NCM 2931.90.42
Organo-inorganic compounds; other than tetramethyl lead, tetraethyl lead, tributyltin compounds, and other organo-phosphorous derivatives
Brazil import duty rates — Updated May 2026
NCM 2931.90.42 is the Brazilian tariff code for organo-inorganic compounds; other than tetramethyl lead, tetraethyl lead, tributyltin compounds, and other organo-phosphorous 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 2931.90.
Classification hierarchy
Official Brazilian text: Tetraoctilestanho
Tax breakdown for NCM 2931.90.42
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 2931.90
UN Comtrade 2024Brazil imported $216.4M of products under HS heading 2931.90 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 2931.90 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 2931.90
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 2931.90.21 | Bis(trimetilsilil)ureia | 0% | 0% | Calculate → |
| 2931.90.29 | Outros | 0% | 0% | Calculate → |
| 2931.90.41 | Acetato de trifenilestanho | 0% | 0% | Calculate → |
| 2931.90.43 | Ciexatin | 0% | 0% | Calculate → |
| 2931.90.44 | Hidróxido de trifenilestanho | 0% | 0% | Calculate → |
| 2931.90.45 | Óxido de fembutatina | 10.8% | 0% | Calculate → |
| 2931.90.46 | Sais de dimetil-estanho, de dibutil-estanho e de dioctil-estanho, dos ácidos carboxílicos ou tioglicólicos e de seus ésteres | 10.8% | 0% | Calculate → |
| 2931.90.49 | Outros | 0% | 0% | Calculate → |
| 2931.90.51 | Ácido metilarsínico e seus sais | 0% | 0% | Calculate → |
| 2931.90.52 | 2-Clorovinil-dicloroarsina | 0% | 0% | Calculate → |
| 2931.90.53 | Bis(2-clorovinil)cloroarsina | 0% | 0% | Calculate → |
| 2931.90.54 | Tris(2-clorovinil)arsina | 0% | 0% | Calculate → |
| 2931.90.59 | Outros | 0% | 0% | Calculate → |
| 2931.90.61 | Tricloreto de etilalumínio (sesquicloreto de etilalumínio) | 0% | 0% | Calculate → |
| 2931.90.62 | Cloreto de dietilalumínio | 10.8% | 0% | Calculate → |
| 2931.90.69 | Outros | 0% | 0% | Calculate → |
| 2931.90.90 | Outros | 0% | 0% | Calculate → |
How to import NCM 2931.90.42 into Brazil
- Confirm with your customs broker — NCM 2931.90.42 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 2931.90.42
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.