Pentasodium trihydrogen (ethane-1,2-diylbis(nitrilobis(methylene)))tetrakisphosphonate

EPA records show zero U.S. production of this chemical.

Molecular structure of 7651-99-2
US ProductionZero
Import Value$598M
Top SourceChina 89%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 293149 · basket

These shares come from HS customs code 293149, which covers 52 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina

Why It Matters

Sectors
Energy
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • •Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7651-99-2
PubChem CID165629
DTXSIDDTXSID4064763
FormulaC6H15N2Na5O12P4
Mol. Weight546.03 g/mol
SMILESC(CN(CP(=O)(O)[O-])CP(=O)([O-])[O-])N(CP(=O)(O)[O-])CP(=O)(O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+]

Data Sources

DTXSID40647632026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

1656292026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/165629/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/165629.json

7651-99-22026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 7651-99-22026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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