Sodium Dichloroisocyanurate (C3N3O3Cl2)

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Sodium Dichloroisocyanurate (NaDCC) is a white crystalline powder used primarily as a disinfectant, sanitizer, and biocide. It is a stable, slow-releasing chlorine compound effective against bacteria, viruses, and fungi. Widely applied in water treatment, swimming pool sanitation, food processing, and healthcare, it provides long-lasting antimicrobial activity. Its high chlorine content and ease of handling make it an essential chemical for hygiene and sterilization applications.

Description

Uses

Primary Uses 

  • Water Treatment

    • Disinfection and purification of drinking water and wastewater.

    • Control of microbial growth in swimming pools, spas, and cooling towers.

  • Healthcare & Hygiene

    • Surface and instrument disinfection in hospitals and clinics.

    • Used in wound care and sterilization products.

  • Food Industry

    • Surface sanitation and equipment cleaning in food processing plants.

    • Microbial contamination control in food packaging environments.

Secondary Uses

  • Agriculture

    • Disinfection of irrigation water and equipment to prevent crop diseases.

  • Household Cleaning

    • Ingredient in household disinfectants and bleaching products.

  • Laboratories & Research

Sterilization reagent in microbiological and chemical laboratories.

PRODUCT KEY FEATURES

Basic Identification Attributes

  • Chemical Name (IUPAC): Sodium 3,5-dichloro-2,4,6-trioxo-1,3,5-triazinan-1-ide

  • Common/Trade Name: Sodium Dichloroisocyanurate (NaDCC)

  • CAS Number: 2893-78-9

  • HS Code: 2933.39

  • Synonyms: NaDCC; Sodium dichloro-s-triazinetrione; Trichloroisocyanuric acid sodium salt

Physical & Chemical Properties

  • Physical State: Solid (crystalline powder)

  • Color & Odor: White; slight chlorine odor

  • Solubility: Soluble in water

  • Density: Approx. 2.12 g/cm³

 

Safety & Hazard Attributes

  • GHS Classification: Oxidizing solid; harmful if swallowed; causes serious eye irritation

  • Toxicity: Moderate; avoid ingestion and inhalation

  • Exposure Limits: Follow occupational exposure limits and safety data sheets

 

Storage & Handling Attributes

  • Storage Conditions: Store in a cool, dry, well-ventilated area away from combustible materials and moisture

  • Container Type: Plastic drums, bags, or sealed containers

  • Shelf Life: Typically 2–3 years if stored properly

  • Handling Precautions: Use protective gloves, goggles, and masks; avoid dust formation and inhalation

  • Storage Measures: Keep containers tightly closed and stored in a dry environment away from incompatible substances

 

Regulatory & Compliance Attributes

  • Complies with WHO and EPA standards for water disinfectants

  • Meets requirements of food-grade and pharmaceutical-grade disinfectants in various countries

  • Fulfills REACH and OSHA regulations for chemical safety

 

Environmental & Health Impact

  • Biodegradability: Breaks down into harmless substances under environmental conditions

  • Ecotoxicity: Toxic to aquatic life; prevent release into waterways

  • Bioaccumulation: Not significant
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Gloves, safety goggles, dust mask or respirator, and protective clothing recommended

  • Handling Guidelines: Avoid inhaling dust or vapors; work in well-ventilated areas

  • Storage Measures: Keep containers tightly closed; store away from incompatible materials such as acids and organic compounds

 

First Aid Measures

  • Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulties occur

  • Skin Contact: Wash with plenty of water; remove contaminated clothing; seek medical advice if irritation persists

  • Eye Contact: Rinse cautiously with water for at least 15 minutes; seek immediate medical attention

  • Ingestion: Do not induce vomiting; rinse mouth; seek urgent medical care

 

Firefighting Measures

  • Fire Hazards: Non-flammable but oxidizing; can intensify fires

  • Extinguishing Media: Use water spray, foam, or dry chemical extinguishers

  • Special Precautions: Wear full protective gear and self-contained breathing apparatus

  • Hazardous Combustion Products: Chlorine gas, nitrogen oxides, and other toxic fumes