Trichloroisocyanuric acid

Basic Info:

  • Chemical Synonym(s): 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-trichloro-; Trichloroisocyanuric acid;
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  • CAS Number: 87-90-1
  • Chemical Formula:


  • MSDS: Download


2.19 g/cm3
Boiling Point
272.3ºC at 760 mmHg
Melting Point
Flash Point
Storage temp.
Store below +30°C.
Powder or Granules
White to almost white
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Trichloroisocyanuric Acid, commonly called TCCA, is a chemical compound that contains nitrogen, chlorine, hydrogen, and carbon.

It is a clear, colorless, crystalline solid white crystalline solid soluble in water, alcohol, or ether. It is a water sanitizer, a disinfectant, a pesticide, and a preservative.

It can be used to help purify drinking water. It is an essential compound in the production of some chemicals, as well as a component of dyes, resins, and pesticides. In the pesticide industry, it is used as a desiccant.

It forms a desiccant on grains to ensure that they do not spoil.


Trichloroisocyanuric Acid is used in the water treatment industry to control the amount of chlorination. It is very important in the manufacturing and processing of paper and textiles.

It is also used in the manufacturing and processing of other chemicals and pesticides and the treatment of wastewater.

It is also used in the manufacture of styrene, epoxy, PCP. It is used in metal cleaning and metal surface pretreatment.

It is a strong metal surface pretreatment and descaler used to prevent and remove iron and manganese hydroxide and oxide deposits on the cathode and anode surfaces of metal-plastic composite cylinders and the surfaces of metal parts for plastic forming machines.