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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily amide-function derivative
If nitrogen-function as amide dominates over heterocycle, earlier heading 2924-2925 takes precedence before 2933 numerical order.
If organo-sulfur impurity present
Heading 2930 for organo-sulfur compounds precedes 2933; if sulfur directly linked to carbon, it classifies there per note.
If crude reaction mixture
Not 'separate chemically defined' per chapter note (a); impure mixtures go to prepared binders or Chapter 38 residuals.
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Import Tips & Compliance
• Declare intended use as chemical intermediate to qualify for potential duty drawbacks
• Ensure no retail packaging to avoid Chapter 38 shift
• Track REACH/ TSCA pre-notifications for US entry
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.
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.
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.