Brazil NCM · 8-digit subitem

NCM 3104.30.10 – Potassium sulphate, 52% K2O or less

NCM 3104.30.10 (also written 31043010) is Brazil's code for potassium sulphate, 52% K2O or less. Its first 6 digits are HS code 3104.30.

Official description of NCM 3104.30.10

PortuguêsOfficial
Que contenha, em peso, 52 % ou menos de óxido de potássio (K2O)
EnglishUnofficial translation

Containing by weight 52% or less of potassium oxide (K2O)

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 3104.30.10

31Chapter 04Heading 30Subheading

HS code 3104.30
Same in every country

1Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 31 Fertilizers Adubos (fertilizantes).
  2. Heading 31.04 Fertilizers; mineral or chemical, potassic Adubos (fertilizantes) minerais ou químicos, potássicos.
  3. Subheading 3104.30 Fertilizers, mineral or chemical; potassic, potassium sulphate Sulfato de potássio
  4. Subitem 3104.30.10 Containing by weight 52% or less of potassium oxide (K2O) Que contenha, em peso, 52 % ou menos de óxido de potássio (K2O)

Other NCM codes under HS 3104.30

3104.30.90 Potassium sulphate, over 52% K2OOutros

Questions about NCM 3104.30.10

What is NCM 3104.30.10?

NCM 3104.30.10 (31043010) is the Brazilian (Mercosur) code for potassium sulphate, 52% K2O or less. Its official Portuguese description is “Que contenha, em peso, 52 % ou menos de óxido de potássio (K₂O)”.

What is the HS code for NCM 3104.30.10?

HS 3104.30 (Fertilizers, mineral or chemical; potassic, potassium sulphate). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 3104.30.10?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.