Tariff reference › Chapter 29 › 2925.29.70.00
HTS 2925.29.70.00 — Tetramethylguanidine
The current US import duty for Tetramethylguanidine (HTS 2925.29.70.00) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: › Imines and their derivatives; salts thereof: › Other: › Other: › Tetramethylguanidine
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | — |
| Column 2 (other) | 25% |
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=2925.29.70.00&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).