Import duty / Chapter 29 / Heading 2921
Heading 2921 covers 18 tariff lines in LoadLoom's table; 7 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 2921.11 | Amine-function compounds; acyclic monoamines and their derivatives, methylamine, di- or trimethylamine and their salts | 3.7% | Free | Free with certificate |
| 2921.12 | Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride | Free | Free | Free with certificate |
| 2921.13 | Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Diethylamino)ethylchloride hydrochloride | Free | Free | Free with certificate |
| 2921.14 | Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Diisopropylamino)ethylchloride hydrochloride | 6.5% | Free | Free with certificate |
| 2921.19 | Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, n.e.c. in item no. 2921.1 | 3.7% | Free | Not eligible |
| 2921.21 | Amine-function compounds; acyclic polyamines and their derivatives, ethylenediamine and its salts | 5.8% | Free | Free with certificate |
| 2921.22 | Amine-function compounds; acyclic polyamines and their derivatives, hexamethylenediamine and its salts | 6.5% | Free | Not eligible |
| 2921.29 | Amine-function compounds; acyclic polyamines and their derivatives, and salts thereof, n.e.c. in item no. 2921.2 | 6.5% | Free | Free with certificate |
| 2921.30 | Amine-function compounds; cyclanic, cyclenic or cycloterpenic mono- or polyamines and their derivatives; salts thereof | Free | Free | Not eligible |
| 2921.41 | Amine-function compounds; aromatic monoamines and their derivatives, aniline and its salts | 6.5% | Free | Not eligible |
| 2921.42 | Amine-function-compounds; aromatic monoamines and their derivatives, aniline derivatives and their salts | 6.5% | Free | Not eligible |
| 2921.43 | Amine-function compounds; aromatic monoamines and their derivatives, toluidines and their derivatives; salts thereof | Free | Free | Not eligible |
| 2921.44 | Amine-function compounds; aromatic monoamines and their derivatives, diphenylamine and its derivatives; salts thereof | Free | Free | Not eligible |
| 2921.45 | Amine-function compounds; aromatic monoamines and their derivatives; 1-naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthaylamine) and their derivatives; salts thereof | 6.5% | Free | Not eligible |
| 2921.46 | Amine-function compounds; aromatic monoamines and derivatives; amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereof | Free | Free | Free with certificate |
| 2921.49 | Amine-function compounds; aromatic monoamines and their derivatives; salts thereof; n.e.c. in item no. 2921.4 | 5.8% | Free | Not eligible |
| 2921.51 | Amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereof | 6.5% | Free | Not eligible |
| 2921.59 | Amine-function compounds; aromatic polyamines and their derivatives, other than item no. 2921.51 | Free | Free | Not eligible |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
