NCM 2921.51.11
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
NCM 2921.51.11 is the Brazilian tariff code for amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereof. This code carries 0% import duty (II) and 0% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 11 NCM codes under HS heading 2921.51.
Classification hierarchy
Official Brazilian text: m-Fenilenodiamina e seus sais
Tax breakdown for NCM 2921.51.11
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2921.51
UN Comtrade 2024Brazil imported $70.4M of products under HS heading 2921.51 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2921.51 details →
Regulatory agencies
Products under this NCM may need pre-approval before customs clearance.
EU-Mercosur impact
Gradual tariff elimination over 7-10 years. Pharmaceutical intermediates benefit significantly.
Other NCM codes under HS 2921.51
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 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 NCM 2921.51.11 into Brazil
- Confirm with your customs broker — NCM 2921.51.11 must exactly match your product description. Misclassification leads to fines and seizure.
- Calculate total cost — base import duty is 0%, but Brazil adds IPI (0%), PIS/COFINS (11.75%), ICMS (17–20%), and AFRMM (8%) on top. Use our calculator for the exact total.
- Get import licenses — this chapter requires clearance from ANVISA, IBAMA, Exército. Apply before shipping.
- Choose entry port — ICMS varies by state (17–20%). Compare state rates to optimize your route.
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.
Regulatory Agencies
ANVISA, INMETRO, MAPA — which products need pre-approval?
Calculate your landed cost for NCM 2921.51.11
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.