Description
TCCA – Trichloroisocyanuric Acid (TCCA) is a highly effective chlorine-releasing disinfectant and oxidizing agent widely used for water treatment and sanitation.
Key Characteristics and Uses
| Property | Description |
| Chemical name | Trichloroisocyanuric acid |
| Common abbreviation | TCCA |
| Chemical formula | C₃Cl₃N₃O₃ |
| Molecular weight | 232.41 g/mol |
| Chemical class | Chlorinated isocyanurate |
| Physical appearance | White crystalline powder or granules |
| Odor | Strong chlorine odor |
| Water solubility | Slightly soluble (slowly hydrolyzes) |
| Solubility in organic solvents | Insoluble |
| Active chlorine content | ~90% |
| pH (1% solution) | 2.5–3.5 |
| Decomposition temperature | >230 °C (decomposes) |
| Oxidizing property | Strong oxidizing agent |
| Stability | Stable when dry; decomposes in moisture |
| Reactivity | Reacts with water, acids, bases, reducing agents |
| Hydrolysis products | Hypochlorous acid, cyanuric acid |
| Ionic nature | Non-ionic (releases chlorine in solution) |
| Corrosiveness | Corrosive to metals when moist |
| Toxicity | Harmful if inhaled or ingested |
| Environmental behavior | Toxic to aquatic organisms |
| Main applications | Water disinfection, bleaching, sanitation |
Uses of TCCA
Water Treatment & Disinfection
Swimming pools
Drinking water (emergency & municipal use)
Cooling towers
Industrial process water
Grades of TCCA
- Industrial Grade
Purity: ~85–90% available chlorine
Form: Powder, granules, tablets
Uses: Industrial water treatment,Textile and paper industries ,Wastewater treatment
2. Pool Grade : Purity: ~90% available chlorine
Form: Tablets (slow-dissolving), granules
Uses: Swimming pools , Spas and fountains
Food / Drinking Water Grade
Purity: High, tightly controlled impurities
Form: Tablets or powder
Uses: Emergency drinking water disinfection, Food industry sanitation
3. Pharmaceutical / Disinfectant Grade
Purity: Very high
Uses: Medical disinfectants , Hospital sanitation products
Common Commercial Forms
Powder
Granules (8–30 mesh)
Tablets (20 g, 50 g, 200 g)
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