Fenbuconazole Pure Active Ingredient
Fenbuconazole, chemically α-[2-(4-Chlorophenyl)ethyl]-α-phenyl-1H-1,2,4-triazole-1-propanenitrile, is a specific nitrogen-heterocyclic fungicide listed explicitly under HTS 2933.99.06.00. This pure form is used as the technical material for synthesizing crop protection formulations. It qualifies due to its aromatic triazole structure and chapter restrictions to chemically defined compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If when diluted or mixed into fungicide formulations
Chapter excludes formulated herbicides/fungicides; these move to Chapter 38 for pesticidal preparations rather than pure compounds.
If it's a different specific triazole compound listed there
HTS 2933.99.06.00 is narrowly for Myclobutanil and Fenbuconazole; other named triazoles have separate specific subheadings.
If classified primarily by its halophenyl alcohol function
If oxygen-function dominates over nitrogen-heterocycle, it could shift to earlier Chapter 29 subchapter for halogenated derivatives, per numerical order rule.
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Import Tips & Compliance
• Submit FIFRA import documentation and EPA Establishment Number
• Include NMR or HPLC analysis confirming chemical identity
• Avoid common pitfalls like mislabeling as generic 'triazole' without specific name
Related Products under HTS 2933.99.06.00
Myclobutanil Technical Grade Fungicide
Myclobutanil is a specific aromatic heterocyclic compound with a 1,2,4-triazole ring, chemically defined as α-Butyl-α-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile. It falls under HTS 2933.99.06.00 as a pure nitrogen-heterocyclic compound used primarily as an agricultural fungicide. This technical grade is the active ingredient before formulation into end-use products.
Myclobutanil 95% Technical Powder
This 95% purity Myclobutanil technical powder is the chemically defined α-Butyl-α-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile with minor stabilizers allowed under chapter note 2(f). It remains classified in HTS 2933.99.06.00 as the additions are solely for preservation/transport. Used as raw material for grape and apple fungicide production.
Fenbuconazole Stabilized Crystals
Fenbuconazole stabilized crystals contain the named propanenitrile triazole with anticaking agents per chapter note 2(f), maintaining classification in HTS 2933.99.06.00. This form prevents clumping during transport for formulation into seed treatments. Its aromatic nitrogen-heterocycle defines the tariff placement.
Myclobutanil Reference Standard
High-purity Myclobutanil reference standard (α-Butyl-α-(4-chlorophenyl)-1H-1,2,4-triazole-1-propanenitrile) >99% for analytical labs, classified under HTS 2933.99.06.00 as a chemically defined heterocyclic compound. Used for HPLC calibration in pesticide residue testing. Meets chapter requirements for separate organic compounds.
Fenbuconazole Process Intermediate
Fenbuconazole as a chemical intermediate in multi-step synthesis, specifically the named 1H-1,2,4-triazole-1-propanenitrile under HTS 2933.99.06.00. This pure compound is imported for final formulation stages in fungicide manufacturing. Chapter notes confirm classification for chemically defined heterocyclics.