Calcium Hypochlorite

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Product Details:

Product Type Chemical Compound
Shelf Life 12-18 months in sealed packaging
HS Code 28281010
Molecular Formula Ca(OCl)2
Physical Form Powder / Granular / Tablet
Grade Industrial, Food, and Water Treatment Grade
Ph Level ~11 (1% solution)
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Calcium Hypochlorite Product Specifications

Taste Chlorine-like, bitter
Molecular Formula Ca(OCl)2
Physical Form Powder / Granular / Tablet
Storage Store in a cool, dry, well-ventilated place, away from heat and incompatible materials
Molecular Weight 142.98 g/mol
HS Code 28281010
Shelf Life 12-18 months in sealed packaging
Usage Water treatment, disinfection, sanitation, bleaching
Product Type Chemical Compound
Ingredients Calcium Hypochlorite, Stabilizers
EINECS No 231-908-7
Density 2.35 Gram per cubic centimeter(g/cm3)
Structural Formula [Ca(OCl)2]
Solubility 21 g/100 ml water (25 C)
Melting Point 100 C (decomposes)
Smell Pungent, chlorine odor
Properties Strong oxidizing agent; releases chlorine when dissolved in water
Poisonous Yes, if ingested or inhaled in large amounts
Purity 65%-70% min as available chlorine
CAS No 7778-54-3
Ph Level ~11 (1% solution)
Appearance White to light grey powder, granules, or tablets
Application Disinfection of drinking water, swimming pools, bleaching agent, wastewater treatment
Shape Powder, Granular, Tablet
Grade Industrial, Food, and Water Treatment Grade

Hazard Class 5.1 (Oxidizing agent)
Boiling Point Decomposes before boiling
Chlorine Content Available chlorine 65% minimum
Appearance (Detail) Fine powder, granular or compressed tablet
Color White to greyish
Decomposition Products Releases chlorine and oxygen on decomposition
Stability Stable under recommended storage conditions
Compatibility Should not be mixed with acids or organic materials
UN Number UN1748
Emergency Response Guide Guide 140 (Oxidizer, dangerous when wet)
Packaging Plastic drum, HDPE bag, or container, 25 kg / 45 kg / 50 kg
pH of 1% Solution Around 10.5
Moisture Content < 5%

Calcium Hypochlorite Trade Information

Main Export Market(s) Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa

Product Description

General description:

Chemical Formula: Ca(ClO)2

Calcium hypochlorite is the main active ingredient of commercial products called bleaching powder, chlorine powder, or chlorinated lime, used for water treatment and as a bleaching agent. This compound is relatively stable and has greater available chlorine than sodium hypochlorite (liquid bleach). It is a white solid, although commercial samples appear yellow. It strongly smells of chlorine, owing to its slow decomposition in moist air. It is not highly soluble in hard water, and is more preferably used in soft to medium-hard water. It has two forms: dry (anhydrous); and hydrated (hydrous).

Application & Usage:

Calcium hypochlorite is an ingredient in bleaching powder, used for bleaching cotton and linen
It is used in bathroom cleaners, household disinfectant sprays, moss and algae removers, and weedkillers
It is used as a sanitizer in outdoor swimming pools in combination with a cyanuric acid stabilizer, which reduces the loss of chlorine due to ultraviolet radiation
It is used for the disinfection of drinking water

Packing45, 50, 60Kg Drum

Powerful Disinfection and Water Treatment

Calcium Hypochlorite is renowned for its ability to eliminate harmful microorganisms in water, making it an essential choice for purifying potable water, maintaining swimming pools, and treating wastewater. Its strong chlorine release ensures rapid and comprehensive sanitation, keeping environments safe and reducing health risks associated with contamination.

Physical Forms and Versatile Applications

Available as powder, granules, or tablets, Calcium Hypochlorite adapts to a multitude of commercial and industrial uses. Its fine powder or granular form is perfect for large-scale disinfection and bleaching, while tablets offer convenient dosing for pool maintenance and smaller-scale water treatment requirements.

Storage, Stability, and Safety

To preserve its efficacy and stability, store Calcium Hypochlorite in tightly sealed packaging within a cool, dry, and ventilated area. It decomposes upon contact with moisture or heat, releasing chlorine and oxygen, so it must not be mixed with acids or organic materials. Proper handling ensures long shelf life and safe usage.

FAQs of Calcium Hypochlorite:

Q: How is Calcium Hypochlorite typically used for water disinfection?

A: Calcium Hypochlorite is dissolved in water before being added to drinking water supplies, swimming pools, or wastewater systems. Its high available chlorine content effectively kills bacteria, viruses, and other pathogens, ensuring safe and sanitary water conditions.

Q: What are the benefits of using Calcium Hypochlorite over other disinfectants?

A: Calcium Hypochlorite offers a high concentration of available chlorine, rapid microbial elimination, ease of storage in dry form, and versatility for both small and large-scale water treatment. It is especially valued for its long shelf life and strong oxidizing properties.

Q: When should Calcium Hypochlorite be added to a swimming pool?

A: The best time to add Calcium Hypochlorite is during evenings or periods of low sunlight, as ultraviolet rays can degrade chlorine. This allows maximum effectiveness in sanitizing pool water and prolongs the disinfectants residual activity.

Q: Where should Calcium Hypochlorite be stored for maximum stability?

A: Store Calcium Hypochlorite in sealed plastic drums, HDPE bags, or containers, placed in a cool, dry, and well-ventilated area away from heat sources, acids, organic materials, and moisture. Proper storage preserves the compounds potency and prolongs its shelf life.

Q: What is the process for safely handling Calcium Hypochlorite?

A: Wear protective equipment such as gloves and goggles, and ensure adequate ventilation when handling. Never mix with acids or organic substances, as this may release hazardous gases. Always use clean, dry scoops or tools to prevent unwanted reactions.

Q: What are the main applications of Calcium Hypochlorite aside from water disinfection?

A: In addition to water purification, Calcium Hypochlorite is utilized as a bleaching agent in textile and paper manufacturing, for wastewater treatment, and in various sanitation processes where strong oxidation is required.

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