N,N,4-Trimethylaniline

CAS 99-97-8

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

US productionZero

Import value, 2024$59M

Import volume301.6K lb

Import dependency100%

Top sourceGermany 55%

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.

N,N,4-Trimethylaniline · US import value by year

2013: $72M · Peak 2023: $82M · 2024: $59M · 2025: $42M

Where It Comes From

Customs basis: HS 292143 · basket

EPA reports by year

2023: US production Zero · Imports 301.6K lb
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 292143, which covers 45 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).

DE 55%GermanyIT 30%ItalyIN 11%IndiaJP 2%JapanCN 1%China

South Korea
United Kingdom
Taiwan

EPA-registered importers (1)

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

Aceto Us

Why It Matters

Sectors

Metals & Mining

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 Miscellaneous Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.03/gAaron Chemicals LLC

CountryHong Kong

Pack$16.00 / 500 g

Purity98%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.04	500 g	98%
Fluorochem UK	United Kingdom	$0.11	100 g	96%
Chemscene	United States	$0.18	500 g	—
Ambeed, Inc.	United States	$0.18	500 g	98%
ALFA AESAR	Germany	$0.23	2.5 kg	99%
A2B Chem LLC	United States	$0.28	25 g	98%
AA BLOCKS	United States	$0.32	100 g	98%
Apollo Scientific UK	United Kingdom	$0.34	100 g	95%
AK Scientific Specialized	United States	$0.41	100 g	95%
AstaTech (2 weeks)	United States	$0.99	100 g	95%
Angene International Limited	United States	$2.84	25 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	98%

Chemical Identity

CAS99-97-8

PubChem CID7471

DTXSIDDTXSID0021832

FormulaC9H13N

Mol. Weight135.21 g/mol

SMILESCC1=CC=C(C=C1)N(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID0021832Retrieved 2026-04-06
PubChem · compound 7471Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

N,N,4-Trimethylaniline (CAS 99-97-8) https://chemicalindependence.com/chemical/99-97-8/ EPA CompTox (DSSTox): DTXSID0021832. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0021832 PubChem: 7471. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7471 EPA Chemical Data Reporting: 99-97-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 99-97-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292143 for CAS 99-97-8. Reporting year: 2024. https://usatrade.census.gov/