Brazil NCM · 8-digit subitem

NCM 2912.29.20 – Alpha-hexylcinnamaldehyde

NCM 2912.29.20 (also written 29122920) is Brazil's code for alpha-hexylcinnamaldehyde. Its first 6 digits are HS code 2912.29.

Official description of NCM 2912.29.20

PortuguêsOfficial
Aldeído alfa-hexilcinâmico
EnglishUnofficial translation

alpha-Hexylcinnamic aldehyde

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

How to read NCM 2912.29.20

29Chapter 12Heading 29Subheading

HS code 2912.29
Same in every country

2Item 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 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.12 Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde Aldeídos, mesmo que contenham outras funções oxigenadas; polímeros cíclicos dos aldeídos; paraformaldeído.
  3. Group 2912.2 Cyclic aldehydes without other oxygen function: Aldeídos cíclicos que não contenham outras funções oxigenadas:
  4. Subheading 2912.29 Aldehydes; cyclic, without other oxygen function, other than benzaldehyde Outros
  5. Subitem 2912.29.20 alpha-Hexylcinnamic aldehyde Aldeído alfa-hexilcinâmico

Other NCM codes under HS 2912.29

2912.29.10 Alpha-amylcinnamaldehydeAldeído alfa-amilcinâmico 2912.29.90 Other cyclic aldehydesOutros

Questions about NCM 2912.29.20

What is NCM 2912.29.20?

NCM 2912.29.20 (29122920) is the Brazilian (Mercosur) code for alpha-hexylcinnamaldehyde. Its official Portuguese description is “Aldeído alfa-hexilcinâmico”.

What is the HS code for NCM 2912.29.20?

HS 2912.29 (Aldehydes; cyclic, without other oxygen function, other than benzaldehyde). 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 2912.29.20?

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.