Product Category: Water Treatment Chemicals / Disinfection Chemicals
Chemical Name: Calcium Hypochlorite
Alternative Name: High-Test Hypochlorite (HTH)
CAS Number: 7778-54-3
Chemical Formula: Ca(OCl)₂
Molecular Weight: 142.98 g/mol
Appearance: White to off-white granular material
Product Overview
Calcium Hypochlorite HTH Granules are a concentrated dry chlorine source used extensively for water disinfection, wastewater treatment, industrial sanitation and swimming-pool treatment.
The dry granular form offers a high concentration of available chlorine while reducing the storage volume associated with dilute liquid hypochlorite solutions.
Typical Technical Specification
| Property | Typical Reference |
| SKU | MCS-C3 |
| Active Ingredient | Calcium Hypochlorite |
| Available Chlorine | Common commercial grades approx. 65–70% |
| Appearance | White to off-white granules |
| Form | Dry granular solid |
| Solubility | Soluble in water with some grade-dependent residue |
| CAS Number | 7778-54-3 |
| Classification | Strong oxidising chemical |
Commercial high-test calcium hypochlorite products are commonly marketed in the 65–70% available-chlorine range. Product-specific available chlorine must be confirmed from the applicable COA.
Applications
- Municipal water disinfection
- Industrial water treatment
- Wastewater disinfection
- Mining-water treatment
- Process-water sanitation
- Swimming-pool treatment
- Emergency water-treatment applications
- Industrial hygiene and sanitation
Key Benefits
- High available-chlorine content
- Concentrated dry product
- Long storage stability when correctly stored
- Effective broad-spectrum disinfection
- Reduced storage volume compared with dilute liquid chlorine solutions
Packaging
Supplied in approved moisture-resistant chemical containers suitable for oxidising materials. Pack sizes depend on the selected manufacturer and grade.
Storage
Strong oxidiser. Store cool, dry and well ventilated, away from acids, ammonia, organic materials, fuels, reducing agents and other incompatible chemicals.
Never mix Calcium Hypochlorite with acids or other chlorine products.
