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Magnesium Carbonate

Magnesium Carbonate in Tradeasia

IUPAC Name

Magnesium Carbonate

Cas Number

23389-33-5 or 546-93-0

HS Code

2836.99.10.00

Formula

MgCO3

Industry

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Basic Info

Appearance

White Powder

Common Names

N-hydrate; Magnesium carbonate (1:1) hydrate

Packaging

1000 @ 20 kg kraft paper bag with inner plastic bag in 20MT / 20FCL

Brief Overview

 

Magnesium carbonate, MgCO3, is an inorganic salt that is a white solid. Several hydrated and basic forms of magnesium carbonate also exist as minerals. The most common magnesium carbonate forms are the anhydrous salt called magnesite (MgCO3). All forms of magnesium carbonate react in acids. Magnesium carbonate crystallizes in the calcite structure where in Mg2+ is surrounded by six oxygen atoms.

 

Manufacturing Process

 

Magnesium carbonate can be manufactured from reaction between magnesium hydroxide and carbon dioxide. Magnesium hydroxide is treated with 3.5 to 5 atm of carbon dioxide below 50 °C, giving soluble magnesium bicarbonate:

Mg(OH)2 + 2 CO2 → Mg(HCO3)2

Following the filtration of the solution, the filtrate is dried under vacuum to produce magnesium carbonate as a hydrated salt.

Pharmaceutical Industry

Magnesium carbonate is an antacid used for symptomatic relief of heartburn, indigestion, and upset stomach

 

Detergent Industry

 

Used in bath products, makeup products, personal cleanliness products, shaving products, oral care products and skin and hair care products.

 

Construction Industry

 

The primary use of magnesium carbonate is the production of magnesium oxide by calcining. Magnesite and dolomite minerals are used to produce refractory bricks. MgCO3 is also used in flooring, fireproofing, fire extinguishing compositions, and dusting powder.

 

Other Applications

 

Used as a drying agent for hands in rock climbing, gymnastics, and weight lifting. Magnesium carbonate is also used in taxidermy for whitening skulls. It can be mixed with hydrogen peroxide to create a paste, which is then spread on the skull to give it a white finish. It can also be used as filler material, smoke suppressant in plastics and reinforcing agent in neoprene rubber.

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