Is CARBONIC ACID safe to use in EU cosmetics?

CARBONIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 463-79-6?

CAS 463-79-6 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

How do I check if my formula contains CARBONIC ACID?

Use the INCI Checker to screen a full ingredient list across selected markets, or use the substance market comparison to review this identity across all supported market datasets.

InventoryRef 9743014/10/2019

CARBONIC ACID

Carbonic Acid is the organic compound that conforms to the formula

CARBONIC ACID is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 463-79-6

CAS 463-79-6PubChem CID 767

Carbonic Acid

Carbonic acid is a carbon oxoacid and a chalcocarbonic acid. It has a role as a mouse metabolite. It is a conjugate acid of a hydrogencarbonate. — ChEBI

IUPAC name: carbonic acid

Molecular formula: CH2O3
Molecular weight: 62.025 g/mol
Exact mass: 62.000393922 Da
XLogP3: -0.1
Topological polar surface area: 57.5 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

Dihydrogen carbonateH2CO3CHEBI:28976Acid, CarbonicRefChem:6524610-295-3682-330-0hydroxy ketone

16 more reported names

hydroxy-ketoneAcidosancomponent of Col-Evaccarbonicacidcomponent of PrettsdihydroxyketonehydroxyketoneKoehlensaeurehydroxyl ketoneCarbonic acid-hydrogen bicarbonatehydrogencarbonic aciddihydroxidooxidocarbonhydroxycarboxylic acidhydrogentrioxocarbonateBCT

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:28976
ChEMBL:CHEMBL1161632
EPA DTXSID:DTXSID9043801
PubMed:23125704
PubMed:23125206
PubMed:23124349
PubMed:23123721
PubMed:23122160
PubMed:23121146
PubMed:23120632
PubMed:23118685
PubMed:23118660
PubMed:23118063
PubMed:23115717
PubMed:23112620

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 CARBONIC ACID

INCI name

CARBONIC ACID

Description

Carbonic Acid is the organic compound that conforms to the formula

Record provenance

Inventory reference: 97430
Imported identity: CARBONIC ACID
Source update: 14/10/2019

European Commission CosIng source notes

Annex records for CARBONIC ACID

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Key data

CAS

463-79-6

610-295-3

Restriction

—

Function

NOT REPORTED: No function currently reported.

Ingredients with overlapping formulation functions

CAPROLACTAMNOT REPORTED

CAPRYLOYL GLYCERINNOT REPORTED

CAPRYLYLSILSESQUIOXYZEOLITENOT REPORTED

CARBONNOT REPORTED

CARNITINE PCANOT REPORTED

CERIUM PHOSPHATENOT REPORTED

CETEARETH-20 METHACRYLATENOT REPORTED

CETEARETH-25 METHACRYLATENOT REPORTED

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 chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How CARBONIC ACID appears in the CosIng inventory

The CosIng inventory lists CARBONIC ACID as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

CARBONIC 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

CARBONIC ACID is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

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

NOT REPORTED

CAS 463-79-6 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 CARBONIC ACID

This page reproduces the CosIng inventory entry for CARBONIC ACID from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research CARBONIC 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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Tools & next steps

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