China Sodium Pyrithione wholesale supplier

  • Sodium Pyrithione
  • Sodium Pyrithione
  • Sodium Pyrithione
  • Sodium Pyrithione
  • Sodium Pyrithione
Sodium Pyrithione 40
  • SinotrustChem
  • China
  • 7-14days
  • 50mt/Month

1. SPT 40 biocide has high efficiency, broad spectrum, low toxicity and stability, which belongs to pyridine derivative class fungicide.
2. Sodium Pyrithione 40% biocide is soluble in organic solvents such as water and ethanol, solubility (mass fraction): 53% water, 19% ethanol, 12% polyethylene glycol (PEG400).
3. The optimal pH range of sodium Pyrithione 40 fungicide is 7~10, and the mass fraction of 2% aqueous solution is 8.0.
4. SPT preservatives is unstable to light, oxidant and strong reductant. It is slightly inactivated by nonionic surfactants and can chelate with heavy metals;
5. The free sample of SPT 40 emulsion could be supplied for testing before bulk order. Providing competetive price and prompt shipment.

Sodium Pyrithione 40  (SPT 40 Emulsion ) 

Cosmetic anti-dandruff shampoo raw material Sodium SPT-40 solution


Product Name: Sodium Pyrithione 40% liquid;  SPT 40 Emulsion; 

CAS No.: 3811-73-2

EINECS: 223-296-5

Molecular formula: C5H5NNaOS 

Molecular weight: 149.16

Specification: Industrial Grade, 40% solution




Yellow or light yellow brown transparent liquid



PH Value


Specific Gravity



Easily soluble in organic solvents such as water and ethanol

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① Acute oral LD50 in mice> 1000mg/kg;   ② Non-irritating to the skin;   ③ Experiment of “3-genesis” is negative.

Antiseptic and mould proofing effects:

Sodium Pyrithione 40% liquid (SPT 40) can restrain and sterilize eight moulds, including black mold,aspergillus flavus, aspergillus versicolor,penicillium citrinum, paecilomium varioti bainier,trichoderma viride,chaetomium globasum and cladosporium herbarum; five bacteria, such as E.coli, staphylococcus aureus, bacillus subtilis,bacillus megaterium and pseudomonas fluorescence as well as two yeast fungi which are distillery yeast and bakers’ yeast. Its MIC to various micro-organisms is as follows: 

Microbial name


Microbial name


Aspergillus niger


Bacillus subtilis


Aspergillus flavus


MAO spherical shell mould


Aspergillus discoloration


Bacillus megaterium


Penicillium citrinum


E. coli


Paecilomyces tenuii


Pseudomonas fluorescens


Cladosporium spp


Staphylococcus aureus


Trichoderma viride


Beer Yeast


Alcoholic yeast



Sodium Pyrithione 40% liquid is currently the most effective water-soluble industrial mildew preservative. 

SPT 40 Emulsion is widely used in the fields of daily chemicals (shampoo and hair care products),  latex paint, adhesive, leather products, textile,architectural coatings, adhesives, sealants, pesticides,  metalworking fluids,anti-rust liquidetc etc.

Sodium Pyrithione 40 (SPT) can also formulate products such as disinfectants, astringents and medical broad-spectrum antifungal dermatology drugs. At the same time, it is an effective fungicide for fruit trees, peanuts, wheat, vegetables and other crops and an excellent disinfectant for silkworm. SPT 40 fungicide and its similar products are widely used in related fields for their high efficiency, broad spectrum, and low toxicity. 


1. Although this product is low-toxic and safe to use, it should still avoid contact with mouth, eyes and skin. Please take good precautions during operation.

2. Store in a cool place away from light.

3. This product is packed in plastic drum (liquid), 25kg or 250kg.

Package: 25kg plastic drum with pallet.

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Mode of Transport:

Multiple transportation methods could be selected by customers, including Ocean Transport, Air Transport, Rail Transport and Courier Transport. Our priciple is to delivery the goods reached to customers with shortest time and ecomomic trasnport mode, safe and fast. 

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Quality Inspection Center

Sinotrust Chemical Co.Ltd strictly control goods quality, each lot must be strictly inspected by QA dept. The goods will be allowed to leave factory only after quality qualified. Meanwhile the sample for each lot will be kept in lab at least one year. When issues happened, we or the third authority party could reinspect. Before new customers issue order, free sample will be supplied for test. And we ensure the sample quality is same as bulk quality.

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Our Pre-sale serice and Customized service 

With more ten years experience in industrial biocide, preservatives and mold inhibitor, We provide comprehensive customer service from the initial consultation to the final delivery of your order. 

Before bulk order, the free sample could be arranged for customers test. And we also supply customized services, if our normal products couldn't fulfill your request. If you have special request, pls contact us timely. Thanks and looking forward to cooperate with you in the near future.

Sodium Pyrithione

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