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Chemical database: Sodium bicarbonate

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Chemical formula NaHCO3
Molar mass 84.01 g mol -1
Density 2.20 g cm -3
Melting point decomposition (~ 50 °C)
Boiling point -
Solubility 9.6 g in 100 mL H2O (20 °C)
CAS number 144-55-8
Hazards -

Sodium bicarbonate is an inorganic compound which comes in form of small colorless crystals, at standard conditions. It has a slightly salty taste. Sodium bicarbonate is soluble in water. NaHCO3 is used in gastronomy where it forms carbon dioxide by reacting with other compounds. This effect helps dough to "rise". The only requirement for this to work, is the presence of acidic compounds in the food to which NaHCO3 is added. This compound is also often used in laboratories for the neutralization of acids, and bases too, since NaHCO3 is amphoteric (it reacts both with acids and bases). Because of its ability to neutralize acids, it is often used as an antacid.

Sodium bicarbonate can be bought in most supermarkets in various amounts - from smaller packages containing a few tens of grams, to larger packages containing several hundred grams of this compound. It can probably also be bought in drugstores/pharmacies. Chemical selling companies surely sell this compound too, although probably only in larger amounts.


  Acetic acid
  Acetylsalicylic acid
  Ammonium nitrate
  Calcium carbide
  Calcium carbonate
  Calcium hydroxide
  Calcium oxide
  Hydrochloric acid
  Hydrogen peroxide
  Iron(III) oxide
  Lithium carbonate
  Methyl ethyl ketone
  Nitric acid
  Potassium carbonate
  Potassium chlorate
  Potassium chloride
  Potassium metabisulphite
  Potassium nitrate
  Potassium permanganate
  Sodium acetate
  Sodium benzoate
  Sodium bicarbonate
  Sodium bromide
  Sodium carbonate
  Sodium chloride
  Sodium hydroxide
  Sodium hypochlorite
  Sulphuric acid
  Trichloroisocyanuric acid