Tributyltetradecylphosphonium chloride

CAS 81741-28-8

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 81741-28-8
1 Cl⁻
US productionZero
Import value, 2024$598M
Import volume92.5K lb
Import dependency100%
Top sourceChina 89%

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.

Tributyltetradecylphosphonium chloride · US import value by year
$0M2013$1.5B2022$598M2024$691M2025

2013: $0M · Peak 2022: $1.5B · 2024: $598M · 2025: $691M

Where It Comes From

Customs basis: HS 293149 · basket

EPA reports by year
2023
US production Zero · Imports 92.5K lb

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
EPA-registered importers (1)
Brenntag

Why It Matters

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

Chemical Identity

CAS81741-28-8
PubChem CIDNot recorded
DTXSIDDTXSID9034997
FormulaC26H56ClP
Mol. Weight435.16 g/mol
SMILES[Cl-].CCCCCCCCCCCCCC[P+](CCCC)(CCCC)CCCC

Data Sources

Brief citations

Tributyltetradecylphosphonium chloride (CAS 81741-28-8) https://chemicalindependence.com/chemical/81741-28-8/ EPA CompTox (DSSTox): DTXSID9034997. Retrieved 2026-10-04. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9034997 EPA Chemical Data Reporting: 81741-28-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293149 for CAS 81741-28-8. Reporting year: 2024. https://usatrade.census.gov/