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Name:  Sodium bicarbonate

Synonyms:  Sodium hydrogen carbonate; Sodium hydrocarbonate

Molecular Formula: NaHCO3

Molecular Weight:84.01

CAS Registry Number:144-55-8

EINECS:  205-633-8

Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. It has a slight alkaline taste resembling that of washing soda (sodium carbonate). It is a component of the mineral natron and is found dissolved in many mineral springs. The natural mineral form is known as nahcolite. It is also produced artificially. Since it has long been known and is widely used, the salt has many related names such as baking soda, bread soda, cooking soda, bicarbonate of soda. Colloquially, its name is shortened to sodium bicarb, bicarb soda, or simply bicarb. The word saleratus, from Latin sal æratus meaning "aerated salt", was widely used in the 19th century for both sodium bicarbonate and potassium bicarbonate. The term has now fallen out of common usage.
Speciafication
Product name Sodium bicarbonate
Molar mass 84.0066 g/mol
Appearance white crystalline solid
Density 2.159 g/cm3
Melting point 270 °C (decomp)
Solubility in water 7.8 g/100 mL (18 °C)
Solubility insoluble in alcohol
Acidity (pKa) 10.3
Boiling point  851 ºC

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