2-Ethyl-4-methyl-1H-imidazole

CAS 931-36-2

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$114M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceChina 26%

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. 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 293329 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 293329, which covers 173 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).

CN 26%ChinaIN 17%IndiaKR 16%South KoreaDE 9%GermanyIT 9%Italy

Australia
Brazil
Czech Republic
Ireland
Sweden
Ukraine
Poland
United Arab Emirates
Hungary
Israel
Netherlands
Canada
Saudi Arabia
Greece
Belgium
Austria
Latvia
Singapore
Denmark

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.

Basf Se · DE Germany

Basf

Why It Matters

Sectors

Core Chemicals

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 All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$0.07/gAngene Chemical

CountryChina (registered: Hong Kong)

Pack$37.00 / 500 g

Purity96%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Chemscene	United States	$0.07	1 kg	—
Aaron Chemicals LLC	Hong Kong	$0.07	500 g	95%
BLD Pharmatech GmbH	Germany	$0.09	500 g	95%
BLD Pharmatech Ltd.	China	$0.09	500 g	95%
A2B Chem LLC	United States	$0.18	100 g	95%
AA BLOCKS	United States	$0.19	100 g	95%
BLD Pharmatech Co., Limited	United States	$0.24	100 g	95%
Ambeed, Inc.	United States	$0.24	100 g	95%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
Angene International Limited	United States	$1.43	100 g	98%
TargetMol Chemicals	China → United States	$65.00	1 g	—
Angene	China → Hong Kong	$4266.67	30 mg	96%

Chemical Identity

CAS931-36-2

PubChem CID70262

DTXSIDDTXSID9044744

FormulaC6H10N2

Mol. Weight110.16 g/mol

SMILESCCC1=NC=C(N1)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9044744Retrieved 2026-04-06
PubChem · compound 70262Retrieved 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

2-Ethyl-4-methyl-1H-imidazole (CAS 931-36-2) https://chemicalindependence.com/chemical/931-36-2/ EPA CompTox (DSSTox): DTXSID9044744. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9044744 PubChem: 70262. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/70262 EPA Chemical Data Reporting: 931-36-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 931-36-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293329 for CAS 931-36-2. Reporting year: 2024. https://usatrade.census.gov/