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Sodium Dichloroisocyanurate (SDIC), also known as Sodium Dichloro-s-triazinetrione, is a widely used chlorine-based disinfectant and water-treatment chemical. It is valued for its high available chlorine content, good water solubility, and effectiveness against a broad range of microorganisms.
Sodium Dichloroisocyanurate is commonly available in granular, powder, and tablet forms. It releases active chlorine when dissolved in water, making it suitable for disinfection and microbial control in swimming pools, industrial water systems, wastewater treatment, sanitation, and other applications.
Sodium dichloroisocyanurate is the sodium salt of a chlorinated hydroxytriazine and is used as a source of free available chlorine, in the form of hypochlorous acid, for the disinfection of water. It is widely used as a stable source of chlorine for the disinfection of swimming pools and in the food industry.
1. Swimming Pool Water Treatment
SDIC is widely used for maintaining microbiological control in swimming pools, spas, and recreational water systems.
2. Drinking Water & General Water Disinfection
Appropriately specified SDIC grades can be used for water disinfection where permitted by applicable regulations and treatment standards.
3. Industrial Water Treatment
It is used for controlling microorganisms, algae, and biofilm in selected industrial water systems.
4. Wastewater Treatment
SDIC can be used as a chlorine-based disinfectant in wastewater treatment processes to reduce microbial contamination.
5. Marine & Shipboard Applications
SDIC is used in selected marine sanitation and water-treatment applications, subject to the vessel's treatment system and operating requirements.
6. Institutional & Surface Disinfection
Suitable formulations are used for sanitation and disinfection of hard surfaces, equipment, and facilities.
SDIC disinfectant (powder/granular/tablet) provides fast active chlorine control for swimming pools, drinking water, industrial systems, wastewater, marine sanitation, and institutional surface disinfection.
Sodium dichloroisocyanurate possible to use as a disinfectant for drinking-water in emergency situations, and for routine use in some water supplies.
Sodium Dichloro-Isocyanate can affect you when breathed in.
Sodium Dichloro-Isocyanate can irritate the skin.
Contact can irritate and burn the eyes.
Breathing Sodium Dichloro-Isocyanate can irritate the nose and throat causing coughing and wheezing.
SDIC 56% vs. SDIC 60%+
The available chlorine content of SDIC depends on the specific grade and formulation. SDIC 56% is a commonly traded industrial grade, while higher available-chlorine grades may also be available.
When purchasing SDIC, buyers should verify:
Available chlorine specification
Purity
Granular, powder, or tablet form
Particle size
Packaging
COA and SDS
Intended application and regulatory requirements
Sodium Dichloroisocyanurate is an oxidizing chemical and should be stored in a cool, dry, well-ventilated area away from incompatible materials, moisture, heat, and sources of contamination. Do not mix it directly with acids, ammonia, reducing agents, or other incompatible chemicals because hazardous reactions or toxic gases may result.
Always follow the manufacturer's SDS and handling instructions.
SDIC, SODIUM DICHLOROISOCYANURATE Granual
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