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InventoryRef 3576615/10/2010

OXALIC ACID

Oxalic acid

OXALIC ACID is linked to 1 EU annex record on this page. Inventory note: III/3.

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Regulatory evidence by market

This matrix separates verified ingredient rules from sources that are mapped but not yet imported. No imported rule does not mean the ingredient is permitted.

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MarketEvidence statusRecordsSource language
European UnionEvidence linked
Restricted entry found
Open this evidence		1English and EU languages
Great BritainEvidence linked
Restricted
Open this evidence		1English
CanadaSource mapped
Official source mapped; ingredient rule not imported
0English and French
New ZealandEvidence linked
Restricted
Open this evidence		1English
ASEANEvidence linked
Restricted
Open this evidence		1English and national languages
ChinaSource mapped
Official source mapped; ingredient rule not imported
0Chinese with selected English material
JapanSource mapped
Official source mapped; ingredient rule not imported
0Japanese; official English translation available
South KoreaEvidence linked
Restricted
Open this evidence		1Korean with some English names
United StatesSource mapped
Official source mapped; ingredient rule not imported
0English
AustraliaEvidence linked
Restricted
Open this evidence		1English
BrazilSource mapped
Official source mapped; ingredient rule not imported
0Portuguese with INCI crosswalks
IndiaEvidence linked
Restricted
Open this evidence		1English and Hindi
Saudi ArabiaEvidence linked
Restricted
Open this evidence		1Arabic and English

Chemical identity and properties

PubChem 2D chemical structure for CAS 144-62-7
CAS 144-62-7PubChem CID 971

Oxalic Acid

Oxalic acid is an alpha,-dicarboxylic acid that is ethane substituted by carboxyl groups at positions 1 and 2. It has a role as a plant metabolite, a human metabolite and an algal metabolite. It is a conjugate acid of an oxalate and an oxalate(1-). — ChEBI

IUPAC name
oxalic acid
Molecular formula
C2H2O4
Molecular weight
90.03 g/mol
Exact mass
89.99530854 Da
XLogP3
-0.3
Topological polar surface area
74.6 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
4
Covalent units
1
Defined stereocentres
0

Also known as

ethanedioic acidAktisalAquisalOxiric acidKyselina stavelovaOxaalzuurOxalsaeureAcidum oxalicum
16 more reported names
Acide oxaliqueAcido ossalicoEthanedionic acidNCI-C55209Ethane-1,2-dioic acidNSC-62774Oxalic acid, anhydrous9E7R5L6H31CHEBI:16995Acid, Oxalichydron;oxalate2-oxo-2-oxonioacetateOxalic acid (aqueous)Oxalate, FerricOxalate, SodiumOxalate, Iron
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for OXALIC ACID

INCI name

OXALIC ACID

Description

Oxalic acid

Record provenance

Inventory reference
35766
Imported identity
OXALIC ACID
Source update
15/10/2010
European Commission CosIng source notes
Annex III Restriction reference
Entry 3

OXALIC ACID

CAS: 144-62-7
EC: 205-634-3

Key data

CAS
144-62-7
EC
205-634-3
Restriction
III/3
Function
CHELATING
Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#18503 · OXALIC ACID

Ingredients with overlapping formulation functions

OLIGOPEPTIDE-30ANTIOXIDANT, CHELATING, HAIR CONDITIONING, REDUCING, SKIN PROTECTING
OLIGOPEPTIDE-31ANTIOXIDANT, CHELATING, HAIR CONDITIONING, SKIN CONDITIONING, SKIN PROTECTING
OLIGOPEPTIDE-70ANTIOXIDANT, CHELATING, SKIN PROTECTING
OVOTRANSFERRINANTIMICROBIAL, ANTIPLAQUE, CHELATING, ORAL CARE, PRESERVATIVE, SKIN CONDITIONING
OXIDIZED ALPINIA ZERUMBET STEM FERMENT FILTRATEANTIPLAQUE, CHELATING, SKIN CONDITIONING
OXYQUINOLINEANTIMICROBIAL, CHELATING
OXYQUINOLINE SULFATEANTIMICROBIAL, CHELATING
PALMITOYL NONAPEPTIDE-53CHELATING

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How OXALIC ACID appears in the CosIng inventory

The CosIng inventory lists OXALIC ACID as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

OXALIC ACID is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

OXALIC ACID appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for OXALIC ACID reads: "III/3". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

According to the EU CosIng inventory, OXALIC ACID carries the following function designation(s):

CAS 144-62-7 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.
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Source note for OXALIC ACID

This page combines the CosIng inventory entry for OXALIC ACID with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research OXALIC ACID and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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