1,2,4-Trichlorobenzene

CAS 120-82-1

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$108M

Top sourceChina 77%

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 290399 · basket

EPA reports by year

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

These shares come from HS customs code 290399, which covers 178 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 77%ChinaIN 7%IndiaDE 7%GermanyJP 5%JapanIT 2%Italy

Ukraine
United Kingdom
Israel
Taiwan
Russia
Hong Kong
Canada
Ireland
Latvia

EPA-registered importers (4)

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

Lanxess

Tedia

Why It Matters

Sectors

AgricultureTextilesConsumer ProductsPaints & CoatingsPaper & PrintingCore 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

Used in 6 sectors as 3 functional roles.

•Laboratory chemicals in Wholesale and Retail TradeNot Known or Reasonably Ascertainable
•Laboratory chemicals in ServicesNot Known or Reasonably Ascertainable
•Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingProcessing as a reactant
•Pigment in Synthetic Dye and Pigment Manufacturing (40%)Use—non-incorporative activities
•Pigment in Paint and Coating Manufacturing (40%)Use—non-incorporative activities
•Pigment in Printing Ink Manufacturing (20%)Use—non-incorporative activities

Chemical Identity

CAS120-82-1

PubChem CID13

DTXSIDDTXSID0021965

FormulaC6H3Cl3

Mol. Weight181.4 g/mol

SMILESC1=CC(=C(C=C1Cl)Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID0021965Retrieved 2026-04-06
PubChem · compound 13Retrieved 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

1,2,4-Trichlorobenzene (CAS 120-82-1) https://chemicalindependence.com/chemical/120-82-1/ EPA CompTox (DSSTox): DTXSID0021965. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0021965 PubChem: 13. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/13 EPA Chemical Data Reporting: 120-82-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 120-82-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290399 for CAS 120-82-1. Reporting year: 2024. https://usatrade.census.gov/