Sodium hydrogen carbonate (NaHCO3)-Granules introduce:
Sodium bicarbonate (IUPAC name: sodium hydrogen carbonate), commonly known as baking soda (mainly North America) or bicarbonate of soda, is a chemical compound with the formula NaHCO3. It is a salt composed of a sodium cation (Na+) and a bicarbonate anion (HCO3−).
Molar mass: 84.0066 g mol−1
Melting point:(Decomposes to sodium carbonate starting at 50 °C)
Solubility in water:69 g/L (0 °C);96 g/L (20 °C);165 g/L (60 °C)
Solubility:0.02 wt% acetone, 2.13 wt% methanol @22 °C.insoluble in ethanol
Acidity (pKa):10.329;6.351 (carbonic acid)
Refractive index (nD):nα = 1.377 nβ = 1.501 nγ = 1.583
Sodium hydrogen carbonate is used as a laboratory chemical, a leavening agent, a neutralizer, as an active component in fire extinguishers, as a source of carbon dioxide and as a pH balancer in pools, as a cattle feed supplement and in spas and garden ponds. It is utilized for paint and corrosion removal, in baking powder, as a mild abrasive and a cleaning compound. In the field of medicine, it is used as an antacid to treat acid indigestion and heartburn.
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