Benzenamine, 4,4'-methylenebis[2-methyl-6-(1-methylethyl)-

CAS 16298-38-7

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

US productionZero

Import value, 2024$84M

Import volume73.3K lb

Import dependency100%

Top sourceJapan 31%

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.

Benzenamine, 4,4'-methylenebis[2-methyl-6-(1-methylethyl)- · US import value by year

2013: $115M · Peak 2022: $148M · 2024: $84M · 2025: $96M

Where It Comes From

Customs basis: HS 292159 · basket

EPA reports by year

2023: US production Zero · Imports 73.3K lb
2019: US production Zero · Imports 45.2K lb

These shares come from HS customs code 292159, which covers 51 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).

JP 31%JapanIN 26%IndiaCN 21%ChinaCH 13%SwitzerlandBE 4%Belgium

United Kingdom
South Korea
Canada
Italy
Ukraine
Netherlands

EPA-registered importers (2)

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

Arxada

Hexcel

Why It Matters

Sectors

Plastics & RubberPaints & Coatings

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

Used in 2 sectors as 1 functional role.

•Hardener in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Hardener in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$89.00/gCombi-Blocks, Inc.

CountryUnited States

Pack$890.00 / 10 g

Purity95%

Vendors4 available

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

3 more vendors

Vendor	Country	$/g	Pack	Purity
A2B Chem LLC	United States	$126.00	500 mg	95%
AA BLOCKS	United States	$152.00	500 mg	95%
Labotest KG	Germany	$217.80	5000 mg	90%

Chemical Identity

CAS16298-38-7

PubChem CID159786

DTXSIDDTXSID5066033

FormulaC21H30N2

Mol. Weight310.5 g/mol

SMILESCC1=CC(=CC(=C1N)C(C)C)CC2=CC(=C(C(=C2)C)N)C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID5066033Retrieved 2026-04-06
PubChem · compound 159786Retrieved 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

Benzenamine, 4,4'-methylenebis[2-methyl-6-(1-methylethyl)- (CAS 16298-38-7) https://chemicalindependence.com/chemical/16298-38-7/ EPA CompTox (DSSTox): DTXSID5066033. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5066033 PubChem: 159786. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/159786 EPA Chemical Data Reporting: 16298-38-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16298-38-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292159 for CAS 16298-38-7. Reporting year: 2024. https://usatrade.census.gov/