Tariff reference › Chapter 29 › 2933.19.15.00
HTS 2933.19.15.00 — 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)
The current US import duty for 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate) (HTS 2933.19.15.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Heterocyclic compounds with nitrogen hetero-atom(s) only: › Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: › Other: › Aromatic or modified aromatic: › 1,2-Dimethyl-3,5-diphenyl-1H-pyrazolium methyl sulfate (Difenzoquat methyl sulfate)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 15.4¢/kg + 48.5% |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2933.19.15.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).