File:Bicarbonate_resonance.svg · Wikimedia Commons · See Wikimedia Commons
bicarbonate ion
Sign in to saveAlso known as HCO3, hydrogen carbonate, HCO3(-), [CO2(OH)](-), hydrogen carbonate (HCO3-), hydrocarbonate(1-), hydrogen carbonate ion (HCO3-), bicarbonate ion (HCO31-)
In inorganic chemistry, bicarbonate (American English: ) (IUPAC-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid. It is a polyatomic anion with the chemical formula HCO3–.
Chemical data
- Formula
- CHO3-
- Molecular weight
- 61.017 g/mol
- IUPAC name
- hydron carbonate
- SMILES
- [H+].C(=O)([O-])[O-]
- InChIKey
- BVKZGUZCCUSVTD-UHFFFAOYSA-M
- Polar surface area
- 63.2 Ų
- H-bond donors
- 1
- H-bond acceptors
- 3
- Formal charge
- -1
via PubChem
Wikidata facts
- Subclass of
- monoprotic acid
- Has part
- carbon
- Mass
- 60.993
Show 5 more facts
- canonical SMILES
- C(=O)(O)[O-]
- chemical formula
- CHO₃⁻
- conjugate acid
- carbonic acid
- Commons category
- Bicarbonate ion
- subject has role
- primary metabolite
via Wikidata · CC0
~6 min read
Encyclopedic overview
9 sectionsContents
- Chemical properties
- Physiological role
- Bicarbonate in the environment
- Other uses
- Diagnostics
- Bicarbonate compounds
- See also
- References
- External links
In inorganic chemistry, bicarbonate (American English: ) (IUPAC-recommended nomenclature: hydrogencarbonate) is an intermediate form in the deprotonation of carbonic acid. It is a polyatomic anion with the chemical formula HCO3–.
Bicarbonate serves a crucial biochemical role in the physiological pH buffering system.
Excerpted from Wikipedia’s “bicarbonate ion” article, available under the CC BY-SA 4.0 licence.