Calcium Carbonate USP
Calcium Carbonate is the main component of shells of marine organisms, snails, coal balls, pearls and egg shells. It is mainly used as calcium supplement or as an antacid.
Calcium carbonate is mainly used as a building material in the construction industry. It is also used in the purification of iron from iron ore, in swimming pools as a pH corrector, in the refining of sugar from sugar beet, in blackboard chalks, in the production of glossy paper, as an extender in paints, in adhesives, sealants and decorating fillers and in ceramic/glazing applications.
Chemical Name: Calcium Carbonate
Mol. Formula: CaCO3
Mol. Weight: 100.09 g/mol
CAS No.: 471-34-1
|Appearance||A white or almost white powder|
|Solubility||It is practically insoluble in water|
|Loss on drying||Not more than 2%|
|Acid insoluble substances||Maximum 0.2%|
|Limit of fluoride||Maximum 0.005%|
|Mercury||Maximum 0.5 micro-gm per gm|
|Limit of magnesium and alkali salts||Maximum 1%|
|Heavy metals||Maximum 0.002%|
|Organic volatile impurities||Passes test|
|Residual solvents||Passes test|
|Assay||Not less than 98% and not more than 100.5%|
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
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We observe WHO Good manufacturing practice and Good laboratory practice.