calcium hypochlorite by sodium process and by calcium process CAS NO. 7778-54-3, UN NO. 2880, Class 5.1.

Calcium Hypochlorite Features Calcium Hypochlorite is unstabilised (it does not contain cyanurates) and so is more suited for use in indoor pools where chlorine loss through the effects of sunlight are much less. Calcium Hypochlorite is the preferred method of shock treatment because it is readily soluble and rapidly increases the free chlorine content of the water. Just as importantly the chlorine level drops quickly, especially in strong sunlight, to a level in which bathers can return into the water. Calcium Hypochlorite is ideal for shock dosing as it is a strong oxidising agent. This enables it to destroy combined chlorines, the source of irritation and odour complaints. Calcium Hypochlorite contains 65% available chlorine. Most commonly supplied as a granule, but can be tabletised for use with erosion feeders. Regulatory Information Use this to check what is behind the brand name. Often you are buying a simple chemical. Look on the regulatory part of the label and most of the following should be there. Chemical Name: Calcium Hypochlorite, dry granular UN Number 2880 Class 5.1 Oxidising EC Number 231-908-7 CAS No. 7778-54-3

ITEMS	STANDARD	TEST RESULTS
Appearance	White, free flowing granular product	Conforms
Available Chlorine %	≥65%	66%
Direct Moisture %	5.5-10	8%
CaCl2 %	≤2.0	0.78%
CaCO3 %	≤3.0	0.92%
Ca(OH)2 %	≤2.0	0.78%
NaCl %	≤20%	14.5%
Conclusion:   Complies with the standard GB/T 10666-2008

calcium hypochlorite