Calcium hydroxide phosphate (Ca5(OH)​(PO4)​3)

CAS 12167-74-7

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

Molecular structure of 12167-74-7
5 Ca²⁺ · 1 OH⁻
US productionCBI
Import value, 2024$115M
Top sourceNetherlands 30%

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 283526 · narrow

EPA reports by year
2023
US production Confidential · Imports Confidential

These shares come from HS customs code 283526, which covers 4 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
NL 30%NetherlandsJP 19%JapanRU 18%RussiaCN 9%ChinaMX 8%Mexico

Why It Matters

Sectors
Agriculture
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Chemical Identity

CAS12167-74-7
PubChem CIDNot recorded
DTXSIDDTXSID50872537
FormulaCa5HO13P3
Mol. Weight502.306 g/mol
SMILES[OH-].[Ca++].[Ca++].[Ca++].[Ca++].[Ca++].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O

Data Sources

Brief citations

Calcium hydroxide phosphate (Ca5(OH)​(PO4)​3) (CAS 12167-74-7) https://chemicalindependence.com/chemical/12167-74-7/ EPA CompTox (DSSTox): DTXSID50872537. Retrieved 2026-10-04. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50872537 EPA Chemical Data Reporting: 12167-74-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12167-74-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283526 for CAS 12167-74-7. Reporting year: 2024. https://usatrade.census.gov/