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Ammonium manganese pyrophosphate

CAS 10101-66-3

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

Molecular structure of 10101-66-3
1 NH₄⁺ · 1 Mn³⁺
US productionCBI
Import value, 2024$356M
Top sourceCanada 25%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284290, 320649 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 284290, 320649, which covers 138 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 25%CanadaDE 22%GermanyMX 12%MexicoCN 9%ChinaJP 6%Japan
EPA-registered manufacturers (1)
The Shepherd Material Science
EPA-registered importers (2)
Venator Materials Plc · GB United Kingdom
Venator Materials

Why It Matters

Sectors
Metals & MiningPlastics & RubberPaints & CoatingsPaper & Printing
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 1 functional role.

  • •Pigment in Plastics Product Manufacturing (30%)Processing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Other (70%)Processing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Custom Compounding of Purchased ResinsProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS10101-66-3
PubChem CID160915
DTXSIDDTXSID70889526
FormulaH4MnNO7P2
Mol. Weight246.92 g/mol
SMILES[NH4+].[O-]P(=O)([O-])OP(=O)([O-])[O-].[Mn+3]

Data Sources

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Brief citations

Ammonium manganese pyrophosphate (CAS 10101-66-3) https://chemicalindependence.com/chemical/10101-66-3/ EPA CompTox (DSSTox): DTXSID70889526. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID70889526 PubChem: 160915. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/160915 EPA Chemical Data Reporting: 10101-66-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 10101-66-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284290,320649 for CAS 10101-66-3. Reporting year: 2024. https://usatrade.census.gov/