Brazil NCM · 8-digit subitem

NCM 2905.17.20 – Cetyl alcohol (hexadecan-1-ol)

NCM 2905.17.20 (also written 29051720) is Brazil's code for cetyl alcohol (hexadecan-1-ol). Its first 6 digits are HS code 2905.17.

Official description of NCM 2905.17.20

PortuguêsOfficial
Álcool cetílico
EnglishUnofficial translation

Cetyl alcohol

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

How to read NCM 2905.17.20

29Chapter 05Heading 17Subheading

HS code 2905.17
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 29.05 Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives Álcoois acíclicos e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Group 2905.1 Saturated monohydric alcohols: Monoálcoois saturados:
  4. Subheading 2905.17 Alcohols; saturated monohydric, dodecan-1-ol (lauryl alcohol), hexadecan-1-ol (cetyl alcohol) and octadecan-1-ol (stearyl alcohol) Dodecan-1-ol (álcool láurico (laurílico*)), hexadecan-1-ol (álcool cetílico) e octadecan-1-ol (álcool esteárico)
  5. Subitem 2905.17.20 Cetyl alcohol Álcool cetílico

Other NCM codes under HS 2905.17

2905.17.10 Lauryl alcohol (dodecan-1-ol)Álcool láurico 2905.17.30 Stearyl alcohol (octadecan-1-ol)Álcool esteárico

Questions about NCM 2905.17.20

What is NCM 2905.17.20?

NCM 2905.17.20 (29051720) is the Brazilian (Mercosur) code for cetyl alcohol (hexadecan-1-ol). Its official Portuguese description is “Álcool cetílico”.

What is the HS code for NCM 2905.17.20?

HS 2905.17 (Alcohols; saturated monohydric, dodecan-1-ol (lauryl alcohol), hexadecan-1-ol (cetyl alcohol) and octadecan-1-ol (stearyl alcohol)). 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 2905.17.20?

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.