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CAS 7758-11-4 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 7573915/10/2010

DIPOTASSIUM PHOSPHATE

Dipotassium hydrogenorthophosphate

DIPOTASSIUM PHOSPHATE 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.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7758-11-4

CAS 7758-11-4PubChem CID 24450

Potassium Phosphate, Dibasic

Dipotassium hydrogen phosphate is a potassium salt that is the dipotassium salt of phosphoric acid. It has a role as a buffer. It is an inorganic phosphate and a potassium salt. — ChEBI

IUPAC name: dipotassium;hydrogen phosphate

Molecular formula: HK2O4P
Molecular weight: 174.176 g/mol
Exact mass: 173.88865848 Da
Topological polar surface area: 83.4 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 4
Covalent units: 3
Defined stereocentres: 0

Also known as

Dipotassium hydrogen phosphateDIPOTASSIUM PHOSPHATEPotassium phosphate dibasicDipotassium hydrogenphosphateDibasic potassium phosphatePhosphoric acid, dipotassium saltPotassium dibasic phosphateDipotassium monophosphate

16 more reported names

Potassium monophosphateDipotassium orthophosphateDipotassium monohydrogen phosphateHydrogen dipotassium phosphatePotassium phosphate (dibasic)Dipotassium hydrogenorthophosphatedi-potassium hydrogen phosphateCI71S98N1ZPhosphoric acid, potassium salt (1:2)Dipotassium acid phosphateDipotassium hydrogen orthophosphateKali phosphoricumSecondary potassium phosphateINS NO.340(II)INS-340(II)Dipotassium hydrogen monophosphate

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:131527
ChEMBL:CHEMBL1200459
EPA DTXSID:DTXSID8035506
PubMed:10008

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 DIPOTASSIUM PHOSPHATE

INCI name

DIPOTASSIUM PHOSPHATE

Description

Dipotassium hydrogenorthophosphate

Record provenance

Inventory reference: 75739
Imported identity: DIPOTASSIUM PHOSPHATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIPOTASSIUM PHOSPHATE

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Key data

CAS

7758-11-4

231-834-5

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.

Official EU ingredient-name evidence

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

#9228 · DIPOTASSIUM PHOSPHATE

Ingredients with overlapping formulation functions

DIAMMONIUM PHOSPHATEANTICORROSIVE, BUFFERING, ORAL CARE

DILITHIUM OXALATEANTICORROSIVE, CHELATING

DIMETHYLAMINO METHYLPROPANOLANTICORROSIVE

DIPOTASSIUM OXALATEANTICORROSIVE, CHELATING

DISODIUM DODECENYLSUCCINATEANTICORROSIVE

DISODIUM PHOSPHATEANTICORROSIVE, BUFFERING, FRAGRANCE

DISODIUM PYROPHOSPHATEANTICORROSIVE, BUFFERING, CHELATING

DISODIUM TETRAPROPENYL SUCCINATEANTICORROSIVE, SURFACTANT - CLEANSING

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 DIPOTASSIUM PHOSPHATE appears in the CosIng inventory

The CosIng inventory lists DIPOTASSIUM PHOSPHATE 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.

DIPOTASSIUM PHOSPHATE 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

DIPOTASSIUM PHOSPHATE 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, DIPOTASSIUM PHOSPHATE carries the following function designation(s):

CAS 7758-11-4 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 DIPOTASSIUM PHOSPHATE

This page reproduces the CosIng inventory entry for DIPOTASSIUM PHOSPHATE 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 DIPOTASSIUM PHOSPHATE 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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