Phosphinic acid, P-methyl-, butyl ester

CAS 6172-80-1

Molecular structure of 6172-80-1
US productionNot reported
Import value, 2024$598M
Top sourceChina 89%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

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 293149 · basket

EPA reports by year
2023
US production Not published · Imports Not published

These shares come from HS customs code 293149, which covers 114 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
Domestic parents -- activity not disclosed (1)
Basf

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS6172-80-1
PubChem CIDNot recorded
DTXSIDDTXSID80446689
FormulaC5H12O2P
Mol. Weight135.122 g/mol
SMILESCCCCO[P+](C)=O

Data Sources

Brief citations

Phosphinic acid, P-methyl-, butyl ester (CAS 6172-80-1) https://chemicalindependence.com/chemical/6172-80-1/ EPA TSCA Inventory: CAS 6172-80-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 6172-80-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293149 for CAS 6172-80-1. Reporting year: 2024. https://usatrade.census.gov/