2,3,5,6-Tetrachloropyridine
CAS 2402-79-1
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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
- 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.
- 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
Why It Matters
Industrial Uses
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
21 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $0.09 | 500 g | 98% |
| A2B Chem LLC | United States | $0.16 | 500 g | 98% |
| Chemscene | United States | $0.20 | 1 kg | — |
| BLD Pharmatech Ltd. | China | $0.20 | 1 kg | 98% |
| BLD Pharmatech GmbH | Germany | $0.20 | 500 g | 98% |
| AA BLOCKS | United States | $0.20 | 500 g | 98% |
| Fluorochem UK | United Kingdom | $0.25 | 1 kg | 97% |
| MedChemExpress MCE | Sweden | $0.25 | 500 g | — |
| Combi-Blocks, Inc. | United States | $0.25 | 1 kg | 98% |
| Fluorochem EU | Germany | $0.35 | 100 g | 97% |
| AK Scientific Specialized | United States | $0.41 | 100 g | 95% |
| BLD Pharmatech Co., Limited | United States | $0.42 | 100 g | 98% |
| Ambeed, Inc. | United States | $0.42 | 100 g | 98% |
| AK Scientific, Inc. | United States | $0.55 | 100 g | 98% |
| AstaTech (2 weeks) | United States | $1.17 | 100 g | 98% |
| Synthonix | United States | $2.30 | 10 g | 98% |
| Angene International Limited | United States | $2.48 | 25 g | 95% |
| Apollo Scientific US | United Kingdom | $5.60 | 5 g | 98% |
| Specs | Netherlands | $1694.00 | 20 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
| Vitas M Chemical Limited | Hong Kong | $25500.00 | 2 mg | 90% |
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID7027467Retrieved 2026-04-06
- PubChem · compound 16990Retrieved 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
Brief citations
2,3,5,6-Tetrachloropyridine (CAS 2402-79-1) https://chemicalindependence.com/chemical/2402-79-1/ EPA CompTox (DSSTox): DTXSID7027467. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7027467 PubChem: 16990. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/16990 EPA Chemical Data Reporting: 2402-79-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2402-79-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293339 for CAS 2402-79-1. Reporting year: 2024. https://usatrade.census.gov/