HS 2934.20: Heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused
Brazil import duty rates — Updated May 2026
HS 2934.20 covers heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused under Brazil's NCM classification. This heading maps to 9 Brazilian NCM codes with import duty (II) ranging from 0%–12.6%. Under the EU-Mercosur agreement, EU-origin products in this category benefit from progressive tariff reduction. In 2024, Brazil imported $85.1M worth of these products, with China 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 2934.20
| NCM Code | Description (PT — official) | II | IPI | Ex-Tarif. | |
|---|---|---|---|---|---|
| 2934.20.10 | 2-Mercaptobenzotiazol e seus sais | 12.6% | 0% | — | Calculate → |
| 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 heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused into Brazil
- Confirm the NCM code — the table above shows 9 NCM codes under HS 2934.20. Your Brazilian customs broker will determine the exact 8-digit NCM.
- Check the import duty — rates for this heading range from 0%–12.6%. 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 2934.20.