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Calcium Hypochlorite 65% (Calcium Process) Granular Supplier Comparison: How to Choose the Right Offer

Calcium Hypochlorite 65% (Calcium Process) Granular supplier comparison: specs, drums per container, chlorine loss and safe storage. Buy with COA & SDS.

Anflo Editorial TeamPublished 30 Oct 2026 · 4 min read
Calcium Hypochlorite 65% (Calcium Process) Granular Supplier Comparison: How to Choose the Right Offer
WATER DISINFECTION • SUPPLIER COMPARISON

A careful Calcium Hypochlorite 65% (Calcium Process) Granular supplier comparison looks beyond the price per ton. Available chlorine on arrival, drum quality, dangerous-goods handling and container payload decide what you really pay per kilogram of chlorine. This guide shows how to compare offers like a professional buyer.

Calcium Hypochlorite 65% (Calcium Process) Granular supplier comparison
Calcium Hypochlorite 65% (Calcium Process) Granular supplied by Anflo Inter Chemical Products Trading.

Calcium Hypochlorite 65% (Calcium Process) Granular supplier comparison: Key Facts

ProductCalcium Hypochlorite 65% (Calcium Process) Granular
CAS number7778-54-3
FormulaCaCl2O2
AppearanceWhite to grey granules, powder or tablets with chlorine odour
Packaging45kg Drum / 14 Tons / 20ft Cold Container 25kg Drum / 18.15Tons / 20ft Container  
Transport classUN 1748, Class 5.1 (oxidiser)
List priceUSD 1,368.00 per MT (volume orders quoted individually)
CategoryWater Treatment Chemicals

Calcium Process vs Sodium Process: Know What You Are Buying

Calcium hypochlorite is made by two main routes. Sodium-process material is generally higher in available chlorine (often around 70%) with fewer insolubles. Calcium-process material, the grade covered here, is typically specified at 65% available chlorine and is usually the more economical option for routine disinfection.

Both routes are supplied as granules, powder and tablets. Granular product flows well, dissolves reasonably quickly and is easy to dose by hand or through feeders, which is why it is the most traded form for:

  • swimming pool and spa sanitation;
  • municipal and industrial water disinfection;
  • bleaching and surface sanitising;
  • emergency and remote-site water treatment.

For background on disinfection targets, see the WHO Guidelines for Drinking-water Quality.

Calcium Hypochlorite 65% (Calcium Process) Granular Specifications to Compare

Put these Calcium Hypochlorite 65% (Calcium Process) Granular specifications side by side for every supplier:

ParameterWhat to ask for
Available chlorine65% minimum, stated at shipment
Moisture / water contentStated value; it affects stability and UN classification
Particle sizeGranule range, e.g. a stated mesh range
Insoluble matterStated maximum; affects cloudiness and residue
Production dateOn every lot; fresher stock holds chlorine better
PackagingSealed plastic drums with liner

Ask each supplier for a recent COA and confirm the test method for available chlorine, so the numbers are comparable. Compound data is available on PubChem.

Water Treatment Chemicals supplied in bulk by Anflo
Water Treatment Chemicals range from Anflo Inter Chemical Products Trading.

Calcium Hypochlorite 65% (Calcium Process) Granular Container Price and Loading

The Calcium Hypochlorite 65% (Calcium Process) Granular container price depends heavily on the drum size, because drum size sets how many tons fit in a 20 ft container:

PackingLoad per 20 ft containerApprox. drums
45 kg drumsAbout 14 tonsAbout 311
25 kg drumsAbout 18.15 tonsAbout 726

Freight is charged per container, so a higher payload lowers the freight cost per kilogram. On the other hand, 45 kg drums mean fewer packages to handle. Dangerous-goods surcharges for Class 5.1 also apply, and only some shipping lines accept it on each route; on long, hot routes some buyers choose ventilated or temperature-controlled containers to limit chlorine loss.

Our list price is in the key facts table; send your destination port through the quote form for a delivered figure.

The Supplier Comparison Checklist

  1. Chlorine at arrival, not only at loading. Calcium hypochlorite slowly loses available chlorine, faster in heat. Ask how old the stock is and plan delivery close to use.
  2. Drum quality. Thick drums, good lids and an inner liner prevent moisture entry and damage.
  3. Dangerous-goods competence. UN 1748, Class 5.1 cargo needs correct labels, declarations and booking under the IMDG Code.
  4. Inspection. Agree whether an independent pre-shipment inspection is required.
  5. Same delivery basis. Compare FOB with FOB and CIF with CIF.

When these points match, you can buy Calcium Hypochlorite 65% (Calcium Process) Granular on price with confidence. Our quality documentation page explains what we provide with each lot.

Safe Storage for Calcium Hypochlorite 65% (Calcium Process) Granular for Water Disinfection

Calcium hypochlorite is a strong oxidiser. Store it in a cool, dry, ventilated area, away from acids, organic materials and combustibles, and keep containers closed. Never mix it with TCCA or other chlorine products: segregate it from TCCA tablets at all times. Rotate stock so the oldest drums are used first.

Need a different form? Compare calcium hypochlorite powder, tablets or liquid sodium hypochlorite in our water treatment chemicals range.

Ready to buy Calcium Hypochlorite 65% (Calcium Process) Granular?
From USD 1,368 / MT
Send grade, quantity and destination port for a written quotation.

Frequently asked questions

Why does available chlorine drop during shipping?

Calcium hypochlorite decomposes slowly, faster at higher temperatures and with moisture. Fresh stock, good drums and planning delivery close to use keep losses low.

How many drums fit in a 20 ft container?

About 311 drums of 45 kg (around 14 tons) or about 726 drums of 25 kg (around 18.15 tons). The exact load is confirmed in the quotation.

Is calcium hypochlorite used for drinking water?

Yes, it is widely used to disinfect drinking water. Dose and residual chlorine must follow the standards of your local regulator.

What is the UN number for calcium hypochlorite 65%?

Dry calcium hypochlorite is shipped as UN 1748, Class 5.1 oxidiser. Confirm the classification on the SDS for your lot.

Need a bulk quotation for Calcium Hypochlorite 65% (Calcium Process) Granular? Send your requirements to Anflo or email sales@anflointerchem.shop.

About the author

Anflo Editorial Team writes buying guides for importers, distributors and manufacturers sourcing bulk chemicals worldwide. Every guide is checked against our product specifications and supply documents. Questions? Email sales@anflointerchem.shop.