Calcium dihypochlorite

Calcium dihydrochlorite is an inorganic chemical compound with the molecular formula CaCl2O2 and CAS number 7778-54-3. This oxidizing substance has a molecular weight of 142.98 g/mol and belongs to the hypochlorite family. It is classified as a hazardous substance under GHS regulations with oxidizing properties (Ox. Sol. 2), acute toxicity (Acute Tox. 4), skin corrosivity (Skin Corr. 1B), and aquatic toxicity (Aquatic Acute 1). The compound carries the danger signal word and multiple hazard pictograms indicating its reactive nature.

Calcium dihydrochlorite is typically a white to light gray crystalline solid with a characteristic chlorine-like odor. The compound is highly soluble in water, releasing hypochlorous acid and calcium ions upon dissolution. It demonstrates strong oxidizing properties due to its hypochlorite content, making it reactive with organic materials and reducing agents. The substance is hygroscopic, meaning it readily absorbs moisture from the atmosphere. Its oxidizing nature makes it incompatible with combustible materials, acids, and many organic compounds.

Calcium dihydrochlorite is primarily used as a disinfectant and bleaching agent in various industrial applications. Its strong oxidizing properties make it effective for water treatment, swimming pool sanitation, and industrial bleaching processes. The compound serves as a source of available chlorine in disinfection systems and is utilized in the textile industry for fabric bleaching. It also finds applications in wastewater treatment facilities and as an antimicrobial agent in certain industrial cleaning formulations where controlled chlorine release is required.

Calcium dihydrochlorite requires careful handling due to its corrosive and oxidizing properties. Personal protective equipment must include chemical-resistant gloves, safety goggles, and protective clothing to prevent skin and eye contact. Respiratory protection should be used when handling powdered forms to avoid inhalation. Work areas must be well-ventilated to prevent accumulation of chlorine vapors. Avoid contact with combustible materials, acids, and organic substances. Always use non-sparking tools and ensure proper grounding to prevent static electricity buildup during handling operations.

Calcium dihydrochlorite must be stored in a cool, dry, well-ventilated area away from heat sources and direct sunlight. Keep containers tightly sealed to prevent moisture absorption and decomposition. Store separately from combustible materials, acids, ammonia, and organic compounds due to incompatibility risks. Use corrosion-resistant containers and ensure storage areas have adequate ventilation to prevent chlorine gas accumulation. Maintain storage temperatures below 30°C and protect from humidity. Regular inspection of containers for signs of deterioration or leakage is essential for safe storage.

Calcium dihydrochlorite contact requires immediate first aid measures due to its corrosive nature. For skin contact, immediately remove contaminated clothing and flush affected areas with copious amounts of water for at least 15 minutes. In case of eye contact, rinse immediately with water for at least 15 minutes while holding eyelids open. If inhaled, move the person to fresh air immediately. For ingestion, do not induce vomiting and rinse mouth with water. Seek immediate medical attention for all exposure routes, especially for eye contact or ingestion.

Calcium dihydrochlorite disposal must comply with local and European waste regulations as a hazardous substance. The compound 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 under controlled conditions by qualified personnel before disposal. Always consult local environmental authorities for specific disposal requirements. Never dispose of this substance in sewers, waterways, or soil as it poses environmental risks to aquatic life.

Calcium dihydrochlorite is classified under ADR as Class 5.1 (Oxidizing substances) with Packing Group II, indicating significant transport hazards. Packaging must comply with ADR regulations using approved containers designed for oxidizing substances. Vehicles must carry appropriate placards and documentation. Drivers require ADR certification for dangerous goods transport. Segregation rules must be followed to prevent contact with incompatible materials during transport. Proper ventilation in transport vehicles is essential to prevent gas accumulation. Emergency response information must accompany shipments for incident management.

Calcium dihydrochlorite is subject to multiple European regulations including REACH registration requirements and CLP classification and labeling. The substance is not currently listed as a Substance of Very High Concern (SVHC) under REACH. However, its hazardous properties require compliance with occupational safety regulations, environmental protection laws, and transport regulations (ADR). Users must maintain safety data sheets, implement risk management measures, and ensure proper worker training. Some applications may require additional permits or notifications depending on quantities used and specific industrial applications.

Calcium dihydrochlorite is available through OYSI, a specialized European distributor of technical chemicals. OYSI provides this oxidizing compound to industrial customers across Europe with full regulatory compliance and technical support. As a professional chemical distributor, OYSI ensures proper documentation, safety data sheets, and regulatory compliance for all shipments. The company serves various industries requiring this disinfectant and bleaching agent. Contact OYSI directly for specific availability, packaging options, and technical specifications tailored to your industrial application requirements.