Calcium Bromide Formula

Calcium Bromide Formula

Calcium Bromide, also known as Calcium Dibromide, is a compound known to be used in some drilling fluids and food preservatives. Calcium dibromide does not damage any formations. It is chemically and thermally stable. Other solutions containing chlorides and bromides can be mixed with this compound. It is formed by the reaction of Calcium Carbonate CaCO3 and Calcium Oxide with Hydrobromic acid. Calcium Bromide does not occur in nature.

Calcium Bromide Formula Structure

The Calcium Bromide Formula is significant information which must be acquired by students. The chemical Calcium Bromide Formula is CaBr2.

This compound is commonly found as a hydrated salt containing two water molecules and also as a hexahydrate salt. It is formed by a cation Ca2+ and two anions Br−. Its structure is an octahedron with Ca centers ionically bound to a total of six anions Br-. Students are advised to visit Extramarks for study materials related to Calcium Bromide Formula

Properties Of Calcium Bromide Formula

Calcium Bromide is a white, hygroscopic powder available in anhydrous form. Its density is 3.35 grams per litre and its melting point is 730°C. The boiling point is 1935°C. Calcium Bromide is soluble in water, ethanol, methanol, and acetone, but insoluble in organic solvents.

Calcium Bromide can cause many reactions. The formation of Calcium Oxide from Calcium Bromide and Oxygen gas is useful for the chemical industry. This reaction takes place at high temperatures and produces Bromine gas.

What is Calcium Bromide?

Calcium Bromide is formed from one calcium atom and two bromine atoms. The molecular or chemical formula for Calcium Bromide is CaBr2.

In anhydrous form, it is anhydrous, hygroscopic, colorless crystals with a pungent salty taste. Soluble in water and alcohol. It is made by reacting calcium carbonate (CaCO3) and Calcium Oxide with hydrobromic acid (HBr). Alternatively, it is made by reacting calcium metal with elemental bromine. Commonly used as a dense aqueous solution for drilling fluids. It is also widely used in neurotic medicines, food preservatives, frozen mixes, flame retardants, and photography. For more information about Calcium Bromide Formula, students can visit the Extramarks website.


Calcium Bromide is produced from the reaction of Calcium Oxide with Hydrobromic Acid. Alternatively, it can be made by the reaction of metallic Calcium and elemental Bromine.




White, hygroscopic Calcium Bromide powder is available in anhydrous form. There is a thickness of 3.35 grams per liter, a liquefaction point of 730°C, and a boiling point of 1935°C. It is soluble in water, ethanol, methanol, and acetone, but it is insoluble in natural solvents. It is possible for Calcium Bromide to cause a variety of reactions. It is used in the production of Calcium Oxide from Calcium Bromide and oxygen gas in the synthetic industry. This reaction takes place at high temperature and produces Bromine gas.


Calcium Bromide is mainly used as high density aqueous solution of drilling fluid. It also has important applications in neurotic medicine, food preservatives, frozen mixes, flame retardants, photography, and more. This salt is used in the food industry as a preservative and as an ingredient in frozen mixes. It is also useful as a flame retardant, wood preservative, and dehydrating agent. In upstream oil and gas, Calcium Bromide helps control wellbore pressure during completion and finishing operations. Calcium Bromide is sprayed on coal before combustion to control mercury emissions. When charcoal burns, Calcium Bromide decomposes and reacts with elemental mercury to produce ionic species of mercury. It can then be captured by downstream environmental protection equipment.

Solved Examples

Q.1: What is a serious health hazard of Calcium Bromide?

Solution: Calcium Bromide can also irritate eyes, skin and mucous membranes and is very toxic if swallowed.

Q.2: Calculate the molar mass of Calcium Bromide.

Solution: The chemical formula for Calcium Bromide is: CaBr2.

Its molar mass is:

= 40.078 + 2 × 79.904

= 199.89 grams/mole.

Therefore, the molar mass of Calcium Bromide is 199.89 grams/mol.

Students can visit the website of Extramarks for Calcium Bromide Formula and other formulas

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