For chemical formulators, understanding the intrinsic properties and reactivity of key raw materials is fundamental to developing successful products. Trichloroisocyanuric Acid (TCCA) is one such versatile compound, widely utilized for its potent oxidizing and disinfecting capabilities. As a dedicated manufacturer and supplier of TCCA in China, we provide insights into its chemistry and how it can be effectively incorporated into various formulations.

Understanding the Chemistry of TCCA

Trichloroisocyanuric Acid (CAS 87-90-1) is a heterocyclic organic compound that belongs to the family of chlorinated isocyanurates. Its chemical structure is characterized by a triazine ring with three chlorine atoms attached to the nitrogen atoms. This arrangement is key to its high available chlorine content, typically around 90% by weight.

The primary mechanism of action for TCCA is its hydrolysis in water, which releases hypochlorous acid (HOCl). Hypochlorous acid is a powerful biocide that exerts its effect through oxidation of essential cellular components, including enzymes, proteins, and nucleic acids within microorganisms.

Reaction in Water:

C3Cl3N3O3 (TCCA) + 3H2O ⇌ C3H3N3O3 (Cyanuric Acid) + 3HOCl (Hypochlorous Acid)

The cyanuric acid formed acts as a stabilizer for the hypochlorous acid, protecting it from degradation by ultraviolet (UV) radiation. This stabilization is particularly beneficial in outdoor applications like swimming pools, extending the disinfection efficacy and reducing chlorine loss.

Formulation Considerations for TCCA

When formulating with TCCA, chemical formulators should consider the following:

  • pH Control: While TCCA itself contributes to a slightly acidic solution (pH of 1% solution around 2.7-3.3), maintaining the optimal pH for the target application is crucial for maximizing HOCl efficacy. Adjustments may be needed using buffering agents.
  • Solubility: TCCA has limited solubility in water (1.2g/100g water). For applications requiring higher concentrations or rapid dissolution, granular or powder forms are often preferred, and formulation techniques may involve creating pre-dissolved solutions or using dispersants.
  • Compatibility: TCCA is a strong oxidant and can react with organic materials and reducing agents. Formulators must ensure compatibility with other ingredients to prevent undesirable reactions or loss of efficacy. Avoid mixing TCCA directly with ammonia-containing compounds, as this can form hazardous chloramines.
  • Stabilization: For applications exposed to sunlight, the inherent stabilizing effect of cyanuric acid is advantageous. In other contexts, additional stabilizers might be considered depending on the desired shelf life and performance profile.
  • Product Form: TCCA is available in powder, granular, and tablet forms. The choice of form will depend on the intended application method and desired dissolution rate. Tablets, for instance, are ideal for slow-release applications.

Sourcing High-Quality TCCA from China

As a leading TCCA manufacturer and supplier in China, we provide formulators with access to high-purity TCCA that meets rigorous quality standards. Our commitment to excellence ensures that you receive a consistent and reliable product, allowing you to focus on innovation and product development. We offer competitive pricing and can cater to various formulation needs. If you are looking to buy TCCA for your next formulation project, contact us for detailed specifications, samples, and a competitive quote.