Trichloroisocyanuric Acid (TCCA)

Pool and Spa Sanitation: Primary disinfectant used to maintain water clarity and safety in large-scale aquatic facilities.
Textile Bleaching: Used as a controlled chlorine source for bleaching cotton and synthetic fabrics.
Fruit and Vegetable Wash: Sanitization of produce in industrial food processing to extend shelf life.

TCCA, Trichlor, Symclosene, 1,3,5-Trichloro-1,3,5-triazinane-2,4,6-trione.

CAS: 87-90-1
EC: 201-782-8
Sectors: Water & Wastewater Treatment, Textiles, Leather & Paper, Food & Nutrition

Trichloroisocyanuric Acid (TCCA) (CAS 87-90-1) is a chlorinated isocyanurate disinfectant and bleaching agent supplied as a white to almost white crystalline powder or granule containing approximately 90% available chlorine, and it is used for long-term chlorination in swimming pools and industrial cooling towers and for textile bleaching. It is known for its high stability and slow-release chlorine profile in aqueous environments. The compound is highly effective against a broad spectrum of bacteria, algae, and fungi, making it essential for sanitation. It is available in Granular , Tablet , or Powder formats to suit diverse dosing requirements. This white crystalline solid serves as a superior alternative to liquid bleach due to its high concentration and ease of storage.

Typical Properties

Molecular formula	C₃Cl₃N₃O₃
Molecular weight	232.41 g/mol
Appearance	white to light yellow crystal powde
Form	Powder or Granules
Color	White to almost white
Odor	chlorine odor
Melting point	47-246 °C (decomp)
Density	2.07
Water solubility	1.2 g/100mL (25 °C)
Flash point	121°C
pH	2.0-2.7 (10g/l, H2O, 20°C)
GHS signal word	Danger · Oxidizing, Corrosive, Irritant / harmful, Environmental hazard
HS code	29336980
Grades available	Technical Grade

Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.

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