Brazil NCM · 8-digit subitem

NCM 2905.19.92 – Isononanol

NCM 2905.19.92 (also written 29051992) is Brazil's code for isononanol. Its first 6 digits are HS code 2905.19.

Official description of NCM 2905.19.92

PortuguêsOfficial
Isononanol
EnglishUnofficial translation

Isononanol

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

How to read NCM 2905.19.92

29Chapter 05Heading 19Subheading

HS code 2905.19
Same in every country

9Item 2Subitem

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 2905.19 Alcohols; saturated monohydric, n.e.c. in item no. 2905.1 Outros
  5. Item 2905.19.9 Other Outros
  6. Subitem 2905.19.92 Isononanol Isononanol

Other NCM codes under HS 2905.19

2905.19.11 n-Decanoln-Decanol 2905.19.12 IsodecanolIsodecanol 2905.19.19 Other decanolsOutros 2905.19.21 Magnesium ethoxideEtilato de magnésio 2905.19.22 Sodium methoxideMetilato de sódio 2905.19.23 Sodium ethoxideEtilato de sódio 2905.19.29 Other metal alcoholatesOutros 2905.19.91 4-Methylpentan-2-ol4-Metilpentan-2-ol 2905.19.93 IsotridecanolIsotridecanol 2905.19.94 Tetrahydrolinalool (3,7-dimethyloctan-3-ol)Tetra-hidrolinalol (3,7-dimetiloctan-3-ol) 2905.19.95 3,3-Dimethylbutan-2-ol (pinacolyl alcohol)3,3-Dimetilbutan-2-ol (álcool pinacolílico) 2905.19.96 Pentanol (amyl alcohol) and its isomersPentanol (álcool amílico) e seus isômeros 2905.19.99 Other saturated monohydric alcoholsOutros

Questions about NCM 2905.19.92

What is NCM 2905.19.92?

NCM 2905.19.92 (29051992) is the Brazilian (Mercosur) code for isononanol. Its official Portuguese description is “Isononanol”.

What is the HS code for NCM 2905.19.92?

HS 2905.19 (Alcohols; saturated monohydric, n.e.c. in item no. 2905.1). 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 2905.19.92?

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.