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Sodium bicarbonate

Sodium bicarbonate


Sodium bicarbonate (Sodium bicarbonate), Molecular formula is NAHCO3, is an inorganic salt, white crystalline powder, odorless, taste alkali, soluble in water.
In the humid air or hot air that is slow decomposition, carbon dioxide, heated to 270℃ complete decomposition. When it meets acid, it decomposes strongly to produce carbon dioxide.
Sodium ions are normally needed by the human body and are generally considered non-toxic. But excessive intake may cause alkalosis, damage to the liver, and can induce high blood pressure.
Sodium bicarbonate solids begin to decompose at above 50℃ to generate sodium carbonate, water and carbon dioxide gas, which is often used as a leavening agent for making biscuits, cakes, steamed buns and bread. Sodium bicarbonate will remain after the action of sodium carbonate, too much use will make the finished product have alkali taste.

Product name: Natrium Bicarbonate
Alias: Baking soda; Bicarbonate of soda; Carbonic acid monosodium salt; col-evac; meylon; monosodium carbonate; monosodium hydrogen carbonate; Sodium acid carbonate; sodium hydrocarbonate; Sodium Hydrogen Carbonate; soda mint; soludal; hydrogen carbonate
Chemical formula: NaHCO3
Molecular weight: 84.01
CAS: 144-55-8
EINECS: 205-633-8
Melting point: 270 ℃
Boiling point: 851 ℃
Water solubility: soluble in water, insluble in ethyl alcohol
Density: 2.16 g/cm3
Appearance: white crystal, or opaque monoclinic crystal system fine crystal
Safety description: S24/25
Physical properties:
White crystal, or opaque monoclinic crystal fine crystal, odorless, salty, soluble in water, insoluble in ethanol. Solubility in water 7.8g (18℃), 16.0g (60℃)
Chemical properties:
It is stable in normal temperature and easy to decompose when heated. It decomposes rapidly at 50℃ and completely loses carbon dioxide at 270℃. It has no change in dry air and slowly decomposes in humid air. It can react with both acids and bases. Reacts with acids to form corresponding salts, water and carbon dioxide, and reacts with bases to form corresponding carbonates and water. In addition, it can react with certain salts and undergo double hydrolysis with aluminum chloride and aluminum chlorate to produce aluminum hydroxide, sodium salts and carbon dioxide

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