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InventoryRef 3694915/10/2010

POTASSIUM CITRATE

Tripotassium citrate

POTASSIUM CITRATE 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 866-84-2
CAS 866-84-2PubChem CID 13344

Tripotassium citrate

Potassium citrate (anhydrous) is the anhydrous form of the tripotassium salt of citric acid. It has a role as a diuretic. It contains a citrate(3-). — ChEBI

IUPAC name
tripotassium;2-hydroxypropane-1,2,3-tricarboxylate
Molecular formula
C6H5K3O7
Molecular weight
306.39 g/mol
Exact mass
305.8946469 Da
Topological polar surface area
141.0 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
7
Covalent units
4
Defined stereocentres
0

Also known as

KaliksirPotassium citrate anhydrousLitocitPorekalKajosUrocit KSeltz-KK citrate
16 more reported names
Citric acid, tripotassium saltPotassium tribasic citrateACALKA86R1NVR0HW1,2,3-Propanetricarboxylic acid, 2-hydroxy-, tripotassium saltRefChem:933490Anhydrous, Potassium Citrate212-755-57778-49-6Potassium Cltratetripotassium 2-hydroxypropane-1,2,3-tricarboxylateCitric acid, potassium salt2-Hydroxy-2,3-propanetricarboxylic acid, potassium salt(1:x)PotassiumcitrateCCRIS 6566HSDB 1248
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 POTASSIUM CITRATE

INCI name

POTASSIUM CITRATE

Ph. Eur. name

kalii citras

Description

Tripotassium citrate

Record provenance

Inventory reference
36949
Imported identity
POTASSIUM CITRATE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
866-84-2
EC
212-755-5
Restriction
—
Function
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.

#22593 · POTASSIUM CITRATE

Ingredients with overlapping formulation functions

PHOSPHONOBUTANETRICARBOXYLIC ACIDANTICORROSIVE, BUFFERING, CHELATING
PHOSPHORUS PENTOXIDEBUFFERING, CHELATING
PHYTIC ACIDCHELATING
POLYACRYLATE-39BINDING, CHELATING
POTASSIUM EDTMPCHELATING
POTASSIUM ETHYL ESTER OF PVM/MA COPOLYMERCHELATING
POTASSIUM GLUCONATECHELATING, SKIN PROTECTING
POTASSIUM HYDROGEN CAPRYLHYDROXAMATECHELATING

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 POTASSIUM CITRATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM CITRATE 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.

POTASSIUM CITRATE 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

POTASSIUM CITRATE 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, POTASSIUM CITRATE carries the following function designation(s):

CAS 866-84-2 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 POTASSIUM CITRATE

This page reproduces the CosIng inventory entry for POTASSIUM CITRATE 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 POTASSIUM CITRATE 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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