Official EU label nameGlossary entry 20427

PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Evidence gaps

Resolved identifiers

Resolved substance identity

CAS:7651-99-2

EC:231-615-4

Ingredient index records:

PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE

Cosmetic functions: CHELATING, VISCOSITY CONTROLLING

Pentasodium trihydrogen, ethylenedinitrilotetrakis(methylphosphonate)

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1 matched or reported name

PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7651-99-2

CAS 7651-99-2PubChem CID 165629

Lexidronam pentasodium

Lexidronam Pentasodium is the pentasodium salt form of lexidronam (ethylenediaminetetramethylenephosphonic acid; EDTMP), a phosphonate analog of ethylenediaminetetraacetic acid (EDTA), with chelating activity. Lexidronam binds to and associates with hydroxyapatite crystals concentrated in areas of bone turnover. It has been used as a radiopharmaceutical in complexes with radioactive metals to selectively deliver cytotoxic radiation to osteoblastic bone metastases. — NCI Thesaurus (NCIt)

IUPAC name: pentasodium;[2-[bis[[hydroxy(oxido)phosphoryl]methyl]amino]ethyl-(phosphonatomethyl)amino]methyl-hydroxyphosphinate

Molecular formula: C6H15N2Na5O12P4
Molecular weight: 546.03 g/mol
Exact mass: 545.9063933 Da
Topological polar surface area: 251.0 Å²
Hydrogen-bond donors: 3
Hydrogen-bond acceptors: 14
Covalent units: 6
Defined stereocentres: 0

Also known as

EDTMP pentasodium saltLexidronam pentasodium saltEthylenediamine tetra(methylenephosphonic acid) pentasodium salt2ZYX2V82ADEINECS 231-615-4Phosphonic acid, [1,2-ethanediylbis[nitrilobis(methylene)]]tetrakis-, pentasodium saltEthylenediaminetetramethylenephosphonic acid, pentasodium saltPentasodium Ethylenediamine Tetramethylene Phosphonate

12 more reported names

Phosphonic acid, (1,2-ethanediylbis(nitrilobis(methylene)))tetrakis-, pentasodium saltPentasodium trihydrogen (ethane-1,2-diylbis(nitrilobis(methylene)))tetrakisphosphonatePhosphonic acid, P,P',P'',P'''-(1,2-ethanediylbis(nitrilobis(methylene)))tetrakis-, sodium salt (1:5)PENTASODIUM ETHYLENEDIAMINETETRA(METHYLENEPHOSPHONATE)pentasodium trihydrogen [ethane-1,2-diylbis[nitrilobis(methylene)]]tetrakisphosphonatePhosphonic acid, P,P',P'',P'''-[1,2-ethanediylbis[nitrilobis(methylene)]]tetrakis-, sodium salt (1:5)RefChem:799052PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE [INCI]pentasodium (ethylenediamine)tetramethylenephosphonateUNII-2ZYX2V82ADSODIUM EDTMPPentasodium ({(2-{bis[(hydroxyphosphinato)methyl]amino}ethyl)[(hydroxyphosphinato)methyl]amino}methyl)phosphonate

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External database identifiers

EPA DTXSID:DTXSID4064763

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

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 US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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