Synthesis of sodium bicarbonate

Preparation of sodium bicarbonate

Preparation of sodium bicarbonate

Preparation of sodium bicarbonate

The Solvay process depends on the fact that of all the possible combinations of ions present in the aqueous reaction mixture (NH4+, Na+, Cl, HCO3) sodium bicarbonate is the least soluble and hence precipitates out first under the proper concentration conditions. 60g of powdered sodium chloride are added to 180g of a 10% aqueous solution of ammonia and the mixture is allowed to stand, with occasional swirling, until al most all the salt has dissolved. The filtered solution is placed in a 1-liter flask fitted with a gas delivery tube leading al most to the bottom of the vessel and an exit tube of narrowbore glass (3mm inner diameter). A steady stream of carbon dioxide (about 3 bubbles/sec) is led into the flask, which is swirled from time to time. After some time, when the saturation point of sodium bicarbonate has been exceeded, the product suddenly precipitates. The carbonation is continued for four hours, the mixture is then cooled in running water and filtered by suction. The product is pressed down well, washed with 25ml of ice water and dried in air. Yield 55-58g.

Inorganic laboratory preparations, by G. G. Schlessinger, 57-58, 1962


sodium;hydrogen carbonate



InChI Key


Canonical SMILES


MeSH Synonyms

Baking Soda, Bicarbonate, Sodium, Carbonic Acid Monosodium Salt, Hydrogen Carbonate, Sodium, Soda, Baking, Sodium Bicarbonate, Sodium Hydrogen Carbonate

Depositor-Supplied Synonyms

SODIUM BICARBONATE, Sodium hydrogen carbonate, Baking soda, Sodium hydrogencarbonate, 144-55-8, Bicarbonate of soda, Meylon, Carbonic acid monosodium salt, Sodium acid carbonate, Acidosan, Neut, Sodium hydrocarbonate, Jusonin, Nulytely, Soludal, Natron, Natriumhydrogenkarbonat, Col-evac, Soda Mint, Sel De vichy, Monosodium carbonate, Natrium bicarbonicum, Soda (van), Monosodium hydrogen carbonate, NaHCO3, Caswell No. 747, Natrii hydrogencarbonas, Colovage, Glycoprep, Golytely, Gripe water, Natrium hydrogencarbonicum, Peg-lyte, Go-evac, Co-lav, UNII-8MDF5V39QO, Sodium bicarbonate (1:1), BSS plus, Lithium bicarbonate, Natrum bicarbonicum, Carbonic acid, monosodium salt, Meylon (TN), CCRIS 3064, HSDB 697, Sodium carbonate (Na(HCO3)), E-Z-EM Prep Lyte, CHEBI:32139, AC1LANJA, Neut (TN), Carbonic acid sodium salt (1:1), Hema BP-38, Sandoz sodium bicarbonate, EINECS 205-633-8, Sodium bicarbonate solution, EPA Pesticide Chemical Code 073505, NSC 134031, Sodium bicarbonate in plastic container, AC1Q1W5G, CHEMBL1353, S3817_SIGMA, S4019_SIGMA, S5761_SIGMA, S7277_SIGMA, S8761_SIGMA, 13433_RIEDEL, 31437_RIEDEL, S4019_SIAL, S6014_SIAL, S6297_SIAL, S8875_SIAL, 800 Sodium Bicarbonate Powder, Sodium bicarbonate [USAN:JAN], 36486_FLUKA, 88208_FLUKA, 13433_SIAL, 31437_SIAL, 401676_SIAL, Sodium bicarbonate liquid concentrate, DB01390, LS-2380, E500, 7542-12-3 (unspecified hydrochloride salt), C12603, D01203, sodium hydrogen-carbonate, Sodium hydrogencarbonate-13C, Soda, Baking, 151127-72-9, 172672-17-2, 196216-68-9, 199723-76-7, 246180-97-2, Bicarbonate, Sodium, Hydrogen Carbonate, Sodium, nahcolita, sodiumbicarbonate, sodium bicarbonata, sodium-bicarbonate, sodiumbi-carbonate, CID8953, sodium bi-carbonate, sodium bicarbonate-, Sodium bi carbonate, CID516892, natriumhydrogencarbonat, sodiumhydrogencarbonate, sodiumhydrogen carbonate, PubChem23592, ACMC-20ajp0, hydrogen carbonate sodium, sodium hyd-rogencarbonate, 8MDF5V39QO, D017693, KSC175M0P, CTK0H5607, Sodium bicarbonate (JP15/USP), Sodium bicarbonate (JP16/USP), MolPort-003-926-303, UIIMBOGNXHQVGW-UHFFFAOYSA-M, DAP000128, AKOS015836321, AKOS015951222, RP18407, RTR-005643, IN002190, IN010460, IN011272, IN013644, KB-60503, S304, SC-27096, AB1009420, TR-005643, E 500, E-500, S0561, 3B4-2375

Removed Synonyms

Baros, Colyte, Citrocarbonate, Mixture Name, Potassium bicarbonate, ENDOSOL EXTRA, ELLIOTTS B SOLUTION, 5006-97-3, OCL

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