[[(Phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]]tetrakis-phosphonic acid, ammonium salt (1:x)

CAS 70714-66-8

U.S. production volumes are classified as confidential business information.

Molecular structure of 70714-66-8 — 1 NH₄⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered manufacturers (5)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Italmatch Chemicals Spa · IT Italy

Lamberti S P A · IT Italy

Baker Hughes

Italmatch Usa

Lamberti Usa, Incorporated

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Nalco- An Ecolab

Why It Matters

Sectors

EnergyCore Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 3 functional roles.

•Absorbent in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
•Processing aids, specific to petroleum production in All Other Chemical Product and Preparation Manufacturing (50%)Processing—repackaging
•Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (100%)Use—non-incorporative activities
•Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activities (20%)Use—non-incorporative activities

Chemical Identity

CAS70714-66-8

PubChem CID73556629

DTXSIDDTXSID2049719

FormulaC9H31N4O15P5

Mol. Weight590.23 g/mol

SMILESC(CN(CP(=O)(O)O)CP(=O)(O)O)N(CCN(CP(=O)(O)O)CP(=O)(O)[O-])CP(=O)(O)O.[NH4+]

Data Sources

EPA CompTox (DSSTox) · DTXSID2049719Retrieved 2026-04-06
PubChem · compound 73556629Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

[[(Phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]]tetrakis-phosphonic acid, ammonium salt (1:x) (CAS 70714-66-8) https://chemicalindependence.com/chemical/70714-66-8/ EPA CompTox (DSSTox): DTXSID2049719. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2049719 PubChem: 73556629. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/73556629 EPA Chemical Data Reporting: 70714-66-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 70714-66-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting