CAS 7778-54-3
Calcium Hypochlorite
CAS 7778-54-3Ca(ClO)2142.98 g/mol
Calcium hypochlorite is renowned for its use in disinfecting swimming pools and treating water in municipal and industrial settings. Its high active chlorine content, typically 65-70%, makes it a powerful oxidizing agent effective in killing bacteria and algae. This versatility extends to bleaching applications and surface sanitation, allowing it to serve multiple industries, including water treatment and cleaning. Its stable composition compared to sodium hypochlorite and high chlorine availability make it a preferred choice for maintaining clean and sanitary conditions in public and private spaces.
Main applicationSwimming pool disinfection — Maintains clean and safe water
Calcium hypochlorite plays a crucial role in maintaining public health and safety by providing effective disinfection solutions for swimming pools and water treatment facilities. Its robust efficacy in killing bacteria and algae ensures clean and safe environments, vital for hospitality and municipal services. By enabling reliable sanitation and bleaching processes, it supports various sectors, from recreation to manufacturing, aligning with hygiene and safety regulations.
Also known as
- Bleaching powder

Trade pricing
Quoted per enquiry
Pricing depends on volume, grade and delivery point. Our desk responds within two working hours.
Available packaging
- Typically available in drums or pails. Batch CoA and SDS included upon request.
Documentation
Batch-specific COA issued with every consignment.
Technical specifications
- CAS number
- 7778-54-3
- Chemical formula
- Ca(ClO)2
- Molecular weight
- 142.98 g/mol
- Grade
- Industrial grade
- Appearance
- White to grayish-white powder, granules, or tablets
- Active chlorine content
- 65-70 %
Calcium hypochlorite, with the molecular formula Ca(ClO)2, is typically supplied as a white to grayish-white powder or in granular and tablet forms. Its molecular weight is approximately 142.98 g/mol, and it contains a significant active chlorine fraction of around 65-70%. The substance's stability and effectiveness at high chlorine concentrations make it suitable for various disinfection and bleaching purposes. When purchasing calcium hypochlorite, buyers should specify the desired form—powder, granules, or tablets—based on the application. Key considerations include the active chlorine percentage and packaging needs to ensure effective integration into existing systems or processes. It's crucial to verify the lot's quality assurance and access batch CoA (Certificate of Analysis) and SDS (Safety Data Sheet) documentation, particularly for industries with stringent safety and regulatory demands.
Delivery
Calcium Hypochlorite is dispatched from our Nairobi warehouse across Kenya, and export delivery is arranged to the wider East African market. Lead time depends on quantity and grade and is confirmed with your quotation — see delivery and collection for the towns we reach and how dispatch works.
Applications & uses
- Swimming pool disinfection — Maintains clean and safe water
- Municipal water treatment — Purifies drinking water
- Industrial water treatment — Controls algae and bacteria
- Food equipment sanitation — Disinfects surfaces
- Cooling water treatment — Algae and bacterial control
- Pulp and paper bleaching — Brightens paper products
- Odor control in water — Removes unpleasant smells
Industries we supply this to
Why buy this from Sparks
- Highly effective in disinfection — Eliminates pathogens in pools and water systems
- Stable composition — Longer shelf life
- High chlorine availability — Efficient sanitization
- Versatile applications — Multiple industry uses
- Easy handling — Various physical forms
- Quality assured — Comprehensive documentation provided
Quality assurance
- Batches are checked against the specification values listed above before dispatch.
State what your process, auditor or customs clearance requires when you request a quotation, and it is confirmed with the quote.
Safety, handling & storage
Always consult the full Safety Data Sheet before handling. Personnel must use appropriate PPE and follow local regulations for storage, transport and disposal.
Frequently asked questions
What is the CAS number of Calcium Hypochlorite?
The CAS registry number for Calcium Hypochlorite is 7778-54-3. Its chemical formula is Ca(ClO)2, with a molecular weight of 142.98 g/mol. Quote this number when requesting a quotation or checking documentation, as it identifies the substance unambiguously regardless of the trade name used.
What are the other names for Calcium Hypochlorite?
Calcium Hypochlorite is also referred to as Bleaching powder. These names describe the same substance, so a specification or enquiry written against any of them can be matched to this product.
What grade of Calcium Hypochlorite is supplied?
Calcium Hypochlorite is supplied as Industrial grade. State the grade your process requires when requesting a quotation — where an alternative grade can be sourced, it is confirmed at quotation stage rather than assumed.
What does Calcium Hypochlorite look like?
Calcium Hypochlorite is described as white to grayish-white powder, granules, or tablets. Appearance is a useful first check on receipt of goods, though it does not replace the certificate of analysis for confirming that the material meets specification.
What is Calcium Hypochlorite used for?
Common applications include swimming pool disinfection — Maintains clean and safe water, municipal water treatment — Purifies drinking water, industrial water treatment — Controls algae and bacteria, food equipment sanitation — Disinfects surfaces, cooling water treatment — Algae and bacterial control and pulp and paper bleaching — Brightens paper products. The suitability of the product for a particular process depends on the grade and specification required, which is worth confirming against your own process conditions.
Which industries use Calcium Hypochlorite?
Calcium Hypochlorite is supplied to the Water Treatment and Cleaning & Detergents sectors. These are the industries this product is listed against in our catalogue; if your application falls outside them, we can advise on suitability before you order.
What packaging is Calcium Hypochlorite available in?
Calcium Hypochlorite is supplied in Typically available in drums or pails. Batch CoA and SDS included upon request. Where a different pack size or bulk delivery is required, it is confirmed at quotation stage against availability rather than listed here as standard.
What is the HS code for Calcium Hypochlorite?
Calcium Hypochlorite is recorded against the EC number 231-908-7 and the HS customs code 2828.10. Quote this on customs and export paperwork; it is confirmed again on the commercial invoice for your specific consignment.
Related to Calcium Hypochlorite
Where this product sits in the catalogue, and the sectors that use it.
References
Technical information on this page was compiled from the following published sources. Safety and handling data always comes from the supplier’s own safety data sheet.
- 1.Calcium hypochlorite | Ca(ClO)2 | CID 24504 - PubChempubchem.ncbi.nlm.nih.gov
- 2.Kenya Commercial calcium hypochlorite and other calci imports by country | 2022 | Datawits.worldbank.org
- 3.Calcium hypochloriteen.wikipedia.org
- 4.Calcium Hypochlorite Supply Chain- Full Profileepa.gov
- 5.OFFICE OF CHEMICAL SAFETYwww3.epa.gov
- 6.Calcium Hypochlorite Market 2020 Trends & Forecast to 2026- Industry Analysis by Geographical Regions, Type and Applicationreddit.com
- 7.Dunno how to do thisreddit.com
- 8.Kenya | Imports and Exports | World | Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites | Value (US$) and Value Growth, YoY (%) | 2009 - 2023trendeconomy.com
- 9.Calcium Hypochlorite Disinfectant Market in Africa | Report - IndexBox - Prices, Size, Forecast, and Companiesindexbox.io
- 10.Calcium Hypochlorite 70% Supplier in Kenya | NOKS Chemical Division | NOKS Chemical Divisionchemicals.noksindustrial.com
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