Heptasodium diethylenetriaminepentamethylenephosphonate
Used in 2 industrial sectors tracked by the EPA.
US Production254.2K lbs
Import Value$598M
Import Volume423.0K lbs
Import Dependency62%
Top SourceChina 89%
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 (3)
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
Zschimmer&Schwarz
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Penn Chemicals
Why It Matters
Sectors
EnergyCore Chemicals
Downstream UsesNo data available
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 2 functional roles.
- •Corrosion inhibitors and anti-scaling agents in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Corrosion inhibitor in Petroleum Lubricating Oil and Grease Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS68155-78-2
PubChem CID15361742
DTXSIDDTXSID9029778
FormulaC9H21N3Na7O15P5
Mol. Weight727.07 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-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]
Data Sources
DTXSID90297782026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
153617422026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/15361742/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/15361742.json
68155-78-22026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 68155-78-22026-04-25
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr_industrial.csv