# Sodium bicarbonate

CAS: 144-55-8
PubChem CID: 516892
InChIKey: UIIMBOGNXHQVGW-UHFFFAOYSA-M
Wikidata: Q179731
Molecular formula: NaHCO₃
Molar mass: 84.007 g/mol
IUPAC: sodium hydrogen carbonate
SMILES: C(=O)(O)[O-].[Na+]
InChI: InChI=1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
PSA: 60.4 A^2
Hydrogen bond donors: 1
Hydrogen bond acceptors: 3
Rotatable bonds: 0
Heavy atoms: 5
3D structure: 6 atoms, 5 bonds

## About the compound

Sodium bicarbonate is a chemical compound registered under CAS number 144-55-8. Molecular formula: NaHCO₃. Molar mass: 84.007 g/mol. The full systematic IUPAC name is: sodium hydrogen carbonate. The molecule contains 6 atoms connected by 5 chemical bonds. 
Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molekula/144-55-8/


## Synonyms

  - SODIUM BICARBONATE
  - 144-55-8
  - Sodium hydrogen carbonate
  - Baking soda
  - Sodium hydrogencarbonate
  - Sodium acid carbonate
  - Bicarbonate of soda
  - Carbonic acid monosodium salt
  - Monosodium carbonate
  - Meylon
  - NaHCO3
  - Neut

## Available in the shop

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Product: Sodium Bicarbonate (CAS 144-55-8) — Xilong Scientific
URL: https://molgod.org/sds-cards/sodium-bicarbonate-cas-no-144-55-cas-144-55-8-xilong-scientific/

## Data sources

  - PubChem CID 516892: https://pubchem.ncbi.nlm.nih.gov/compound/516892
  - Wikidata: https://www.wikidata.org/wiki/Q179731
  - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=144-55-8
  - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=144-55-8

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Last updated: 2026-09-02
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