Brazil NCM · 8-digit subitem

NCM 3102.29.90 – Other ammonium sulphate/nitrate salts and mixtures

NCM 3102.29.90 (also written 31022990) is Brazil's code for other ammonium sulphate/nitrate salts and mixtures. Its first 6 digits are HS code 3102.29.

Official description of NCM 3102.29.90

PortuguêsOfficial
Outros
EnglishUnofficial translation

Other

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

How to read NCM 3102.29.90

31Chapter 02Heading 29Subheading

HS code 3102.29
Same in every country

9Item 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 31.02 Fertilizers; mineral or chemical, nitrogenous Adubos (fertilizantes) minerais ou químicos, nitrogenados (azotados).
  3. Group 3102.2 Ammonium sulphate; double salts and mixtures of ammonium sulphate and ammonium nitrate: Sulfato de amônio; sais duplos e misturas, de sulfato de amônio e de nitrato de amônio:
  4. Subheading 3102.29 Fertilizers, mineral or chemical; nitrogenous, other than ammonium sulphate Outros
  5. Subitem 3102.29.90 Other Outros

Other NCM codes under HS 3102.29

3102.29.10 Ammonium sulphonitrate fertilizerSulfonitrato de amônio

Questions about NCM 3102.29.90

What is NCM 3102.29.90?

NCM 3102.29.90 (31022990) is the Brazilian (Mercosur) code for other ammonium sulphate/nitrate salts and mixtures. Its official Portuguese description is “Outros”.

What is the HS code for NCM 3102.29.90?

HS 3102.29 (Fertilizers, mineral or chemical; nitrogenous, other than ammonium 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 3102.29.90?

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.