1-Naphthalenamine, N-[(1,1,3,3-tetramethylbutyl)phenyl]-

CAS 51772-35-1

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$41M

Top sourceIndia 37%

At least one company claimed its 2023 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: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 292149 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Zero · Imports 29.9K lb

These shares come from HS customs code 292149, which covers 80 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).

IN 37%IndiaCN 25%ChinaDE 14%GermanyMX 9%MexicoGB 4%United Kingdom

Israel
Ireland
Czech Republic
Singapore
Slovakia
Lithuania
Belgium
Australia

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.

Pennzoil-Quaker State

Why It Matters

Sectors

Energy

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

•Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS51772-35-1

PubChem CID40123

DTXSIDDTXSID80894707

FormulaC24H29N

Mol. Weight331.5 g/mol

SMILESCC(C)(C)CC(C)(C)N(C1=CC=CC=C1)C2=CC=CC3=CC=CC=C32

Data Sources

EPA CompTox (DSSTox) · DTXSID80894707Retrieved 2026-04-06
PubChem · compound 40123Retrieved 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

1-Naphthalenamine, N-[(1,1,3,3-tetramethylbutyl)phenyl]- (CAS 51772-35-1) https://chemicalindependence.com/chemical/51772-35-1/ EPA CompTox (DSSTox): DTXSID80894707. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80894707 PubChem: 40123. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/40123 EPA Chemical Data Reporting: 51772-35-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 51772-35-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292149 for CAS 51772-35-1. Reporting year: 2024. https://usatrade.census.gov/