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Carboxylic acids and anhydrides

Oxalate

Also known as Oxalates, Oxalate Ion, ethanedioate

CAS 338-70-5Formula C2O4-2Molar mass 88.02 g/mol
2 suppliers listed
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Oxalate chemical structure, C2O4-2, CAS 338-70-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
338-70-5
Formula
C2O4-2
Molar mass
88.02 g/mol
HS code
291711
Category
Carboxylic acids and anhydrides

What is Oxalate?

Plain description, key identifiers and synonyms

Oxalate(2-) is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of oxalic acid. It has a role as a plant metabolite and a human metabolite. It is an oxalate and a dicarboxylic acid dianion. It is a conjugate base of an oxalate(1-).

Oxalate is a dianion of oxalic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
oxalate
CAS number
338-70-5
Molecular formula
C2O4-2
UNII
PQ7QG47K6T
InChIKey
MUBZPKHOEPUJKR-UHFFFAOYSA-L
InChI
InChI=1S/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)/p-2
SMILES (canonical and isomeric)
C(=O)(C(=O)[O-])[O-]

Synonyms

  • Oxalates
  • Oxalate Ion
  • ethanedioate
  • oxalate(2-)
  • Oxalic acid, ion(2-)
  • Ethanedioic acid, ion(2-)
  • oxalate2-
  • oxalate dianion
  • 3mof
  • 2rk7
  • Oxalate ion(2-)
  • Oxalate (c2o42-)
  • Oxalate ion (c2o42-)
  • OX

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
88.02 g/molcalc.
Exact mass
87.9808 Dacalc.
LogP (octanol/water)
-3.51calc.
Topological polar surface area
80.26 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
6calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
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.

Oxalate suppliers

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

All 2 suppliers
  • Ambinter
    France, OrleansUnclaimed profile
    OxalateGrade, purity and minimum order on request
    Price on request
    View
  • EvitaChem
    China, BeijingUnclaimed profile
    OxalateGrade, purity and minimum order on request
    Price on request
    View

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Oxalate 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

  • algal metabolite
  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • mammalian metabolite
  • metabolite
  • plant metabolite

Pharmacology

Oxalate is a salt or ester of oxalic acid.

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 Oxalate is traded under.

HS 2917.11Indicative HS code

Oxalic acid, its salts and esters

World exports in 2024
$195M
−30.6% vs 2023, imports $215M
2019 to 2024
Top exporters
  1. China79.1%
  2. India * partner reported4.2%
  3. South Korea3.9%
Top importers
  1. Myanmar * partner reported25.5%
  2. Peru14.9%
  3. Japan6.8%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

Quick answers about Oxalate, based on the data on this page

What is Oxalate?

Oxalate(2-) is a dicarboxylic acid dianion obtained by deprotonation of both carboxy groups of oxalic acid. It has a role as a plant metabolite and a human metabolite. It is an oxalate and a dicarboxylic acid dianion. It is a conjugate base of an oxalate(1-).

What is the CAS number of Oxalate?

The CAS registry number of Oxalate is 338-70-5.

What is the molecular formula and weight of Oxalate?

The molecular formula of Oxalate is C2O4-2 and its molar mass is 88.02 g/mol.

What is Oxalate used for?

Known uses and roles of Oxalate include building blocks in research and laboratory, algal metabolite, animal metabolite, eukaryotic metabolite, human metabolite and 3 more.

Is Oxalate hazardous?

No GHS hazard classification for Oxalate 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 Oxalate?

Oxalate is usually classified under HS code 291711 (Oxalic acid, its salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Oxalate?

CompoundList lists 2 suppliers of Oxalate in China and France. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Oxalate?

Suppliers quote Oxalate 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 Oxalate

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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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