HS 2933.53: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof
Brazil import duty rates — Updated May 2026
HS 2933.53 covers allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof under Brazil's NCM classification. This heading maps to 12 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 $1.5M 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 2933.53
| NCM Code | Description (PT — official) | II | IPI | Ex-Tarif. | |
|---|---|---|---|---|---|
| 2933.53.11 | Alobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.12 | Amobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.21 | Barbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.22 | Butalbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.23 | Butobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.30 | Ciclobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.40 | Fenobarbital e seus sais | 12.6% | 0% | — | Calculate → |
| 2933.53.50 | Metilfenobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.60 | Pentobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.71 | Secbutabarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.72 | Secobarbital e seus sais | 0% | 0% | — | Calculate → |
| 2933.53.80 | Venilbital e seus sais | 0% | 0% | — | Calculate → |
How to import allobarbital (inn), amobarbital (inn), barbital (inn), butalbital (inn), butobarbital, cyclobarbital (inn), methylphenobarbital (inn), pentobarbital (inn), phenobarbital (inn), secbutabarbital (inn), secobarbital (inn) and vinylbital (inn); salts thereof into Brazil
- Confirm the NCM code — the table above shows 12 NCM codes under HS 2933.53. 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 2933.53.