N,N-Diethylaniline

CAS 91-66-7

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

Molecular structure of 91-66-7
US productionZero
Import value, 2024$30M
Import volume220.5K lb
Import dependency100%
Top sourceChina 49%

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-Diethylaniline · US import value by year
$58M2013$30M2024$88M2025

2013: $58M · 2024: $30M · Peak 2025: $88M

Where It Comes From

Customs basis: HS 292142 · basket

EPA reports by year
2023
US production Zero · Imports 220.5K lb
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 292142, which covers 67 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 49%ChinaIN 34%IndiaDE 6%GermanyCA 4%CanadaKR 3%South Korea
EPA-registered importers (1)
Aceto Us

Why It Matters

Sectors
Metals & Mining
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Intermediate in Miscellaneous Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.29/gA2B Chem LLC (1 week)
CountryUnited States
Pack$147.00 / 500 g
PurityNot recorded
Vendors7 available

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

Chemical Identity

CAS91-66-7
PubChem CID7061
DTXSIDDTXSID8021800
FormulaC10H15N
Mol. Weight149.23 g/mol
SMILESCCN(CC)C1=CC=CC=C1

Data Sources

Brief citations

N,N-Diethylaniline (CAS 91-66-7) https://chemicalindependence.com/chemical/91-66-7/ EPA CompTox (DSSTox): DTXSID8021800. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8021800 PubChem: 7061. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7061 EPA Chemical Data Reporting: 91-66-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 91-66-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292142 for CAS 91-66-7. Reporting year: 2024. https://usatrade.census.gov/