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10,515 NCM codes · 5,612 HS headings
Data: May 2026
Last updated: May 2026
Ch. 38›HS 3812.31

NCM 3812.31.00

Anti-oxidising preparations and other compound stabilisers; for rubber or plastics, mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)

Brazil import duty rates — Updated May 2026

12.6%
Import Duty (II)
6.5%
IPI
—
Ex-Tarifário
Calc
Full landed cost

NCM 3812.31.00 is the Brazilian tariff code for anti-oxidising preparations and other compound stabilisers; for rubber or plastics, 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.

Classification hierarchy

Ch. 38Miscellaneous chemical products
3812Prepared rubber accelerators; compound plasticisers for rubber or plastics, n.e.c. or included; anti-oxidising preparations and other compound stabilisers for rubber or plastics
3812.31Anti-oxidising preparations and other compound stabilisers; for rubber or plastics, mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
3812.31.00
Anti-oxidising preparations and other compound stabilisers; for rubber or plastics, mixtures of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)

Official Brazilian text: -- Misturas de oligômeros de 2,2,4-trimetil-1,2-di-hidroquinolina (TMQ)

Tax breakdown for NCM 3812.31.00

Import Duty (II)Imposto de Importação
12.6%
IPIExcise tax
6.5%
PIS/COFINSSocial contributions
11.75%
ICMSState VAT — varies by state
17–20%
AFRMMMaritime freight surcharge
8%
Calculate exact landed cost →

Taxes are cascading — each applies on a different base. Use the calculator for the exact total.

Trade overview — HS 3812.31

UN Comtrade 2024

Brazil imported $21.5M of products under HS heading 3812.31 in 2024. Top suppliers:

1China
$11.1M51.7%
2Germany
$8.0M37.1%
3India
$1.6M7.4%
4#380
$332K1.5%
5Spain
$285K1.3%

Trade data is at the 6-digit HS level. See full HS 3812.31 details →

Regulatory agencies

ANVISAIBAMA

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.

How to import NCM 3812.31.00 into Brazil

  1. Confirm with your customs broker — NCM 3812.31.00 must exactly match your product description. Misclassification leads to fines and seizure.
  2. 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.
  3. Get import licenses — this chapter requires clearance from ANVISA, IBAMA. Apply before shipping.
  4. 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 3812.31.00

Enter CIF value and get a breakdown of all 7 Brazilian import taxes.

Open CalculatorHS 3812.31 Details