HS 2921.51: Amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereof
Brazil import duty rates — Updated May 2026
HS 2921.51 covers amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereof under Brazil's NCM classification. This heading maps to 11 Brazilian NCM codes with import duty (II) ranging from 0%–10.8%. Under the EU-Mercosur agreement, EU-origin products in this category benefit from progressive tariff reduction. In 2024, Brazil imported $70.4M worth of these products, with Belgium as the leading supplier.
Regulatory agencies
Products under this heading may require pre-approval before customs clearance. Learn more
EU-Mercosur impact
Gradual tariff elimination over 7-10 years. Pharmaceutical intermediates benefit significantly.
Brazil imports — 2024
Source: UN ComtradeTop exporters to Brazil
CIF values in USD. Percentage = share of Brazil's total imports for this HS heading.
NCM codes under HS 2921.51
| NCM Code | Description (PT — official) | II | IPI | Ex-Tarif. | |
|---|---|---|---|---|---|
| 2921.51.11 | m-Fenilenodiamina e seus sais | 0% | 0% | — | Calculate → |
| 2921.51.12 | Diaminotoluenos (toluilenodiaminas) | 0% | 0% | — | Calculate → |
| 2921.51.19 | Outros | 0% | 0% | — | Calculate → |
| 2921.51.20 | Derivados sulfonados das fenilenodiaminas e de seus derivados; sais destes produtos | 0% | 0% | — | Calculate → |
| 2921.51.31 | N,N'-Di-sec-butil-p-fenilenodiamina | 10.8% | 0% | — | Calculate → |
| 2921.51.32 | N-Isopropil-N'-fenil-p-fenilenodiamina | 0% | 0% | — | Calculate → |
| 2921.51.33 | N-(1,3-Dimetilbutil)-N'-fenil-p-fenilenodiamina | 0% | 0% | — | Calculate → |
| 2921.51.34 | N-(1,4-Dimetilpentil)-N'-fenil-p-fenilenodiamina | 0% | 0% | — | Calculate → |
| 2921.51.35 | N-Fenil-p-fenilenodiamina (4-aminodifenilamina) e seus sais | 0% | 0% | — | Calculate → |
| 2921.51.39 | Outros | 0% | 0% | — | Calculate → |
| 2921.51.90 | Outros | 0% | 0% | — | Calculate → |
How to import amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereof into Brazil
- Confirm the NCM code — the table above shows 11 NCM codes under HS 2921.51. Your Brazilian customs broker will determine the exact 8-digit NCM.
- Check the import duty — rates for this heading range from 0%–10.8%. This is the base rate before other taxes.
- Calculate the full landed cost — Brazil charges 7 cascading taxes on imports: II, IPI, PIS, COFINS, ICMS, AFRMM, and Siscomex fee.
- Verify regulatory requirements — check if ANVISA, INMETRO, MAPA, or other agencies require pre-clearance for your product.
Brazil Import Taxes Explained
Complete guide to the 7 cascading taxes on every import.
How to Export to Brazil
Step-by-step guide for foreign companies.
Calculate your landed cost
Enter CIF value and get a breakdown of all 7 Brazilian import taxes for HS 2921.51.