Brazil NCM · 8-digit code

NCM 2905.41.00 – Trimethylolpropane

NCM 2905.41.00 (also written 29054100) is Brazil's code for trimethylolpropane. Its first 6 digits are HS code 2905.41.

Official description of NCM 2905.41.00

PortuguêsOfficial
2-Etil-2-(hidroximetil)propano-1,3-diol (trimetilolpropano)
EnglishUnofficial translation

Alcohols; polyhydric, 2-ethyl-2- (hydroxymethyl) propane-1,3-diol (trimethylolpropane)

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

How to read NCM 2905.41.00

29Chapter 05Heading 41Subheading

HS code 2905.41
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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 2905.4 Other polyhydric alcohols: Outros poliálcoois:
  4. Subheading 2905.41 Alcohols; polyhydric, 2-ethyl-2- (hydroxymethyl) propane-1,3-diol (trimethylolpropane)
  5. Subitem 2905.41.00 Alcohols; polyhydric, 2-ethyl-2- (hydroxymethyl) propane-1,3-diol (trimethylolpropane) 2-Etil-2-(hidroximetil)propano-1,3-diol (trimetilolpropano)

Questions about NCM 2905.41.00

What is NCM 2905.41.00?

NCM 2905.41.00 (29054100) is the Brazilian (Mercosur) code for trimethylolpropane. Its official Portuguese description is “2-Etil-2-(hidroximetil)propano-1,3-diol (trimetilolpropano)”.

What is the HS code for NCM 2905.41.00?

HS 2905.41 (Alcohols; polyhydric, 2-ethyl-2- (hydroxymethyl) propane-1,3-diol (trimethylolpropane)). 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 2905.41.00?

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.