Overview
Chlorinated lime, also known as bleaching powder, is a chemical compound primarily composed of calcium hypochlorite. It is widely used for its disinfectant and bleaching properties. The compound is produced by the reaction of chlorine gas with slaked lime and is known for its strong oxidizing capabilities. In industrial and municipal settings, chlorinated lime is a cost-effective solution for water treatment and sanitation. Its ability to release chlorine when dissolved in water makes it highly effective against bacteria, viruses, and algae. The compound is also utilized in the textile and paper industries for bleaching purposes.
Physical and Chemical Properties
Chlorinated lime appears as a white or grayish powder with a pungent chlorine odor. It has a molecular weight of 142.98 g/mol and a density of 2.35 g/cm³. The compound decomposes at around 100°C, releasing oxygen and chlorine gas. It is highly soluble in water, where it forms a hypochlorous acid solution, which is responsible for its disinfecting action. However, it reacts violently with organic materials and acids, posing a risk of fire or explosion. Proper handling and storage are essential to prevent accidents.
Main Applications
The primary use of chlorinated lime is in water treatment facilities to disinfect drinking water and swimming pools. Its ability to kill pathogens makes it indispensable in maintaining public health standards. Additionally, it is used in wastewater treatment to reduce organic contaminants. In the textile and paper industries, chlorinated lime serves as a bleaching agent to whiten fabrics and paper products. It is also employed in household cleaning products for its disinfecting properties. Agricultural applications include soil sterilization and pest control.
Safety and Storage
Chlorinated lime is a hazardous material that requires careful handling. It is corrosive and can cause severe skin and eye irritation upon contact. Inhalation of its dust or fumes may lead to respiratory distress. Proper personal protective equipment (PPE), such as gloves and goggles, should always be worn. Storage conditions are critical to maintaining the compound's stability. It should be kept in a cool, dry, and well-ventilated area, away from organic materials and acids. Containers must be tightly sealed to prevent moisture absorption, which can lead to decomposition and the release of toxic chlorine gas.
B2B Procurement Guide
When procuring chlorinated lime for industrial use, buyers should prioritize purity and packaging quality. High-purity grades are essential for effective disinfection and bleaching applications. Suppliers should provide certificates of analysis to verify the product's specifications. Packaging should be robust and moisture-proof to prevent degradation during transit and storage. Bulk purchases often offer cost savings, but buyers must ensure they have adequate storage facilities. It is also advisable to source from suppliers with a proven track record of compliance with safety and environmental regulations.
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