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InventoryRef 3195915/10/2010

AQUA

Water

AQUA 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 7732-18-5
CAS 7732-18-5PubChem CID 962

Water

Water appears as a clear, nontoxic liquid composed of hydrogen and oxygen, essential for life and the most widely used solvent. Include water in a mixture to learn how it could react with other chemicals in the mixture. — CAMEO Chemicals

IUPAC name
oxidane
Molecular formula
H2O
Molecular weight
18.015 g/mol
Exact mass
18.010564683 Da
XLogP3
-0.5
Topological polar surface area
1.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
1
Covalent units
1
Defined stereocentres
0

Also known as

Distilled waterDihydrogen oxidePurified waterSterile waterWater vaporWater, deionizedaquaWater, purified
16 more reported names
Water, mineralDihydrogen MonoxidesteamDeionized waterDHMOWater, sterileWater, distilledWater for injectionSterile purified waterWater for hemodialysisWater purifiedSterile water for irrigationPur-washWater, purified sterileWater, sterile purifiedUltrex ii ultrapure
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 AQUA

INCI name

AQUA

INN name

water

Ph. Eur. name

aqua

Description

Water

Record provenance

Inventory reference
31959
Imported identity
AQUA
Source update
15/10/2010
European Commission CosIng source notes
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Browse EU annexes

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Key data

CAS
7732-18-5
EC
231-791-2
Restriction
—
Function
SOLVENT
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).

Official EU ingredient-name evidence

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

#2112 · AQUA

Records sharing a CAS or EC identity

WATER

Ingredients with overlapping formulation functions

ANGELICA ACUTILOBA LEAF OILSOLVENT
ANGELICA ACUTILOBA LEAF OIL EXTRACTHAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SOLVENT
ANGELICA ACUTILOBA LEAF WATERHAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING, SOLVENT
ANHYDROXYLITYL LACTATEANTIMICROBIAL, PRESERVATIVE, SOLVENT, SURFACTANT - CLEANSING
ASTER YOMENA EXTRACTSKIN CONDITIONING, SOLVENT, SURFACE MODIFIER, UV FILTER
AVENA SATIVA SEED WATERSOLVENT
BENZYL ALCOHOLPERFUMING, PRESERVATIVE, SOLVENT, VISCOSITY CONTROLLING
BENZYL BENZOATEANTIMICROBIAL, PERFUMING, SOLVENT

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How AQUA appears in the CosIng inventory

The CosIng inventory lists AQUA 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.

AQUA 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

AQUA 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, AQUA carries the following function designation(s):

CAS 7732-18-5 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 AQUA

This page reproduces the CosIng inventory entry for AQUA 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 AQUA 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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