Is ZINC PHOSPHATE safe to use in EU cosmetics?

ZINC PHOSPHATE 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 7543-51-3?

CAS 7543-51-3 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 ZINC PHOSPHATE?

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 9214228/11/2014

ZINC PHOSPHATE

ZINC PHOSPHATE 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 7543-51-3

CAS 7543-51-3PubChem CID 19973792

Phosphoric acid, zinc salt (2:3), tetrahydrate

Hopeite is a mineral with formula of Zn2+3(PO4)2·4H2O or Zn3(PO4)2·4H2O. The IMA symbol is Hop. — RRUFF Project

IUPAC name: trizinc;diphosphate;tetrahydrate

Molecular formula: H8O12P2Zn3
Molecular weight: 458.1 g/mol
Exact mass: 455.73342 Da
Topological polar surface area: 177.0 Å²
Hydrogen-bond donors: 4
Hydrogen-bond acceptors: 12
Covalent units: 9
Defined stereocentres: 0

Also known as

RefChem:862782616-223-7Zinc phosphate tetrahydrateHopeiteZINCPHOSPHATETETRAHYDRATE54S8C1184ZUNII-54S8C1184ZHopeite (Zn3(PO4)2.4H2O)

3 more reported names

H8O12P2Zn3SPDJAIKMJHJYAV-UHFFFAOYSA-HZinc phosphate--water (3/2/4)

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID70226356

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 ZINC PHOSPHATE

INCI name

ZINC PHOSPHATE

Record provenance

Inventory reference: 92142
Imported identity: ZINC PHOSPHATE
Source update: 28/11/2014

European Commission CosIng source notes

Annex records for ZINC PHOSPHATE

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Key data

CAS

7543-51-3

—

Restriction

—

Function

ANTIPLAQUE: Helping protect against plaque.

Official EU ingredient-name evidence

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

#30343 · ZINC PHOSPHATE

Ingredients with overlapping formulation functions

TRIPEPTIDE-66ANTIOXIDANT, ANTIPLAQUE, HAIR CONDITIONING, NAIL CONDITIONING, SKIN PROTECTING

TRIPEPTIDE-67ANTIOXIDANT, ANTIPLAQUE, SKIN CONDITIONING, SKIN PROTECTING

WATERANTIPLAQUE, SKIN CONDITIONING, SOLVENT

ZINC CITRATEANTIPLAQUE, ORAL CARE

ZINC SULFATEANTIMICROBIAL, ANTIPLAQUE, ASTRINGENT, ORAL CARE

ZINC/STRONTIUM FLUORIDE HYDROXYAPATITEANTIPLAQUE

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 ZINC PHOSPHATE appears in the CosIng inventory

The CosIng inventory lists ZINC PHOSPHATE 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.

ZINC PHOSPHATE 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

ZINC PHOSPHATE 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, ZINC PHOSPHATE carries the following function designation(s):

ANTIPLAQUE

CAS 7543-51-3 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 ZINC PHOSPHATE

This page reproduces the CosIng inventory entry for ZINC PHOSPHATE 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 ZINC PHOSPHATE 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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