Tetrasodium etidronate

CAS 3794-83-0

Used in 5 industrial sectors tracked by the EPA.

Molecular structure of 3794-83-0
4 Na⁺
US production17.8K lb
Import value, 2024$598M
Import volume398.1K lb
Import dependency96%
Top sourceChina 89%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293149 · basket

EPA reports by year
2023
US production 17.8K lb · Imports 398.1K lb
2019
US production 1.6M lb · Imports 672.2K lb

These shares come from HS customs code 293149, which covers 114 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
EPA-registered manufacturers (3)
Italmatch Chemicals Spa · IT Italy
Italmatch Usa
Zschimmer&Schwarz
EPA-registered importers (3)
Italmatch Chemicals Spa · IT Italy
Reckitt Benckiser Group · GB United Kingdom
Reckitt Benckiser

Why It Matters

Sectors
EnergyConstructionMetals & MiningConsumer ProductsCore Chemicals
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 7 sectors as 5 functional roles.

  • •Chelating agent in All Other Basic Organic Chemical Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
  • •Dispersing agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Chelating agent in All Other Chemical Product and Preparation Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
  • •Chelating agent in Primary Metal Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
  • •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (15%)Processing—incorporation into formulation, mixture, or reaction product
  • •Chelating agent in Construction (14%)Processing—incorporation into formulation, mixture, or reaction product
  • •Anti-scaling agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (15%)Processing—incorporation into formulation, mixture, or reaction product
  • •Dispersing agent in Miscellaneous Manufacturing (46%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS3794-83-0
PubChem CID19629
DTXSIDDTXSID7029663
FormulaC2H4Na4O7P2
Mol. Weight293.96 g/mol
SMILESCC(O)(P(=O)([O-])[O-])P(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]

Data Sources

Brief citations

Tetrasodium etidronate (CAS 3794-83-0) https://chemicalindependence.com/chemical/3794-83-0/ EPA CompTox (DSSTox): DTXSID7029663. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7029663 PubChem: 19629. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/19629 EPA Chemical Data Reporting: 3794-83-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3794-83-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293149 for CAS 3794-83-0. Reporting year: 2024. https://usatrade.census.gov/