S

Sodium bicarbonate

IUPAC: sodium hydrogen carbonate

NaHCO3 Salts CAS 144-55-8
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Quick Reference
Formula / NotationNaHCO3
CAS Number144-55-8
Molecular Weight84.007
Melting PointDecomposes at 228 °F (NTP, 1992)
Density2.159 (NTP, 1992) - Denser than water; will sink
Solubility1 in 10 % at 77 °F (NTP, 1992)
AppearanceSodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77 °F. pH (of saturated solu...
Also Known Assodium hydrogen carbonate; 144-55-8; Sodium hydrogen carbonate; Baking soda; Sodium hydrogencarbonate; Sodium acid carbonate; Bicarbonate of soda; Carbonic acid monosodium salt; Monosodium carbonate; Meylon
CategorySalts

What is Sodium bicarbonate?

Sodium hydrogencarbonate is an organic sodium salt and a one-carbon compound. It has a role as an antacid and a food anticaking agent. It contains a hydrogencarbonate.

Formula & Notation

NaHCO3

IUPAC Name: sodium hydrogen carbonate

Other Names / Synonyms: sodium hydrogen carbonate; 144-55-8; Sodium hydrogen carbonate; Baking soda; Sodium hydrogencarbonate; Sodium acid carbonate; Bicarbonate of soda; Carbonic acid monosodium salt; Monosodium carbonate; Meylon

Properties & Characteristics

Appearance: Sodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77 °F. pH (of saturated solu.... Molecular formula: CHNaO3. Molecular weight: 84.007 g/mol. Melting point: Decomposes at 228 °F (NTP, 1992). Density: 2.159 (NTP, 1992) - Denser than water; will sink. Solubility: 1 in 10 % at 77 °F (NTP, 1992).

Physical Data

PropertyValue
Melting PointDecomposes at 228 °F (NTP, 1992)
Density2.159 (NTP, 1992) - Denser than water; will sink
Molecular Weight84.007
Solubility1 in 10 % at 77 °F (NTP, 1992)
AppearanceSodium bicarbonate appears as odorless white crystalline powder or lumps. Slightly alkaline (bitter) taste. pH (of freshly prepared 0.1 molar aqueous solution): 8.3 at 77 °F. pH (of saturated solu...

Uses & Applications

Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.

Safety Information

Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.

Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.

Key Facts

Term Sodium bicarbonate
Formula NaHCO3
CAS Number 144-55-8
Molecular Weight 84.007
Category Salts
Index All "S" terms
Synonyms sodium hydrogen carbonate; 144-55-8; Sodium hydrogen carbonate; Baking soda; Sodium hydrogencarbonate; Sodium acid carbonate; Bicarbonate of soda; Carbonic acid monosodium salt; Monosodium carbonate; Meylon

Frequently Asked Questions

Sodium hydrogencarbonate is an organic sodium salt and a one-carbon compound. It has a role as an antacid and a food anticaking agent. It contains a hydrogencarbonate.

More "S" Terms

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Editorial standards: Chemical data is sourced from peer-reviewed literature, CAS Registry, NIST WebBook, and PubChem. Safety information reflects guidance from OSHA, ECHA, and IAEA. For educational purposes only — always consult official SDS documentation and qualified professionals before handling chemicals.

AllChemicals.info — The Online Chemical Glossary | https://allchemicals.info/chemical/sodium-bicarbonate

For educational purposes only. Verify all information before use.