Calcium carbonate CAS 471-34-1

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Chemical Name: Calcium carbonate
CAS No.:471-34-1
Molecular Fomula: CCaO3
Molecular weight: 100.0869
Appearance: White-beige to slightly beige-gray random crystals
Sample: Available

Calcium carbonate CAS 471-34-1

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

Chemical Name

calcium carbonate


Calcium carbonate;Calcium Carbonate (synthetic);Calcium carbonate,light powder;



Molecular Formula


Molecular Weight






Safety Info



Safety Statements


HS Code


WGK Germany

Risk Statements

R36/37/38; R41

Hazard Codes



Appearance & Physical State

white or colourless crystals or white powder or chunks



Boiling Point

333.6ºC at 760mmHg

Melting Point


Flash Point


Refractive Index


Water Solubility



Stable. Incompatible with acids, fluorine, ammonium salts, alum.

Storage Condition

Store at RT.

Numbering system
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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?

  1. 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.
  2. Calcium carbonate is used in the preparation of CaO, Ca(OH)2 and NaOH.
  3. 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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