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THPS, also known as tetrakis(hydroxymethyl)phosphonium sulfate, is a versatile biocide widely used in water treatment and oilfield applications. It effectively controls microbial growth and helps maintain the integrity of water systems.
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Product Detail

CAS No. 55566-30-8

Molecular Formula: C8H24O12P2S

Molecular Weight: 406.28

Structural Formula:


Product Grade:Industrial


An environmental friendly bactericide with good water solubility,low solidifying point,stable chemical performance,long shelf life, new-type, high-efficiency, wide-spectrum etc.It is an internationally acknowledged flame-retardants for pure cotton and polyester cotton and its flame-retarding effect can remain for a long time.

THPS, which stands for tetrakis(hydroxymethyl)phosphonium sulfate (CAS 55566 30 8), is a versatile chemical compound used as a biocide and fungicide in various industries. It is highly effective in controlling microbial growth, including bacteria and fungi. THPS finds extensive application in water treatment, where it acts as a powerful disinfectant to eliminate harmful microorganisms. It is also utilized in the oil and gas industry to prevent microbial-induced corrosion in pipelines and storage systems. Additionally, THPS is employed in the preservation of wood, textiles, and paper products. Its broad-spectrum antimicrobial properties, stability, and low toxicity make THPS a valuable solution for the control of biocidal and fungicidal activities in different industrial processes.

Safety Protection:

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





Colorless to slight yellow transparent liquid.

Active content %


Viscosity (25℃) Mpa.S

30 - 45

Fe mg/L


PH (1%solution)

2.5 - 5.5

Density(20℃) g/cm3



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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