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Trichloroisocyanuric acid
[CAS# 87-90-1]

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Complete supplier list of Trichloroisocyanuric acid
Identification
Classification API >> Synthetic anti-infective drugs >> Disinfectant antiseptic
Name Trichloroisocyanuric acid
Synonyms 1,3,5-Trichloro-1-triazine-2,4,6(1H,3H,5H)-trione; 1,3,5-Trichloroisocyanuric acid; Symclosene
Molecular Structure CAS # 87-90-1, Trichloroisocyanuric acid, 1,3,5-Trichloro-1-triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-Trichloroisocyanuric acid, Symclosene
Molecular Formula C3Cl3N3O3
Molecular Weight 232.41
CAS Registry Number 87-90-1
EC Number 201-782-8
SMILES C1(=O)N(C(=O)N(C(=O)N1Cl)Cl)Cl
Properties
Density 2.2±0.1 g/cm3, Calc.*, 2.07 g/mL (expl.)
Melting point 249-251 ºC (Expl.)
Index of Refraction 1.686, Calc.*
Boiling Point 272.3±23.0 ºC (760 mmHg), Calc.*
Flash Point 118.5±22.6 ºC, Calc.*
Water solubility 1.2 g/100mL (25 ºC)
* Calculated using Advanced Chemistry Development (ACD/Labs) Software.
Safety Data
Hazard Symbols symbol symbol symbol symbol   GHS03;GHS05;GHS07;GHS09 Danger    Details
Hazard Statements H272-H302-H335-H319-H400-H410    Details
Precautionary Statements P210-P220-P260-P261-P264-P264+P265-P270-P271-P273-P280-P301+P317-P301+P330+P331-P302+P361+P354-P304+P340-P305+P351+P338-P305+P354+P338-P316-P319-P321-P330-P337+P317-P363-P370+P378-P391-P403+P233-P405-P501    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Specific target organ toxicity - single exposureSTOT SE3H335
Oxidising solidsOx. Sol.2H272
Acute toxicityAcute Tox.4H302
Acute hazardous to the aquatic environmentAquatic Acute1H400
Chronic hazardous to the aquatic environmentAquatic Chronic1H410
Eye irritationEye Irrit.2H319
Skin corrosionSkin Corr.1AH314
Serious eye damageEye Dam.1H318
Skin irritationSkin Irrit.2H315
Specific target organ toxicity - repeated exposureSTOT RE2H373
Transport Information UN 2468
SDS Available
up Discovory and Applicatios
Trichloroisocyanuric acid is a chemical compound widely used as a disinfectant and bleaching agent. It was first synthesized in the 1950s and has since become one of the most common chlorine-based compounds for sanitizing purposes. The compound is a member of the isocyanuric acid family, characterized by its three chlorine atoms attached to a triazine ring structure. Its structure allows it to release chlorine when dissolved in water, which is responsible for its disinfecting properties.

One of the primary uses of trichloroisocyanuric acid is in water treatment, particularly in swimming pools and spas. It is commonly used as a source of chlorine to disinfect pool water and maintain its clarity. Due to its stability, trichloroisocyanuric acid is favored over other chlorine-based disinfectants because it can be stored for extended periods without significant degradation. The compound is available in granular or tablet forms, making it easy to apply and manage in pool maintenance.

In addition to pool sanitization, trichloroisocyanuric acid is employed in the treatment of drinking water, where it acts as a disinfectant to eliminate harmful microorganisms. It is also used in various industrial applications, including the disinfection of cooling towers, wastewater treatment systems, and food processing facilities.

Trichloroisocyanuric acid is also used in household cleaning products, particularly those designed for disinfecting surfaces and laundry. Its powerful chlorine-releasing properties make it effective at killing bacteria, viruses, and fungi. Additionally, it is often included in bleach formulations for laundry, providing a strong whitening and stain-removing effect.

The compound is also used in the textile industry for bleaching fibers, as well as in the pulp and paper industry to sanitize water used in the production process. Its ability to release chlorine in controlled amounts makes it an ideal choice for these applications, where consistent and reliable disinfection is required.

Although trichloroisocyanuric acid is highly effective as a disinfectant and bleaching agent, it must be handled with care due to its corrosive nature and potential health hazards. When dissolved in water, it releases chlorine, which can be irritating to the skin, eyes, and respiratory system. Therefore, safety measures are important when using this compound in various applications.

The discovery and widespread use of trichloroisocyanuric acid in water treatment, sanitation, and industrial processes reflect its importance as a powerful and stable disinfectant. Its ability to release chlorine over time while maintaining its effectiveness has made it a key compound in the fields of public health, cleaning, and industrial maintenance.

References

2024. Innovative and Affordable Interventions for Water Purification in Rural Communities. Transactions of the Indian Institute of Metals, 77(11).
DOI: 10.1007/s12666-024-03466-x
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