Is SULFURIC ACID safe to use in EU cosmetics?

SULFURIC 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 7664-93-9?

CAS 7664-93-9 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 SULFURIC 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 3840815/10/2010

SULFURIC ACID

Sulphuric acid

SULFURIC 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 7664-93-9

CAS 7664-93-9PubChem CID 1118

Sulfuric Acid

Sulfuric acid is a sulfur oxoacid that consists of two oxo and two hydroxy groups joined covalently to a central sulfur atom. It has a role as a catalyst. It is a conjugate acid of a hydrogensulfate. — ChEBI

IUPAC name: sulfuric acid

Molecular formula: H2O4S
Molecular weight: 98.08 g/mol
Exact mass: 97.96737971 Da
XLogP3: -1.4
Topological polar surface area: 83.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 1
Defined stereocentres: 0

Also known as

Sulphuric acidDihydrogen sulfateDipping acidMattling acidBattery acidAcide sulfuriqueElectrolyte acidAcidum sulfuricum

16 more reported names

Sulphuricum acidumSchwefelsaeuretetraoxosulfuric acidAcido solforicoAcido sulfuricoBrimstone acidSchwefelsaeureloesungenH2SO4ZwavelzuuroplossingenDihydrogen sulphateAnhydrous sulfuric acidNordhausen acidMatting acidO40UQP6WCFNSC-38965EPA Pesticide Chemical Code 078001

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:26836
ChEMBL:CHEMBL572964
EPA DTXSID:DTXSID5029683
PubMed:23432541
PubMed:16985189
PubMed:15302423

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 SULFURIC ACID

INCI name

SULFURIC ACID

INN name

sulfuric acid

Description

Sulphuric acid

Record provenance

Inventory reference: 38408
Imported identity: SULFURIC ACID
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SULFURIC ACID

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Key data

CAS

7664-93-9

231-639-5

Restriction

—

Function

BUFFERING: Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.

Official EU ingredient-name evidence

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

#28075 · SULFURIC ACID

Ingredients with overlapping formulation functions

SODIUM TRIMETAPHOSPHATEANTICAKING, BUFFERING, CHELATING

SORBITYL DIMONIUM ANISATEANTIMICROBIAL, BUFFERING, FLAVOURING

STRONTIUM HYDROXIDEBUFFERING

SUCCINIC ACIDBUFFERING, FRAGRANCE

TARTARIC ACIDBUFFERING, FRAGRANCE

TAURINEBUFFERING

TEA-DIRICINOLEATE/IPDI COPOLYMERBUFFERING, FILM FORMING, HAIR CONDITIONING

TEA-HYDROIODIDEBUFFERING, SKIN CONDITIONING

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 SULFURIC ACID appears in the CosIng inventory

The CosIng inventory lists SULFURIC 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.

SULFURIC 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

SULFURIC 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, SULFURIC ACID carries the following function designation(s):

BUFFERING

CAS 7664-93-9 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 SULFURIC ACID

This page reproduces the CosIng inventory entry for SULFURIC 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 SULFURIC 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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