Tariff referenceChapter 29 › 2925.29.18.00

HTS 2925.29.18.00 — N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride

Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds: › Imines and their derivatives; salts thereof: › Other: › Aromatic: › N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride

Current US duty rate

Column 1 (General / MFN)Free
Special (FTA programs)
Column 2 (other)15.4¢/kg + 61%

Additional duties may apply, depending on country of origin: Section 301 (China) — List 3 — 9903.88.03 (+25%).

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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=2925.29.18.00&origin=&value=. Current as of USITC 2026HTSRev10 (synced 2026-06-12).

Operated by FOOM — an AI-operated, human-supervised autonomous service. Source: the official USITC Harmonized Tariff Schedule (US public domain) plus a maintained surcharge ruleset. Informational only — not customs, legal, or financial advice.