Etidronic acid
Drug ingredientThis drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.
US ProductionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
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
Country of origin for US imports, from Census customs data (2023).
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
- United Kingdom
- Italy
- Mexico
- Japan
- Switzerland
- Hong Kong
- Ukraine
- Finland
- Sweden
- Spain
- Poland
- Slovakia
- Netherlands
- Singapore
- Taiwan
- South Korea
- Czech Republic
EPA-registered manufacturers (2)
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
Italmatch Usa
EPA-registered importers (18)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Basf Se · DE Germany
Italmatch Chemicals Group · IT Italy
Italmatch Chemicals Spa · IT Italy
Allchem Industries Holding
Baker Hughes
Show all 18
Basf
Brenntag
Channel Chemical
Clearon
Connect Chemicals Usa
Dystar
Hawkins
Italmatch Usa
Penn Chemicals
Pulcra Chemicals
Tr International Trading
United Refining
Zschimmer&Schwarz
1 FDA-registered drug labeler
Professional Complementary Health Formulas
Why It Matters
Sectors
Core ChemicalsHealthEnergyConsumer ProductsMetals & MiningTextilesConstruction
Downstream Uses
Appears in 1 drug and cosmetic product listings (FDA).
- •Spa/Pool Detox 6027
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 10 sectors as 10 functional roles.
- •Anti-scaling agent in Petroleum Refineries (70%)Use—non-incorporative activities
- •Corrosion inhibitor in Oil and Gas Drilling, Extraction, and Support activities (30%)Use—non-incorporative activities
- •Intermediate in All Other Basic Organic Chemical Manufacturing (1%)Processing as a reactant
- •Paint additives and coating additives not described by other categories in Asphalt Paving, Roofing, and Coating Materials Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product
- •Lubricating agent in Fabricated Metal Product ManufacturingUse—non-incorporative activities
- •Cleaning agent in Fabricated Metal Product ManufacturingUse—non-incorporative activities
- •Corrosion inhibitor in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-scaling agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Dyes in Textiles, apparel, and leather manufacturingProcessing—repackaging
- •Anti-scaling agent in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-scaling agent in Oil and Gas Drilling, Extraction, and Support activities (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Chelating agent in All Other Basic Organic Chemical Manufacturing (45%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitors and anti-scaling agents in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Textiles, apparel, and leather manufacturing (100%)Processing as a reactant
- •Corrosion inhibitors and anti-scaling agents in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (6%)Processing—incorporation into formulation, mixture, or reaction product
- •Dispersing agent in Miscellaneous Manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product
- •Anti-scaling agent in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (22%)Use—non-incorporative activities
Chemical Identity
CAS2809-21-4
PubChem CID3305
DTXSIDDTXSID6023028
FormulaC2H8O7P2
Mol. Weight206.03 g/mol
SMILESCC(O)(P(=O)(O)O)P(=O)(O)O
Data Sources
DTXSID60230282026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
33052026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/3305/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/3305.json
2809-21-42026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 2809-21-42026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json