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CAS 298-14-6 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 3693515/10/2010

POTASSIUM BICARBONATE

Potassium hydrogencarbonate

POTASSIUM BICARBONATE 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 298-14-6

CAS 298-14-6PubChem CID 516893

Potassium Bicarbonate

Potassium hydrogencarbonate is a potassium salt that is the monopotassium salt of carbonic acid. It has fungicidal properties and is used in organic farming for the control of powdery mildew and apple scab. It has a role as a buffer, a food acidity regulator, a raising agent and an antifungal agrochemical. It is an organic salt and a potassium salt. It contains a hydrogencarbonate. — ChEBI

IUPAC name: potassium hydrogen carbonate

Molecular formula: CHKO3
Molecular weight: 100.115 g/mol
Exact mass: 99.95627537 Da
Topological polar surface area: 60.4 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 2
Defined stereocentres: 0

Also known as

Potassium hydrogencarbonatePotassium acid carbonateMonopotassium carbonateCARBONIC ACID, MONOPOTASSIUM SALTArmicarbKHCO3KafyloxKaligreen

16 more reported names

MilstopPurple kHM5Z15LEBNINS NO.501(II)INS-501(II)E-501(II)Potassium bicarbonate (USP)Potassium bicarbonate [USP]CHEBI:81862206-059-0Pot effEffer-K OrangeEffer-KEffer-K UnflavoredKLOR-Con/EFEffer-K Cherry Berry

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:81862
ChEMBL:CHEMBL2106975
EPA DTXSID:DTXSID0021177
PubMed:27455317
PubMed:25041141
PubMed:5210

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 BICARBONATE

INCI name

POTASSIUM BICARBONATE

INN name

potassium bicarbonate

Ph. Eur. name

kalii hydrogenocarbonas

Description

Potassium hydrogencarbonate

Record provenance

Inventory reference: 36935
Imported identity: POTASSIUM BICARBONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for POTASSIUM BICARBONATE

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Key data

CAS

298-14-6

206-059-0

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.

Official EU ingredient-name evidence

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

#22560 · POTASSIUM BICARBONATE

Ingredients with overlapping formulation functions

PHOSPHONOBUTANETRICARBOXYLIC ACIDANTICORROSIVE, BUFFERING, CHELATING

PHOSPHORIC ACIDBUFFERING

PHOSPHORUS PENTOXIDEBUFFERING, CHELATING

POLYGLYCERYL-25/CAPROLACTONEBUFFERING, FILM FORMING, HAIR CONDITIONING, SOLVENT, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYI…

POTASSIUM BIPHTHALATEBUFFERING

POTASSIUM BITARTRATEBUFFERING

POTASSIUM BORATEBUFFERING

POTASSIUM CARBONATEBUFFERING

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 POTASSIUM BICARBONATE appears in the CosIng inventory

The CosIng inventory lists POTASSIUM BICARBONATE 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 BICARBONATE 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

POTASSIUM BICARBONATE 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 BICARBONATE carries the following function designation(s):

BUFFERING

CAS 298-14-6 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 BICARBONATE

This page reproduces the CosIng inventory entry for POTASSIUM BICARBONATE 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 BICARBONATE 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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