3,5-Dimethylpyridine

CAS 591-22-0

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$1.3B

Top sourceChina 32%

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 293339 · basket

EPA reports by year

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

These shares come from HS customs code 293339, which covers 397 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 32%ChinaIN 15%IndiaDE 10%GermanyBE 9%BelgiumCH 8%Switzerland

Taiwan
Ukraine
Sweden
Argentina
Canada
Finland
Malta
Israel
Netherlands
Denmark
United Arab Emirates
Mexico
Brunei
Slovakia
Australia
South Africa
Poland
Latvia
Lithuania
Estonia
Slovenia
Czech Republic
Croatia
Hong Kong

Domestic parents -- activity not disclosed (2)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Aurorium

Lamberti Usa

Why It Matters

Sectors

Agriculture

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 Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.09/gApollo Scientific US

CountryUnited Kingdom

Pack$429.00 / 5 kg

Purity99%

Vendors10 available

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

9 more vendors

Vendor	Country	$/g	Pack	Purity
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
A2B Chem LLC	United States	$0.27	1 kg	98%
AA BLOCKS	United States	$0.28	1 kg	98%
Fluorochem UK	United Kingdom	$0.63	500 g	99%
ChemDiv, Inc.	United States	$25.00	25 g	90%
Labotest KG	Germany	$217.80	5000 mg	90%
Key Organics Ltd.	United Kingdom	$1960.00	100 mg	90%
Otava, Ltd.	Ukraine	$2280.00	50 mg	95%
Otava, Ltd. (2 weeks)	Ukraine	$2724.00	50 mg	95%

Chemical Identity

CAS591-22-0

PubChem CID11565

DTXSIDDTXSID5052254

FormulaC7H9N

Mol. Weight107.15 g/mol

SMILESCC1=CC(=CN=C1)C

Data Sources

EPA CompTox (DSSTox) · DTXSID5052254Retrieved 2026-04-06
PubChem · compound 11565Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · 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

3,5-Dimethylpyridine (CAS 591-22-0) https://chemicalindependence.com/chemical/591-22-0/ EPA CompTox (DSSTox): DTXSID5052254. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID5052254 PubChem: 11565. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/11565 EPA Chemical Data Reporting: 591-22-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 591-22-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293339 for CAS 591-22-0. Reporting year: 2024. https://usatrade.census.gov/