1,3-Dimethyl-4-ethylbenzene

CAS 874-41-9

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$68M

Top sourceIndia 35%

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 290290 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290290, which covers 171 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 35%IndiaTW 11%TaiwanES 10%SpainDE 10%GermanyCN 8%China

Czech Republic
Netherlands
Switzerland
Pakistan
United Kingdom
Austria
Denmark
Indonesia
Lithuania
Hong Kong
Finland

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.

Crh Americas

Why It Matters

Sectors

Construction

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

Vendor Pricing

$87.00/gA2B Chem LLC

CountryUnited States

Pack$87.00 / 1 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
Combi-Blocks, Inc.	United States	$93.70	10 g	95%
AA BLOCKS	United States	$97.00	1 g	95%
Labotest KG	Germany	$217.80	5000 mg	90%

Chemical Identity

CAS874-41-9

PubChem CID13403

DTXSIDDTXSID0061246

FormulaC10H14

Mol. Weight134.22 g/mol

SMILESCCC1=C(C=C(C=C1)C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID0061246Retrieved 2026-04-06
PubChem · compound 13403Retrieved 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

1,3-Dimethyl-4-ethylbenzene (CAS 874-41-9) https://chemicalindependence.com/chemical/874-41-9/ EPA CompTox (DSSTox): DTXSID0061246. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0061246 PubChem: 13403. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/13403 EPA Chemical Data Reporting: 874-41-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 874-41-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290290 for CAS 874-41-9. Reporting year: 2024. https://usatrade.census.gov/