Is COPPER SULFATE safe to use in EU cosmetics?

COPPER SULFATE 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 7758-98-7?

CAS 7758-98-7 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 COPPER SULFATE?

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 3303115/10/2010

COPPER SULFATE

Copper sulphate

COPPER SULFATE 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 7758-98-7

CAS 7758-98-7PubChem CID 24462

Copper Sulfate

Copper(II) sulfate is a metal sulfate compound having copper(2+) as the metal ion. It has a role as a sensitiser, an emetic and a fertilizer. It contains a copper(2+). — ChEBI

IUPAC name: copper sulfate

Molecular formula: CuO4S
Molecular weight: 159.61 g/mol
Exact mass: 158.881327 Da
Topological polar surface area: 88.6 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

Copper(II) sulfateCUPRIC SULFATECupric sulfate anhydrousCopper sulphateCopper(2+) sulfateCopper monosulfateCopper(ii) sulfate, anhydrousHylinec

16 more reported names

TrinagleDelcupCupric sulphateRoman vitriolBlue CopperCopper sulfate (1:1)Monocopper sulfateIncracide 10AIncracide E 51BCS copper fungicideCopper Sulfate PowderCuSO4Sulfate de cuivreCopper sulfate (CuSO4)Copper(2+) sulfate (1:1)copper(II) sulphate

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:23414
EPA DTXSID:DTXSID6034479
PubMed:39753188
PubMed:39151877
PubMed:39067045
PubMed:38211931
PubMed:38124272
PubMed:38104743
PubMed:37353053
PubMed:36907724
PubMed:36775208
PubMed:35728670
PubMed:35659515
PubMed:35429622

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 COPPER SULFATE

INCI name

COPPER SULFATE

Description

Copper sulphate

Record provenance

Inventory reference: 33031
Imported identity: COPPER SULFATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for COPPER SULFATE

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Key data

CAS

7758-98-7

231-847-6

Restriction

—

Function

SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#7397 · COPPER SULFATE

Ingredients with overlapping formulation functions

COPPER LYSINATE/PROLINATESKIN CONDITIONING

COPPER PALMITOYL HEPTAPEPTIDE-14SKIN CONDITIONING

COPPER PCAHUMECTANT, SKIN CONDITIONING

COPPER PYRIDOXAL 5-PHOSPHATEANTIOXIDANT, SKIN CONDITIONING

COPPER TRIPEPTIDE-1SKIN CONDITIONING

COPPER TRIPEPTIDE-34SKIN CONDITIONING

COPPER TRIPEPTIDE-34 HCLSKIN CONDITIONING

COPTIS CHINENSIS RHIZOME EXTRACTSKIN 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 COPPER SULFATE appears in the CosIng inventory

The CosIng inventory lists COPPER SULFATE 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.

COPPER SULFATE 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

COPPER SULFATE 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, COPPER SULFATE carries the following function designation(s):

SKIN CONDITIONING

CAS 7758-98-7 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 COPPER SULFATE

This page reproduces the CosIng inventory entry for COPPER SULFATE 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 COPPER SULFATE 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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