Tetrasodium N,N-bis(carboxymethyl)-L-glutamate

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

Molecular structure of 51981-21-6
US ProductionCBI
Import Value$503M
Top SourceChina 25%

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 292249 · basket

These shares come from HS customs code 292249, which covers 42 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 25%ChinaIN 17%IndiaSG 13%SingaporeIT 9%ItalyCH 7%Switzerland
EPA-registered importers (2)
Nouryon Chemicals
Reckitt Benckiser

Why It Matters

Sectors
EnergyConsumer ProductsCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 3 functional roles.

  • Ion exchange agents in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • Processing aids, specific to petroleum production in Oil and Gas Drilling, Extraction, and Support activities (3%)Processing—incorporation into formulation, mixture, or reaction product
  • Chelating agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS51981-21-6
PubChem CID44630158
DTXSIDDTXSID2052158
FormulaC9H9NNa4O8
Mol. Weight351.13 g/mol
SMILESC(CC(=O)[O-])C(C(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Data Sources

DTXSID20521582026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

446301582026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/44630158/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/44630158.json

51981-21-62026-04-24

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

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

CAS 51981-21-62026-04-25

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

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