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Home » Products » Flame Retardant Chemical » Textiles Flame Retardant THPC CAS 124-64-1 Tetrakis (hydroxymethyl) Phosphonium Chloride


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Textiles Flame Retardant THPC CAS 124-64-1 Tetrakis (hydroxymethyl) Phosphonium Chloride

Tetrakis(hydroxymethyl) phosphonium chloride (THPC) is a water soluble organophosphorus compound that has low toxicity, rapid breakdown in the environment, can be used as flame retardant in textile and biocides in oil and water treatment field. Tetrakis(hydroxymethyl) phosphonium chloride (THPC) is a quaternary ammonium salt that is used as a textile and leather preservative, flame retardant, and biocide. Here are some more details about THPC:

Textile and leather preservative: THPC is commonly used as a textile and leather preservative due to its ability to inhibit the growth of microorganisms such as bacteria and fungi. It is used in the textile and leather industries to prevent the growth of mold and mildew, which can cause discoloration and degradation of fabrics and leather.

Flame retardant: THPC is also used as a flame retardant for textiles and other materials. It works by releasing phosphorus-containing gases when exposed to heat, which can help suppress the spread of flames.

Biocide: THPC is effective against a wide range of microorganisms, including bacteria, fungi, and algae. It is used as a biocide in various applications, including water treatment, oil and gas production, and wood preservation.

Environmental safety: THPC is considered to be relatively safe for the environment compared to other biocides. It has a low toxicity and is biodegradable, which means that it can break down into harmless substances over time.

Regulatory compliance: THPC is approved for use by regulatory agencies such as the U.S. Environmental Protection Agency (EPA) and the European Chemicals Agency (ECHA). These agencies have established guidelines for the safe use of THPC in various applications.
  • THPC


  • 293190

Textiles Flame Retardant THPC CAS 124-64-1 Tetrakis (hydroxymethyl) Phosphonium Chloride


Appearancecolorless liquid
Relative Density(20°C)1.335-1.350
Iron(Fe) %0.001max

Standard Package:

250kg drum or IBC tank.


THPC, as a water soluble organophosphorus compound, are used in the flame-resistant fabric industry to improve the tear strength of cotton and other cellulosic fabrics. 

THPC can be also used as tanning agents in the leather industry.

THPC is an anti-microbial agent with minimum effects on the environment used in oilfield drilling and production applications. THPC 80% can be also used as an iron control chemistry to prevent iron sulfide scale common in the oil and gas industry and water treatment industry.

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