Triisooctylamine

CAS 25549-16-0

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$148M

Top sourceChina 34%

At least one company claimed its 2019 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: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292119 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 292119, which covers 136 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

CN 34%ChinaPH 22%PhilippinesDE 17%GermanyBE 7%BelgiumJP 4%Japan

Spain
United Kingdom
Taiwan
South Korea
Indonesia
Ukraine
Netherlands
Russia
Hong Kong
Ireland
Armenia
Turkey
Latvia
New Zealand
Singapore
Brazil
Austria
Australia

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Evonik

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Basf

Why It Matters

Sectors

Core Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.18/gAaron Chemicals LLC

CountryHong Kong

Pack$88.00 / 500 g

Purity98%

Vendors9 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

8 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.20	500 g	98%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
A2B Chem LLC	United States	$0.30	100 g	98%
AstaTech, Inc	United States	$0.32	500 g	95%
AA BLOCKS	United States	$0.40	500 g	98%
Angene International Limited	United States	$0.63	500 g	98%
AK Scientific, Inc.	United States	$1.47	100 g	98%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS25549-16-0

PubChem CID75991

DTXSIDDTXSID30883207

FormulaC24H51N

Mol. Weight353.7 g/mol

SMILESCC(C)CCCCCN(CCCCCC(C)C)CCCCCC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID30883207Retrieved 2026-04-06
PubChem · compound 75991Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Triisooctylamine (CAS 25549-16-0) https://chemicalindependence.com/chemical/25549-16-0/ EPA CompTox (DSSTox): DTXSID30883207. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30883207 PubChem: 75991. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/75991 EPA Chemical Data Reporting: 25549-16-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 25549-16-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292119 for CAS 25549-16-0. Reporting year: 2024. https://usatrade.census.gov/