Phosphinic acid, manganese(2+) salt (2:1)

CAS 10043-84-2

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

Molecular structure of 10043-84-2 — 1 Mn²⁺

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$19M

Top sourceChina 86%

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283510 · basket

EPA reports by year

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

Country of origin for US imports, from Census customs data (2024).

CN 86%ChinaCH 6%SwitzerlandIN 4%IndiaGB 3%United KingdomDE 1%Germany

Denmark
Canada
Mexico
Turkey
Italy

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.

Special Materials

Why It Matters

Sectors

Metals & Mining

Downstream UsesNot recorded

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

•Reducing agent in Fabricated Metal Product Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS10043-84-2

PubChem CID61459

DTXSIDDTXSID6047521

FormulaMnO4P2

Mol. Weight180.883 g/mol

SMILES[O-]P=O.[O-]P=O.[Mn+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID6047521Retrieved 2026-04-06
PubChem · compound 61459Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Phosphinic acid, manganese(2+) salt (2:1) (CAS 10043-84-2) https://chemicalindependence.com/chemical/10043-84-2/ EPA CompTox (DSSTox): DTXSID6047521. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6047521 PubChem: 61459. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/61459 EPA Chemical Data Reporting: 10043-84-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10043-84-2. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283510 for CAS 10043-84-2. Reporting year: 2024. https://usatrade.census.gov/