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Carbonates and bicarbonates

Bicarbonate ion

Also known as bicarbonate, Hydrogen carbonate, Hydrogencarbonate

CAS 71-52-3Formula CHO3-Molar mass 61.02 g/mol
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Bicarbonate ion chemical structure, CHO3-, CAS 71-52-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
71-52-3
Formula
CHO3-
Molar mass
61.02 g/mol
HS code
283699
Category
Carbonates and bicarbonates

What is Bicarbonate ion?

Plain description, key identifiers and synonyms

Hydrogencarbonate is the carbon oxoanion resulting from the removal of a proton from carbonic acid. It has a role as a cofactor, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a conjugate base of a carbonic acid. It is a conjugate acid of a carbonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hydrogen carbonate
CAS number
71-52-3 CAS number cross-checked
Molecular formula
CHO3-
UNII
HN1ZRA3Q20
InChIKey
BVKZGUZCCUSVTD-UHFFFAOYSA-M
InChI
InChI=1S/CH2O3/c2-1(3)4/h(H2,2,3,4)/p-1
SMILES (canonical and isomeric)
C(=O)(O)[O-]

Synonyms

  • bicarbonate
  • Hydrogen carbonate
  • Hydrogencarbonate
  • Carbonate, hydrogen
  • Monohydrogen carbonate
  • Bicarbonate ions
  • Acid carbonate
  • Hydrogen carbonate ion
  • hydrogencarbonate(1-)
  • hydrogentrioxocarbonate(IV)
  • hydrogentrioxocarbonate(1-)
  • hydroxidodioxidocarbonate(1-)
  • hydrogen(trioxidocarbonate)(1-)
  • HCO3(-)
  • Bicarbonate (mart.)
  • Carbonate (HCO31-)
  • Carbonate ion (HCO31-)
  • (CO2(OH))(-)
  • [CO2(OH)](-)
  • Bicarbonate (HCO3-)
  • Bicarbonate ion (HCO31-)
  • Hydrogen carbonate (HCO3-)
  • Carbonate, hydrogen(8CI,9CI)
  • Bicarbonate anion
  • Hydrogen carbonate anion
Show all 35 synonyms
  • Bicarbonates
  • Hydroxyformate
  • BCT
  • hydrogen-carbonate
  • 524 - Carbonated water
  • Carbonic acid, ion(1-)
  • 59 - Bottled Mineral Water
  • Sodium bicarbonate, acs
  • 102 - Bottled Mineral Water
  • Sodium bicarbonate, u.s.p.

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
61.02 g/molcalc.
Exact mass
60.9931 Dacalc.
LogP (octanol/water)
-1.11calc.
Topological polar surface area
60.36 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
4calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
-1calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Bicarbonate ion suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 9 suppliers
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Where suppliers are based

9 suppliers in 5 countries

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Bicarbonate ion price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • Escherichia coli metabolite
  • Saccharomyces cerevisiae metabolite
  • animal metabolite
  • bacterial metabolite
  • cofactor
  • eukaryotic metabolite
  • fungal metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mouse metabolite
  • prokaryotic metabolite

Pharmacology

The mechanism of action of bicarbonate ion is as an Alkalinizing Activity.

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • Active ingredient in FDA approved drug labels

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Bicarbonate ion is traded under.

HS 2836.99Indicative HS code

Carbonates not elsewhere classified in heading 2836 and other than lithium or strontium

World exports in 2024
$992M
+2.4% vs 2023, imports $921M
2019 to 2024
Top exporters
  1. China31.0%
  2. Germany21.9%
  3. Poland11.4%
Top importers
  1. United States13.3%
  2. Poland4.9%
  3. Spain4.9%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Bicarbonate ion is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Bicarbonate ion, based on the data on this page

What is Bicarbonate ion?

Hydrogencarbonate is the carbon oxoanion resulting from the removal of a proton from carbonic acid. It has a role as a cofactor, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a human metabolite. It is a conjugate base of a carbonic acid.

What is the CAS number of Bicarbonate ion?

The CAS registry number of Bicarbonate ion is 71-52-3.

What is the molecular formula and weight of Bicarbonate ion?

The molecular formula of Bicarbonate ion is CHO3- and its molar mass is 61.02 g/mol.

What is Bicarbonate ion used for?

Known uses and roles of Bicarbonate ion include escherichia coli metabolite, saccharomyces cerevisiae metabolite, animal metabolite, bacterial metabolite, cofactor and 7 more.

Is Bicarbonate ion hazardous?

No GHS hazard classification for Bicarbonate ion is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Bicarbonate ion?

Bicarbonate ion is usually classified under HS code 283699 (Carbonates, peroxocarbonates (percarbonates), commercial ammonium carbonate containing…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Bicarbonate ion?

CompoundList lists 9 suppliers of Bicarbonate ion in China, United States, Germany, Hong Kong and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Bicarbonate ion?

Suppliers quote Bicarbonate ion on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Bicarbonate ion

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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