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CAS 2235-43-0 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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InventoryRef 3648315/10/2010

PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

Pentasodium hydrogen C,C',C''-nitrilotris(methylphosphonate)

PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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 2235-43-0

CAS 2235-43-0PubChem CID 16697

Pentasodium nitrilotris(methylenephosphonate)

IUPAC name: pentasodium;[bis(phosphonatomethyl)amino]methyl-hydroxyphosphinate

Molecular formula: C3H7NNa5O9P3
Molecular weight: 408.96 g/mol
Exact mass: 408.8822132 Da
Topological polar surface area: 190.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 10
Covalent units: 6
Defined stereocentres: 0

Also known as

Kenrox 106Pentasodium aminotrimethylene phosphonate[Nitrilotris(methylene)]tris-phosphonic acid pentasodium saltHSDB 5870EINECS 218-791-8UNII-IEE518JT88Pentasodium aminotris(methylenephosphonate)Aminotris(methylphosphonic acid), pentasodium salt

16 more reported names

Aminotris(methylenephoshonic acid) pentasodium saltNitrilo(methylenephosphonic acid), pentasodium saltAminotri(methylene phosphonic acid) pentasodium saltAminotri(methylenephosphonic acid), pentasodium saltNitrilotri(methylenephosphonic acid), pentasodium saltNitrilotris(methylenephosphonic acid) pentasodium saltPhosphonic acid, (nitrilotris(methylene))tris-, pentasodium saltPentasodium (nitrilotris(methylene))trisphosphonateAMINOTRIS(METHYLENEPHOSPHONIC ACID) PENTASODIUM SALTPENTASODIUM NITRILOTRIS(METHYLENEPHOSPHONATE) [HSDB](NITRILOTRIS(METHYLENE))TRIS-PHOSPHONIC ACID PENTASODIUM SALTPhosphonic acid, P,P',P''-(nitrilotris(methylene))tri-, sodium salt (1:5)Phosphonic acid, [nitrilotris(methylene)]tris-, pentasodium saltATMP5NaRefChem:171472PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE [INCI]

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External database identifiers

EPA DTXSID:DTXSID8029232

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 PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

INCI name

PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

Description

Pentasodium hydrogen C,C',C''-nitrilotris(methylphosphonate)

Record provenance

Inventory reference: 36483
Imported identity: PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

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Key data

CAS

2235-43-0

218-791-8

Restriction

—

Function

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.

#20426 · PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

Ingredients with overlapping formulation functions

PALMITOYL NONAPEPTIDE-53CHELATING

PALMITOYL TETRAPEPTIDE-132 PENTAPEPTIDE-116ANTIOXIDANT; CHELATING

PENTAPEPTIDE-27ANTIOXIDANT, CHELATING, SKIN PROTECTING

PENTAPOTASSIUM TRIPHOSPHATEBUFFERING, CHELATING

PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATECHELATING, VISCOSITY CONTROLLING

PENTASODIUM PENTETATECHELATING

PENTASODIUM TRIPHOSPHATEBUFFERING, CHELATING

PENTETIC ACIDCHELATING

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 PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE appears in the CosIng inventory

The CosIng inventory lists PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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.

PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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

PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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, PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE carries the following function designation(s):

CHELATING

CAS 2235-43-0 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 PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE

This page reproduces the CosIng inventory entry for PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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 PENTASODIUM AMINOTRIMETHYLENE PHOSPHONATE 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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