Calcium Hypochlorite 70% Granular

Calcium Hypochlorite 70% Granular (CAS 7778-54-3, molecular formula Ca(ClO)2) is a treatment chemical specified by municipal and industrial plant operators where dose consistency and impurity control directly affect finished water quality. China Chemicals supplies it at 70% available chlorine in pack sizes from 1 kg through to 500 kg Pallet, so laboratory trial quantities and full production volumes can be sourced from the same specification.

It is also traded as Cal Hypo, HTH, Bleaching Powder. Every consignment ships with a batch-specific Certificate of Analysis and the current Safety Data Sheet, and material is stored and picked under stock rotation so you receive product well inside its shelf life.

Typical applications

Swimming pool shock chlorination
Emergency and remote potable water disinfection
Sanitisation of food processing surfaces
Algae control in cooling water systems
Wastewater effluent disinfection

Technical specification

Chemical name	Calcium Hypochlorite 70% Granular
Synonyms	Cal Hypo, HTH, Bleaching Powder
CAS number	7778-54-3
Molecular formula	Ca(ClO)2
Appearance	White granules, chlorine odour
Available chlorine	70.0% min
Moisture	5 – 10%
Calcium chlorate	1.5% max
Water insolubles	3.0% max
Particle size	8 – 30 mesh
Stability	Loss < 3% per year

Values above are typical and are confirmed on the Certificate of Analysis issued against each batch. Tighter specifications can be quoted where a process requires them.

Packaging and supply

Available in 1 kg, 5 kg, 25 kg Drum, 500 kg Pallet. Bulk, road tanker and export drum quantities are quoted on request, including FOB and CIF terms for international shipment. Pricing shown is per pack in USD, exclusive of freight and any applicable duties.

Handling and safety

Transport classification: UN2880 · Oxidiser, Class 5.1. Store in the original closed container in a cool, well-ventilated area away from incompatible materials, and handle using appropriate personal protective equipment. Read the Safety Data Sheet in full before use — it is issued with every order and is available on request before purchase.

Supply to industry only. Products are sold for legitimate industrial, laboratory and manufacturing use. We may request end-use details and business registration before releasing an order.