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Product

Calcium Hypochlorite

Calcium Hypochlorite is a solid chlorine disinfectant with 65–70% available chlorine, supplied as granules or tablets for pool sanitation, drinking water disinfection and general hygiene.

Grades / forms
65–70%
Documents
TDS · SDS to view and download
01

Overview

Calcium hypochlorite, Ca(OCl)₂, is the most concentrated common source of chlorine that can be handled as a solid. Granules dissolve quickly for shock treatment; tablets dissolve slowly in feeders and floaters for continuous dosing. Because it is dry, it holds its strength far better than liquid bleach, which makes it the default disinfectant for export, remote communities and emergency water supply.

It is also a strong oxidiser, and that drives how it must be handled. It must be kept away from acids, organic material, oils and — critically — chlorinated isocyanurates such as trichlor tablets, as mixing can cause fire or explosion. Shipping lines treat it as Class 5.1 cargo with special stowage, so bookings are made only with carriers that accept it.

02

Applications

  • 1Swimming pool and spa disinfection
  • 2Drinking water chlorination in rural and emergency supply
  • 3Sanitation in food, dairy and beverage plants
  • 4Pond preparation in shrimp and fish farming
  • 5Wastewater and cooling water disinfection
03

Specification

calcium-hypochlorite.spec
Calcium Hypochlorite
70.0 w/w% min nominal
Available Chlorine
70.0 w/w% min nominal
Water
5.5 – 8.5 w/w% min-max
Granular size ASTM 14
96% min
Granular size ASTM 100
4% max
No. 16
1.0 w/w% max
No. 70
1.5 w/w% max

Specification as stated on our Technical Data Sheet, which you can download below.

04

Documents

  • TDSTechnical Data Sheet

    Grades, specification and physical properties.

  • SDSSafety Data Sheet

    Hazards, handling, storage and transport.

PDF documents from our quality records.

05

Packing & storage

Packing

  • 40–45 kg HDPE drums
  • 50 kg HDPE drums
  • Tablets in sealed tubs

Storage & handling

Keep cool, dry, ventilated and well away from acids, fuels, organic material and other pool chemicals. Never mix with trichloroisocyanuric acid. Ships as an oxidiser (Class 5.1) under IMDG rules.

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  • Certificate of Analysis with every batch
  • SDS in destination format
  • Made to your specification
  • Private label packing

Questions

Calcium Hypochlorite, answered.

Granules dissolve within minutes and are used for shock chlorination and batch dosing. Tablets dissolve slowly in erosion feeders or floaters and maintain a steady chlorine level, which suits pools and small water systems without operators on site.

Calcium hypochlorite is an oxidiser that can decompose violently if overheated or contaminated, so shipping lines apply strict stowage and temperature rules and some refuse it entirely. Shipments are booked only with lines that accept the cargo, with the full dangerous goods declaration.

Yes. It is widely used to chlorinate rural, emergency and small community supplies. It should be dissolved and dosed to give the residual free chlorine required by the local drinking water standard.

Yes. Cosmo Chemistry manufactures and exports Calcium Hypochlorite from Surat, Gujarat, India to more than 55 countries, for customers in the water treatment and basic industrial chemicals industries. Send your grade, quantity and destination port for a quotation within one business day.

Every shipment of Calcium Hypochlorite from Cosmo Chemistry includes a batch-specific Certificate of Analysis (COA) and Safety Data Sheet (SDS). Certificate of Origin, third-party pre-shipment inspection and destination-specific regulatory documentation are arranged on request.

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