NCM 3812.39.12
Anti-oxidising preparations and other compound stabilisers; for rubber or plastics, other than mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
Brazil import duty rates — Updated May 2026
NCM 3812.39.12 is the Brazilian tariff code for anti-oxidising preparations and other compound stabilisers; for rubber or plastics, other than mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ). This code carries 12.6% import duty (II) and 6.5% IPI. EU-origin products in this category benefit from the EU-Mercosur trade agreement. This is one of 5 NCM codes under HS heading 3812.39.
Classification hierarchy
Official Brazilian text: Que contenham fosfitos de alquila, de arila ou de alquil-arila
Tax breakdown for NCM 3812.39.12
Taxes are cascading — each applies on a different base. Use the calculator for the exact total.
Trade overview — HS 3812.39
UN Comtrade 2024Brazil imported $127.8M of products under HS heading 3812.39 in 2024. Top suppliers:
Trade data is at the 6-digit HS level. See full HS 3812.39 details →
Regulatory agencies
Products under this NCM may need pre-approval before customs clearance.
EU-Mercosur impact
Most products see tariff elimination over 7-10 years. Diagnostic reagents and specialty chemicals benefit.
Other NCM codes under HS 3812.39
| NCM | Description (PT — official) | II | IPI | |
|---|---|---|---|---|
| 3812.39.11 | Que contenham derivados N-substituídos de p-fenilenodiamina | 12.6% | 6.5% | Calculate → |
| 3812.39.19 | Outros | 0% | 6.5% | Calculate → |
| 3812.39.21 | Que contenham derivados N-substituídos de p-fenilenodiamina | 12.6% | 6.5% | Calculate → |
| 3812.39.29 | Outros | 12.6% | 6.5% | Calculate → |
How to import NCM 3812.39.12 into Brazil
- Confirm with your customs broker — NCM 3812.39.12 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 (6.5%), 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. 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 3812.39.12
Enter CIF value and get a breakdown of all 7 Brazilian import taxes.