years
Packing1kg/bag,25kg/bag or as your requirements

Product function:

The main application areas of Sodium pyrithione include household chemicals, papermaking, medicine, pesticides and disinfectants, etc., and are deeply loved by people because of its good performance.

  1. It can be used in metal cutting fluids, rust inhibitors, latex paints, adhesives, leather products, textile products, copper paper and other fields.
  2. Sodium pyrithione can be used in various antifungal drugs, shampoos and skin care products in the pharmaceutical, chemical and other industries. It not only prevents product rot and mold, but also has the effect of relieving itching and removing dandruff.
  3. Sodium pyrithione can be used as an effective fungicide for fruit trees, peanuts, wheat, vegetables and other crops, and it is also an excellent disinfectant for silkworm moths.
  4. It can be used to prescribe disinfectants, detergents, medical broad-spectrum antifungal dermatologists and other products.
  5. Sodium pyrithione is resistant to 8 kinds of molds including Escherichia coli and Staphylococcus aureus. Five kinds of bacteria, including Bacillus citrus, Bacillus megaterium, and Pseudomonas fluorescens, as well as various yeasts such as alcohol yeast and Saccharomyces cerevisiae, all show excellent blocking properties. Killing effect.


  1. Smith, Michael B. (2013). March’s Advanced Organic Chemistry (7th ed.). Wiley. p. 246. ISBN 978-0-470-46259-1.
  2. US granted 2809971, Bernstein, Jack & Losee, Kathryn A., “Heavy-metal derivatives of 1-hydroxy-2-pyridinethiones and method of preparing same”, published 1957-10-15, assigned to Olin Mathieson
  3. Wikipedia


Pre-Sales Service

* Timely reply and 24 hours online, the professional team will provide you with the most favorable prices and high-quality products.

* The sample supports testing and inspection.

* Each batch of products will be tested to ensure that its quality meets user needs.

*Packaging can also be made according to customer requirements.

*Any inquiries will be answered by our relevant personnel within 24 hours.

*We will provide you with commercial invoice, packing list, packing list, COA, health certificate and certificate of origin if you need it. If your market has other special requirements, please let us know.


After-Sales Service

*We will monitor the logistics information in real time and will share the information with you.

* You can consult us at any time if you have any questions about the product, and we will answer you in time.

*If you have any questions about the product, you can report it to us, we will deal with it in time for you, and the product can be returned.


1. ≤50kg, we recommend express delivery, usually called DDU service;

2. ≤500kg, air transportation is generally recommended, usually called FOB, CFR or CIF service;

3.>500kg, sea freight is generally recommended, usually called FOB, CFR or CIF service;

4. For high-value products, please choose air and express to ensure the safety of the products.


Do you accept sample order?

We will make samples before mass production. After the samples are approved by the department and users, we will start mass production. During the production process, we will carry out 100% inspection, and then carry out random inspection before packaging.

How to confirm whether the product quality meets our needs before placing an order?

You can consult us to get free samples of some products, you only need to pay the freight or arrange express delivery to us and get the samples. You can send us the product specifications and requirements you need, and we will manufacture products according to your requirements.

What’s your MOQ?

Our MOQ is 1kg. But usually we can also accept a smaller quantity, such as 100g, if you need it, provided that the sample fee is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.

Learn more about us

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Sodium pyrithione