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Carboxylic acids and anhydrides

Malonate ion

Also known as Propanedioate, Malonate dianion, Malonic acid, ion(2-)

CAS 156-80-9Formula C3H2O4-2Molar mass 102.05 g/mol
4 suppliers listed
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Malonate ion chemical structure, C3H2O4-2, CAS 156-80-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
156-80-9
Formula
C3H2O4-2
Molar mass
102.05 g/mol
HS code
291719
Category
Carboxylic acids and anhydrides

What is Malonate ion?

Plain description, key identifiers and synonyms

Malonate(2-) is a dicarboxylic acid dianion obtained by the deprotonation of the carboxy groups of malonic acid. It has a role as a mitochondrial respiratory-chain inhibitor and a human metabolite. It is a conjugate base of a malonate(1-).

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
propanedioate
CAS number
156-80-9 CAS number cross-checked
Molecular formula
C3H2O4-2
UNII
4N2NU7R76L
InChIKey
OFOBLEOULBTSOW-UHFFFAOYSA-L
InChI
InChI=1S/C3H4O4/c4-2(5)1-3(6)7/h1H2,(H,4,5)(H,6,7)/p-2
SMILES (canonical and isomeric)
C(C(=O)[O-])C(=O)[O-]

Synonyms

  • Propanedioate
  • Malonate dianion
  • Malonic acid, ion(2-)
  • Propanedioic acid, ion(2-)
  • Malonate ion(2-)
  • malonate(2-)
  • malo
  • Sodium, Malonate
  • 1,3-dioxidopropane-1,3-dione
  • (-)OOC-CH2-COO(-)

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
102.05 g/molcalc.
Exact mass
101.9964 Dacalc.
LogP (octanol/water)
-3.12calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.33calc.
Formal charge
-2calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

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.

Malonate ion suppliers

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

All 4 suppliers
4 of 4 offers

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Where suppliers are based

4 suppliers in 2 countries

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Malonate ion price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • animal metabolite
  • electron-transport chain inhibitor
  • enzyme inhibitor
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • mitochondrial respiratory-chain inhibitor
  • pathway inhibitor
  • respiratory-chain inhibitor

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2917.19Indicative HS code

Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$718M
+8.1% vs 2023, imports $915M
2019 to 2024
Top exporters
  1. China46.6%
  2. United States13.7%
  3. Germany10.1%
Top importers
  1. United States16.2%
  2. Denmark11.8%
  3. Germany10.0%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Malonate ion?

Malonate(2-) is a dicarboxylic acid dianion obtained by the deprotonation of the carboxy groups of malonic acid. It has a role as a mitochondrial respiratory-chain inhibitor and a human metabolite. It is a conjugate base of a malonate(1-).

What is the CAS number of Malonate ion?

The CAS registry number of Malonate ion is 156-80-9.

What is the molecular formula and weight of Malonate ion?

The molecular formula of Malonate ion is C3H2O4-2 and its molar mass is 102.05 g/mol.

What is Malonate ion used for?

Known uses and roles of Malonate ion include building blocks in research and laboratory, animal metabolite, electron-transport chain inhibitor, enzyme inhibitor, eukaryotic metabolite and 6 more.

Is Malonate ion hazardous?

No GHS hazard classification for Malonate 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 Malonate ion?

Malonate ion is usually classified under HS code 291719 (Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Malonate ion?

CompoundList lists 4 suppliers of Malonate ion in China and Russia. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Malonate ion?

Suppliers quote Malonate 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 Malonate 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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