NCM 2934.20.10
Heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused
Brazil import duty rates — Updated May 2026
NCM 2934.20.10 is the Brazilian tariff code for heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused. This code carries 12.6% import duty (II) and 0% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 9 NCM codes under HS heading 2934.20.
Classification hierarchy
Official Brazilian text: 2-Mercaptobenzotiazol e seus sais
Tax breakdown for NCM 2934.20.10
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2934.20
UN Comtrade 2024Brazil imported $85.1M of products under HS heading 2934.20 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2934.20 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 2934.20
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 2934.20.20 | 2,2'-Ditio-bis(benzotiazol) (dissulfeto de benzotiazila) | 12.6% | 0% | Calculate → |
| 2934.20.31 | 2-(Terbutilaminotio)benzotiazol (N-terbutil-benzotiazol-sulfenamida) | 0% | 0% | Calculate → |
| 2934.20.32 | 2-(Cicloexilaminotio)benzotiazol (N-cicloexil-benzotiazol-sulfenamida) | 0% | 0% | Calculate → |
| 2934.20.33 | 2-(Dicicloexilaminotio)benzotiazol (N,N-dicicloexil-benzotiazol-sulfenamida) | 12.6% | 0% | Calculate → |
| 2934.20.34 | 2-(4-Morfoliniltio)benzotiazol (N-oxidietileno-benzotiazol-sulfenamida) | 12.6% | 0% | Calculate → |
| 2934.20.39 | Outras | 12.6% | 0% | Calculate → |
| 2934.20.40 | 2-(Tiocianometiltio)benzotiazol (TCMTB) | 12.6% | 0% | Calculate → |
| 2934.20.90 | Outros | 0% | 0% | Calculate → |
How to import NCM 2934.20.10 into Brazil
- Confirm with your customs broker — NCM 2934.20.10 must exactly match your product description. Misclassification leads to fines and seizure.
- Calculate total cost — base import duty is 12.6%, 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 2934.20.10
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.