2921.59 · Other:
This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.
Subordinate codes (7)
| Code | Description |
|---|---|
| 2921.59.04.00 | 1,8-Diaminonaphthalene (1,8-Naphthalenediamine) |
| 2921.59.08.00 | 5-Amino-2-(<i>p</i>-aminoanilino) benzenesulfonic acid; 4,4'-Diamino-3-biphenylsulfonic acid (3-Benzidinesulfonic acid); 3,3'-Dimethylbenzidine (<i>o</i>-Tolidine); 3,3'-Dimethylbenzidine hydrochloride; Ethyl-(2-dimethylaminoethyl) aniline;<i>N</i>-Ethyl-<i>N</i>,<i>N</i>'-dimethyl-<i>N</i>'-phenylethylene- diamine; and 4,4'-Methylenebis(2-chloroaniline) |
| 2921.59.17.00 | 4,4'-Benzidine-2,2'-disulfonic acid; 1,4-Diaminobenzene-2-sulfonic acid; 4,4'-Methylene bis ((3-chloro-2,6-diethylaniline); 4,4'-Methylene bis(2,6-diethylaniline); 4,4'-Methylene bis (2,6-diisopropylaniline);<i>m</i>-Xylene diamine; and 3,3'-Diaminobenzidine (tetraaminobiphenyl) |
| 2921.59.20.00 | 4,4'-Diamino-2,2'-stilbenedisulfonic acid |
| 2921.59.30.00 | 4,4'-Methylenedianiline |
| 2921.59.40.00 | Products described in additional U.S. note 3 to section VI |
| 2921.59.80 | Other |
Frequently asked
- What does 2921.59 cover?
- Other:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
- Where does this data come from?
- Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.