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CAS 13566-15-9 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.

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InventoryRef 8229115/10/2010

ZINC HEXAMETAPHOSPHATE

Zinc dimetaphosphate

ZINC HEXAMETAPHOSPHATE 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 13566-15-9

CAS 13566-15-9PubChem CID 16131218

Metaphosphoric acid (Zn(PO3)2), zinc salt (2:1)

The CIR Expert Panel concluded that the following 27 zinc salts are safe in cosmetics in the present practices of use and concentration described in this safety assessment when formulated to be non-irritating...Zinc Hexametaphosphate... — Cosmetic Ingredient Review (CIR)

Molecular formula: O6P2Zn
Molecular weight: 223.3 g/mol
Exact mass: 221.846153 Da
Topological polar surface area: 114.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 6
Covalent units: 3
Defined stereocentres: 0

Also known as

Zinc dimetaphosphateZinc hexametaphosphateEINECS 236-967-2Metaphosphoric acid (HPO3), zinc saltRefChem:811232236-967-2Zinc metaphosphateZinc phosphate (Zn(PO3)2)

1 more reported name

UUF5354X4L

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID401021954

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 HEXAMETAPHOSPHATE

INCI name

ZINC HEXAMETAPHOSPHATE

Description

Zinc dimetaphosphate

Record provenance

Inventory reference: 82291
Imported identity: ZINC HEXAMETAPHOSPHATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for ZINC HEXAMETAPHOSPHATE

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Key data

CAS

13566-15-9

236-967-2

Restriction

—

Function

ANTICORROSIVE: Preventing and or inhibiting the corrosion of the packaging material.
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.
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.

#30318 · ZINC HEXAMETAPHOSPHATE

Ingredients with overlapping formulation functions

SODIUM NITRITEANTICORROSIVE

SODIUM OXALATEANTICORROSIVE, CHELATING

SODIUM SILICATEANTICORROSIVE, BUFFERING

STEARAMIDOPROPYL DIMETHICONEANTICORROSIVE, FILM FORMING

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 HEXAMETAPHOSPHATE appears in the CosIng inventory

The CosIng inventory lists ZINC HEXAMETAPHOSPHATE 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 HEXAMETAPHOSPHATE is also tagged with 3 cosmetic functions 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 HEXAMETAPHOSPHATE 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 HEXAMETAPHOSPHATE carries the following function designation(s):

CAS 13566-15-9 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 ZINC HEXAMETAPHOSPHATE

This page reproduces the CosIng inventory entry for ZINC HEXAMETAPHOSPHATE 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 HEXAMETAPHOSPHATE 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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