Home › Ch. 29 › 2921 › 2921.19
HTS 2921.19.31.003-amino-3-methyl-1-butyne; (dimethylamino)isopropyl Chloride Hydrochloride
U.S. import duty rate and tariff classification for HTS 2921.19.31.00 — 3-amino-3-methyl-1-butyne; (dimethylamino)isopropyl Chloride Hydrochloride.
General (MFN)FreeMost-favored-nation rate (most countries)
Special—Trade-agreement partners
Column 230.5%Non-NTR countries
UnitkgReporting unit
U.S. trade in this category
See actual U.S. import & export volumes for Organic Chemicals (HS 29).
🇨🇳 Importing from China? Goods from China may carry an additional Section 301 tariff (+25% or +7.5%) on top of the rate above.
Estimate the real landed cost →
Source: U.S. International Trade Commission (USITC) Harmonized Tariff Schedule. Rates are for reference; verify with a licensed customs broker before importing.