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Tetrakis (Hydroxymethyl) Phosphonium Sulfate THPS

Tetrakis (Hydroxymethyl) Phosphonium Sulfate THPS
Tetrakis (Hydroxymethyl) Phosphonium Sulfate THPS
Product Code : 12
Product Description

We are immensely appreciated by our clients for providing high grade Tetrakis (Hydroxymethyl) Phosphonium Sulfate THPS. It is most commonly used as microbicide in both commercial & industrial water systems. This compound can be prepared by treating phosphine with formaldehyde in the presence of HCl. In textile industry Tetrakis (Hydroxymethyl) Phosphonium Sulfate THPS is utilized for the production of flame retardant finishes on cotton and cellulosic fabrics. It is known to have chemical formula C8H24O12P2S with molar mass of 406.276 g/mol.



  • Has pH range of 2.5-5.5

  • It is an organophosphorus compound

  • Has a melting point of 150 degree Celsius



Tetrakis (Hydroxymethyl) Phosphonium Sulfate




Tetrakis(Hydroxymethyl)Phosphonium Sulfate content % ≥


Viscosity(25°C) MPA ? ¤ S


Relative Density(25°C)


Iron(Fe) % ≤


PH value


Performance: Colorless to yellowish clear liquid, appearing acid.


  • It is 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.

Storage: Hermetically sealed.

PACKING : N.W.:200kg.

Contact Us

Head Office : Rm No. 1502, Yixing International Economic & Trade Building, 21 West Jiaoyu Road, Yixing, Jiangsu Sheng, 214200, China