Calcium dihypochlorite

Calcium dihydrochlorite is an inorganic chemical compound with the molecular formula CaCl2O2 and CAS number 7778-54-3. This oxidizing agent has a molecular weight of 142.98 g/mol and serves primarily as a disinfectant and bleaching agent. It releases chlorine when dissolved in water, making it effective for water treatment applications. The compound is classified as hazardous with multiple danger classifications including oxidizing solid, acute toxicity, skin corrosion, and aquatic toxicity properties.

Calcium dihydrochlorite is a white crystalline solid that readily dissolves in water, releasing available chlorine. The compound has a characteristic chlorine-like odor and demonstrates strong oxidizing properties due to its chemical structure. It is hygroscopic, meaning it absorbs moisture from air, and decomposes when exposed to heat, light, or acidic conditions. The substance has a molecular weight of 142.98 g/mol and maintains stability under proper storage conditions but can react violently with organic materials and reducing agents.

Calcium dihydrochlorite is primarily used as a disinfectant and sanitizing agent in water treatment facilities, swimming pools, and industrial cleaning applications. It serves as an effective bleaching agent in textile and paper industries due to its chlorine-releasing properties. The compound is also utilized in wastewater treatment plants for pathogen control and odor management. Additionally, it finds applications in food processing facilities for surface disinfection and in agricultural settings for equipment sanitization and water treatment.

Calcium dihydrochlorite requires careful handling with appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing due to its Skin Corr. 1B classification. Work in well-ventilated areas to avoid inhalation of chlorine vapors and prevent contact with skin and eyes. Use non-sparking tools and avoid friction or impact as it is an oxidizing solid (Ox. Sol. 2). Keep away from heat sources, combustible materials, and incompatible substances. Always have emergency eyewash and shower facilities readily available.

Calcium dihydrochlorite must be stored in a cool, dry, well-ventilated area away from heat sources, direct sunlight, and incompatible materials. Keep containers tightly closed in original packaging and separate from organic materials, acids, and reducing agents to prevent dangerous reactions. Storage areas should be equipped with appropriate spill containment and fire suppression systems. Maintain temperatures below 25°C and ensure humidity levels remain low to prevent decomposition. Regular inspection of containers for signs of deterioration is essential for safe storage.

Calcium dihydrochlorite contact requires immediate action due to its corrosive properties. For skin contact, immediately remove contaminated clothing and flush affected area with copious amounts of water for at least 15 minutes, then seek medical attention. In case of eye contact, rinse immediately with clean water for at least 15 minutes while holding eyelids open and obtain urgent medical care. If inhaled, move person to fresh air and seek medical attention if breathing difficulties occur. Never induce vomiting if ingested and seek immediate medical help.

Calcium dihydrochlorite disposal must comply with local, national, and EU waste regulations as it is classified as hazardous waste. The substance cannot be disposed of in regular waste streams due to its oxidizing and corrosive properties. Contact licensed hazardous waste disposal companies for proper treatment and disposal. Small quantities may be neutralized carefully under controlled conditions by qualified personnel, but large amounts require professional hazardous waste management. Always consult with local environmental authorities for specific disposal requirements and maintain proper documentation of waste disposal activities.

Calcium dihydrochlorite is classified under ADR as Class 5.1 (Oxidizing substances) Packing Group II, requiring specific transport regulations compliance. Use approved packaging materials and labels according to dangerous goods transportation requirements. Vehicles must carry appropriate emergency equipment and documentation including safety data sheets and transport emergency cards. Drivers need ADR certification for hazardous materials transport. Segregate from incompatible materials during transport and ensure proper ventilation. Emergency response procedures must be readily available throughout the transportation process.

Calcium dihydrochlorite is subject to multiple European regulations including REACH registration requirements, CLP classification and labeling standards, and transportation regulations under ADR. The substance is not listed as a SVHC (Substance of Very High Concern) but must comply with occupational health and safety directives due to its hazardous classification. Water discharge regulations apply when used in industrial processes, and biocidal product regulations may apply depending on intended use. Companies must maintain safety data sheets and ensure proper worker training and protection measures are implemented.

Calcium dihydrochlorite is available through OYSI, a European distributor specializing in technical chemical products. OYSI provides reliable supply chains across Europe with proper documentation including safety data sheets, certificates of analysis, and regulatory compliance information. As a professional chemical distributor, OYSI ensures product quality, proper packaging, and adherence to transportation regulations for hazardous materials. Contact OYSI directly for specific grades, quantities, and delivery options suitable for your industrial or professional applications throughout European markets.