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Sodium Pyrithione is a chemical compound used for its antimicrobial properties. It is commonly found in anti-dandruff shampoos and skincare products due to its ability to effectively treat scalp conditions caused by fungi and bacteria.
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CAS No. 3811-83-2

Molecular Formula: C7H5NOS

Molecular weight: 151

Structural Formula:


Product Grade:Industrial


Sodium Pyrithione, with the CAS number 3811 83 2, is a chemical compound renowned for its biocidal and fungicidal properties. It is widely utilized in various applications due to its antimicrobial effectiveness. Sodium Pyrithione is commonly used as an active ingredient in anti-dandruff shampoos and skincare products. It effectively treats scalp conditions caused by fungi and bacteria, such as dandruff and seborrheic dermatitis. As a biocide and fungicide, it works by inhibiting the growth and reproduction of microorganisms, thereby reducing their presence on the scalp or skin. Sodium Pyrithione is considered safe for use in personal care products when used according to the recommended concentrations and guidelines.


1.antimicrobial: can be used to personal care product, construction coating, adhesive, sealant, textile, leather, metal working fluid, air filter, etc.

2.medicine function: can be used to disinfector, ointment.

3.Agrochemical: fruit tree, peanut, wheat, vegetable, etc. good disinfector for silkworm, SPT and similar product has big potential market in pesticides based on high efficient, environmental friendly, low toxic characteristic.

Safety Protection:

Avoid contact with eye and skin, once contacted, flush with water.





light yellow liquid.

content %




Specific gravity


Refractive index



200L Drum, 1000L IBC or Bulk.Stored in cool and dry place.

Shelf Life:

1 year


  • Q1: What is your terms of payment?A: Small:TT 100% in advance,Credit Card.
    Large:L/C at sight,T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

  • Q2: How about your delivery time?A:Generally,it will take 15 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

  • Q3: Do you have any MOQ limit for order?A:Yes, Low MOQ, 10-100g for sample checking is available.

  • Q4: How to proceed an order for your products?A:Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly custmer confirms the samples and places deposit for order.Fourthly We arrange the production.

  • Q5: Do you test all your goods before delivery?A: Yes, we have 100% test before delivery.

  • Q6: How do you make our business long-term and good relationship?A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

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