Tris(hydroxymethyl)phosphine oxide
CAS 1067-12-5
Methanol, 1,1',1''-phosphinylidynetris-
Used in 1 industrial sector tracked by the EPA.
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.
Where It Comes From
Customs basis: HS 382499 · basket
- 2023
- US production 52.3K lb · Imports Zero
HS customs code 382499 covers 206 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.
Why It Matters
Industrial Uses
- •Cleaning agent in Miscellaneous Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
Brief citations
Tris(hydroxymethyl)phosphine oxide (CAS 1067-12-5) https://chemicalindependence.com/chemical/1067-12-5/ EPA TSCA Inventory: CAS 1067-12-5. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 1067-12-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1067-12-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting