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Simazine

CAS 122-34-9

1,3,5-Triazine-2,4-diamine, 6-chloro-N2,N4-diethyl-

Molecular structure of 122-34-9
US productionNot reported
Import value, 2024$754M
Top sourceChina 30%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 293369, 380893 · basket

These shares come from HS customs code 293369, 380893, which covers 209 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 30%ChinaIN 14%IndiaDE 11%GermanyJP 8%JapanCO 8%Colombia

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS122-34-9
PubChem CIDNot recorded
DTXSIDDTXSID4021268
FormulaC7H12ClN5
Mol. Weight201.66 g/mol
SMILESCCNC1=NC(NCC)=NC(Cl)=N1

Data Sources

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Brief citations

Simazine (CAS 122-34-9) https://chemicalindependence.com/chemical/122-34-9/ EPA TSCA Inventory: CAS 122-34-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 293369,380893 for CAS 122-34-9. Reporting year: 2024. https://usatrade.census.gov/