Is AMMONIUM ALUM safe to use in EU cosmetics?

AMMONIUM ALUM 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 7784-25-0?

CAS 7784-25-0 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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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 3184430/01/2014

AMMONIUM ALUM

Aluminum ammonium bis(sulfate)

AMMONIUM ALUM 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 7784-25-0

CAS 7784-25-0PubChem CID 3032540

Ammonium aluminum sulfate

Aluminum ammonium sulfate is a sulfate of aluminum and ammonium. Aluminum is the most abundant metal in the earth's crust and is always found combined with other elements such as oxygen, silicon, and fluorine. (L739, L740) — Toxin and Toxin Target Database (T3DB)

IUPAC name: aluminum;azanium;disulfate

Molecular formula: AlH4NO8S2
Molecular weight: 237.15 g/mol
Exact mass: 236.9193718 Da
Topological polar surface area: 178.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 8
Covalent units: 4
Defined stereocentres: 0

Also known as

ALUMINUM AMMONIUM SULFATEMonoammonium monoaluminum sulfateAluminum ammonium alumAmmonium aluminum alumCaswell No. 041BExsiccated ammonium alumAlum, ammonium anhydrousDPU64XYB1D

16 more reported names

Aluminum ammonium bis(sulfate)Aluminum ammonium disulfate (Al(NH4)(SO4)2)RefChem:111643aluminum sulfate ammonium saltaluminium(3+) ion ammonium disulfateAlum, ammoniumAluminum ammonium sulphateCurbAluminium ammonium bis(sulphate)Ammonium alum; Ammonium aluminum alum; Ammonium aluminum sulfateHSDB 611EINECS 232-055-3EPA Pesticide Chemical Code 098501NSC 146176AMMONIUM-ALUMUNII-DPU64XYB1D

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID7051428

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 AMMONIUM ALUM

INCI name

AMMONIUM ALUM

INN name

alum, ammonium

Description

Aluminum ammonium bis(sulfate)

Record provenance

Inventory reference: 31844
Imported identity: AMMONIUM ALUM
Source update: 30/01/2014

European Commission CosIng source notes

Annex records for AMMONIUM ALUM

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Key data

CAS

7784-25-0

232-055-3

Restriction

—

Function

ANTIPERSPIRANT: Reducing perspiration.
ASTRINGENT: Contracting and/or tightening the skin.

Official EU ingredient-name evidence

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

#1757 · AMMONIUM ALUM

Ingredients with overlapping formulation functions

ALUMINUM ZIRCONIUM TETRACHLOROHYDRATEANTIPERSPIRANT, ASTRINGENT, DEODORANT

ALUMINUM ZIRCONIUM TETRACHLOROHYDREX GLYANTIPERSPIRANT, ASTRINGENT, DEODORANT

ALUMINUM ZIRCONIUM TRICHLOROHYDRATEANTIPERSPIRANT, ASTRINGENT, DEODORANT

ALUMINUM ZIRCONIUM TRICHLOROHYDREX GLYANTIPERSPIRANT, ASTRINGENT, DEODORANT

AMMONIUM THIOCYANATEANTIPERSPIRANT, BUFFERING, ORAL CARE, OXIDISING, REDUCING, VISCOSITY CONTROLLING

BURSERA GRAVEOLENS FRUIT OILANTIPERSPIRANT, FLAVOURING, FRAGRANCE, PERFUMING

COBALT ACETYLMETHIONATEANTIPERSPIRANT

HEPTYLGLYCERINANTIMICROBIAL, ANTIPERSPIRANT, DEODORANT, HUMECTANT, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIE…

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 AMMONIUM ALUM appears in the CosIng inventory

The CosIng inventory lists AMMONIUM ALUM 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.

AMMONIUM ALUM is also tagged with 2 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

AMMONIUM ALUM 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, AMMONIUM ALUM carries the following function designation(s):

CAS 7784-25-0 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 AMMONIUM ALUM

This page reproduces the CosIng inventory entry for AMMONIUM ALUM 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 AMMONIUM ALUM 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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