Water Treatment Chemicals, Phosphonates, Polymers, Biocides


Bactericide and Algicide

Tetrakis(hydroxymethyl)phosphonium sulfate(THPS)

CAS No.: 55566-30-8

Molecular Formula:  C8H24O12P2S

Molecular Weight: 406.27

Structural Formula:

THPS Structural Formula


Tetrakis(Hydroxymethyl)Phosphonium Sulfate (THPS) is a kind of environmental anti-microbial reagent. It's characterized by its low solidity point and fine stability.Tetrakis(Hydroxymethyl)Phosphonium Sulfate (THPS)can be reserved for long time and can easily dissolve in water. Tetrakis(Hydroxymethyl)Phosphonium Sulfate is a kind of new environmental pesticide with high efficacy, low toxicity and low rudimental. It can kill germ and aquatic plants. In 1995, the EPA of the United States ratified it with zero toxicity and awarded it with US Green Chemical prize.


Item index
Active Content % ≥: 75.0
Stick ability(25 C) 30.0-36.0 mPa. S
Density(25 C): 1.350-1.420
Fe(%) ≤0.002
pH: 2.5-5.0


Tetrakis(Hydroxymethyl)Phosphonium Sulfate mainly used in water treatment systems, oil field operations, and paper-making industry. The advantage is it will soon degrade to a nontoxic substance immediately after use. AlsoTetrakis(Hydroxymethyl)Phosphonium Sulfate (THPS)can be applied to fabric coating as flame retardant, obviously improving flame retarding property.

Package and Storage:

Net weight 250kg in plastic drum Keep hermetic.


Tetrakis(Hydroxymethyl)Phosphonium Sulfate (THPS)
Dodecyl Dimethyl Benzyl ammonium Chloride (Benzalkonium Chloride,1227)

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Factory Address: Qucun Town, Shizhong, Zaozhuang, Shandong, China
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