Calcium carbonate CAS 471-34-1
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Chemical Name: Calcium carbonate
Molecular Fomula: CCaO3
Molecular weight: 100.0869
Appearance: White-beige to slightly beige-gray random crystals
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Description of Calcium carbonat
Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks as the minerals calcite and aragonite (most notably as limestone) and is the main component of pearls and the shells of marine organisms, snails, and eggs. Calcium carbonate is the active ingredient in agricultural lime and is created when calcium ions in hard water react with carbonate ions to create limescale. It is medicinally used as a calcium supplement or as an antacid, but excessive consumption can be hazardous.
Basic Info of Calcium carbonat
Calcium carbonate;Calcium Carbonate (synthetic);Calcium carbonate,light powder;
Appearance & Physical State
white or colourless crystals or white powder or chunks
333.6ºC at 760mmHg
Stable. Incompatible with acids, fluorine, ammonium salts, alum.
Store at RT.
What is Calcium carbonat?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Calcium carbonate which has developed particularly rapidly in recent years. Do you know about Calcium carbonate?
The official answer: Calcium carbonate is an inorganic compound with the chemical formula CaCO₃, commonly known as ashlar, limestone, stone dust, etc. Calcium carbonate is alkaline, essentially insoluble in water and soluble in hydrochloric acid. It is one of the common substances found on earth within rocks such as aragonite, calcite, chalk, limestone, marble and travertine, and is also a major component of certain animal bones or shells. Calcium carbonate is also an important building material and has a wide range of industrial uses.
What’s the application of Calcium carbonat?
- In the biology experiment “Extraction of pigments from green leaves”, the addition of a little calcium carbonate to the grinding prevents the pigments from being destroyed during grinding.
- Calcium carbonate is used in the preparation of CaO, Ca(OH)2 and NaOH.
- Carbon dioxide can be prepared by reacting calcium carbonate with hydrochloric acid (usually dilute hydrochloric acid): CaCO3 + 2HCl = CaCl2 + CO2↑ + H2O (the product calcium chloride solution can be labelled as soap).
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