Calcium Hypochlorite (HTH Granules) is an inorganic compound that is primarily used in water treatment, sanitation, and industrial settings. Known for its potent disinfectant capabilities and powerful oxidising properties, Calcium Hypochlorite plays a key role in purifying drinking water, maintaining swimming pools, and bleaching textiles and paper products. The chemical formula of Calcium Hypochlorite is Ca(ClO)₂.

Photo of Calcium Hypochlorite
CAS Number: 7778-54-3
UN Number: 1748
Hazard Class: 5.1
Packing Group: II

What is the CAS Number of Calcium Hypochlorite?

The CAS number of Calcium Hypochlorite is 7778-54-3​​.

What is the UN Number of Calcium Hypochlorite?

The UN number of Calcium Hypochlorite is 1748.

What is the Hazard Class of Calcium Hypochlorite?

The Hazard Class of Calcium Hypochlorite is 5.1.

What is the Packing Group of Calcium Hypochlorite?

The Packing Group for Calcium Hypochlorite is II.

Physical properties of Calcium Hypochlorite

Physical State: Granular
Appearance: White
Odor: Chlorine-like
Odor Threshold: No information available
pH: 11.5
Melting Point / Range: 100°C​
Boiling Point / Range: No information available
Molecular Formula: No information available
Molecular Weight: No information available
Safety Icon

Safety profile of Calcium Hypochlorite

To ensure safe use, refer to the Material Safety Data Sheet (MSDS), which outlines crucial safety guidelines, including hazard classifications, first aid instructions, fire precautions, spill containment measures, and proper handling procedures. As Calcium Hypochlorite is a strong oxidiser, it must be stored and managed with care to prevent reactions with incompatible substances.

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FAQs

Calcium Hypochlorite is widely utilised for disinfecting water supplies, controlling microbial growths in areas including swimming pools, and as an industrial bleaching agent. It is also employed in wastewater treatment and as a sanitising agent in food processing.

Calcium Hypochlorite pricing is influenced by factors such as order volume and shipping destination. At East Harbour Group, we tailor quotes to your specific needs, ensuring competitive pricing and reliable supply. Contact us for a customised quote.

Certainly. We offer international shipping, with efficient, reliable delivery across Europe, Asia and other key markets. With strategic offices in the UK and India, we facilitate seamless logistics to meet your supply chain demands.

As a strong oxidiser, Calcium Hypochlorite can pose fire hazards if stored improperly. It may cause severe skin and eye irritation and release toxic gases when mixed with incompatible substances.

Calcium Hypochlorite has the following hazard statements associated with it:

H272: Oxidising Solids (Category 2)

H302: Acute Toxicity, oral (Category 4)

H314: Skin Corrosion (Sub-category 1B)

H400: Short-term (Acute) Aquatic Hazard (Category 1)


For a full breakdown of safety considerations when handling Calcium Hypochlorite, please check the safety data sheet.

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