3,5-Dimethylpyrazole
3,5-Dimethylpyrazole features methyl groups at positions 3 and 5 of the unfused pyrazole ring, fitting HTS 2933.19.90.00 as an 'other' pyrazole compound. Primarily used as a nitrification inhibitor in agricultural fertilizers and as a ligand in coordination chemistry.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported pre-formulated as pesticide active ingredient
Pesticides containing heterocyclic compounds classified under Chapter 38 as goods specified in Note 1 thereto.
If containing metal coordination complexes
Organo-metallic pyrazole complexes classified under organo-inorganic compounds (2931).
If bulk blended with urea for direct fertilizer application
Urea-based fertilizers containing additives classified as nitrogenous fertilizers.
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Import Tips & Compliance
• Include EPA registration number if destined for pesticide/fertilizer use
• Declare agricultural end-use on entry summary to qualify for potential duty exemptions
• Technical grade vs. analytical grade affects documentation - specify purity >99%
Related Products under HTS 2933.19.90.00
3-Amino-1-phenylpyrazole
3-Amino-1-phenylpyrazole is a heterocyclic compound containing an unfused pyrazole ring with an amino group at position 3 and phenyl substituent at nitrogen 1. It falls under HTS 2933.19.90.00 as a pyrazole derivative not specifically enumerated elsewhere in the subheading. Used primarily as an intermediate in pharmaceutical and agrochemical synthesis.
4-Nitro-1H-pyrazole
4-Nitro-1H-pyrazole contains an unfused pyrazole ring with nitro group substitution at position 4, qualifying as a nitrogen-heterocyclic compound under heading 2933. Classified in 2933.19.90.00 as 'other' pyrazole derivative. Used in synthesis of explosives, pharmaceuticals, and energetic materials.
4-Aminoantipyrine
4-Aminoantipyrine (4-amino-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one) contains unfused pyrazolone ring structure, classified HTS 2933.19.90.00 as other pyrazole compound. Widely used as analytical reagent for phenol detection and cholesterol determination in clinical labs.
Ceftriaxone Sodium Impurity A (Pyrazole Intermediate)
Ceftriaxone Sodium Impurity A is a pyrazole-containing synthetic intermediate used in cephalosporin antibiotic production, classified under HTS 2933.19.90.00 as other unfused pyrazole compound. Meets Chapter 29 definition for separate chemically defined organic compounds.
Pyrazolone Red Dye Intermediate
Pyrazolone Red Dye Intermediate is a substituted pyrazole compound used in azo dye coupling reactions for textile and ink applications. Classified HTS 2933.19.90.00 as unfused pyrazole 'other' per Chapter Note excluding only retail coloring matter.
1H-Pyrazole-3-carboxylic Acid
1H-Pyrazole-3-carboxylic acid contains both unfused pyrazole ring and carboxylic acid function, classified under HTS 2933.19.90.00 with heterocyclic heading taking precedence. Used in pharmaceutical synthesis and agrochemical production.