NCM 2933.29.92
Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives
Brazil import duty rates — Updated May 2026
NCM 2933.29.92 is the Brazilian tariff code for heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives. 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 18 NCM codes under HS heading 2933.29.
Classification hierarchy
Official Brazilian text: Histidina e seus sais
Tax breakdown for NCM 2933.29.92
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2933.29
UN Comtrade 2024Brazil imported $102.0M of products under HS heading 2933.29 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2933.29 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 2933.29
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 2933.29.11 | 2-Metil-5-nitroimidazol | 0% | 0% | Calculate → |
| 2933.29.12 | Metronidazol e seus sais | 12.6% | 0% | Calculate → |
| 2933.29.13 | Tinidazol | 12.6% | 0% | Calculate → |
| 2933.29.19 | Outros | 0% | 0% | Calculate → |
| 2933.29.21 | Econazol e seu nitrato | 12.6% | 0% | Calculate → |
| 2933.29.22 | Nitrato de miconazol | 12.6% | 0% | Calculate → |
| 2933.29.23 | Cloridrato de clonidina | 0% | 0% | Calculate → |
| 2933.29.24 | Nitrato de isoconazol | 0% | 0% | Calculate → |
| 2933.29.25 | Clotrimazol | 0% | 0% | Calculate → |
| 2933.29.29 | Outros | 0% | 0% | Calculate → |
| 2933.29.30 | Cimetidina e seus sais | 0% | 0% | Calculate → |
| 2933.29.40 | 4-Metil-5-hidroximetilimidazol e seus sais | 10.8% | 0% | Calculate → |
| 2933.29.91 | Imidazol | 0% | 0% | Calculate → |
| 2933.29.93 | Ondansetron e seus sais | 0% | 0% | Calculate → |
| 2933.29.94 | 1-Hidroxietil-2-undecanoilimidazolina | 10.8% | 0% | Calculate → |
| 2933.29.95 | 1-Hidroxietil-2-(8-heptadecenoil)imidazolina | 10.8% | 0% | Calculate → |
| 2933.29.99 | Outros | 0% | 0% | Calculate → |
How to import NCM 2933.29.92 into Brazil
- Confirm with your customs broker — NCM 2933.29.92 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 2933.29.92
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.