Calcium phosphinate

CAS 7789-79-9

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 7789-79-9
1 Ca²⁺
US productionZero
Import value, 2024$19M
Import volume34.2K lb
Import dependency100%
Top sourceChina 86%

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.

Calcium phosphinate · US import value by year
$18M2013$44M2022$19M2024$19M2025

2013: $18M · Peak 2022: $44M · 2024: $19M · 2025: $19M

Where It Comes From

Customs basis: HS 283510 · basket

EPA reports by year
2023
US production Zero · Imports 34.2K lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 283510, which covers 15 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 86%ChinaCH 6%SwitzerlandIN 4%IndiaGB 3%United KingdomDE 1%Germany
EPA-registered importers (1)
Special Materials

Why It Matters

Sectors
HealthMetals & Mining
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •Intermediate in Pharmaceutical and Medicine ManufacturingProcessing as a reactant
  • •Plating agent in Fabricated Metal Product Manufacturing (0%)Use—non-incorporative activities

Chemical Identity

CAS7789-79-9
PubChem CID24618
DTXSIDDTXSID1052531
FormulaCaO4P2
Mol. Weight166.02 g/mol
SMILES[O-]P=O.[O-]P=O.[Ca+2]

Data Sources

Brief citations

Calcium phosphinate (CAS 7789-79-9) https://chemicalindependence.com/chemical/7789-79-9/ EPA CompTox (DSSTox): DTXSID1052531. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1052531 PubChem: 24618. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/24618 EPA Chemical Data Reporting: 7789-79-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7789-79-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283510 for CAS 7789-79-9. Reporting year: 2024. https://usatrade.census.gov/