Brazil NCM · 8-digit subitem

NCM 2905.39.10 – 2-Methyl-2,4-pentanediol (hexylene glycol)

NCM 2905.39.10 (also written 29053910) is Brazil's code for 2-Methyl-2,4-pentanediol (hexylene glycol). Its first 6 digits are HS code 2905.39.

Official description of NCM 2905.39.10

PortuguêsOfficial
2-Metil-2,4-pentanodiol (hexilenoglicol)
EnglishUnofficial translation

2-Methyl-2,4-pentanediol (hexylene glycol)

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

How to read NCM 2905.39.10

29Chapter 05Heading 39Subheading

HS code 2905.39
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 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 2905.3 Diols: Dióis:
  4. Subheading 2905.39 Alcohols; acyclic, diols, other than ethylene glycol (ethandiol) or propylene glycol (propane-1,2-diol) Outros
  5. Subitem 2905.39.10 2-Methyl-2,4-pentanediol (hexylene glycol) 2-Metil-2,4-pentanodiol (hexilenoglicol)

Other NCM codes under HS 2905.39

2905.39.20 Trimethylene glycol (1,3-propanediol)Trimetilenoglicol (1,3-propanodiol) 2905.39.30 1,3-Butylene glycol (1,3-butanediol)1,3-Butilenoglicol (1,3-butanodiol) 2905.39.90 Other diolsOutros

Questions about NCM 2905.39.10

What is NCM 2905.39.10?

NCM 2905.39.10 (29053910) is the Brazilian (Mercosur) code for 2-Methyl-2,4-pentanediol (hexylene glycol). Its official Portuguese description is “2-Metil-2,4-pentanodiol (hexilenoglicol)”.

What is the HS code for NCM 2905.39.10?

HS 2905.39 (Alcohols; acyclic, diols, other than ethylene glycol (ethandiol) or propylene glycol (propane-1,2-diol)). 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 2905.39.10?

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.