Brazil NCM · 8-digit subitem

NCM 2911.00.90 – Other acetals and hemiacetals

NCM 2911.00.90 (also written 29110090) is Brazil's code for other acetals and hemiacetals. Its first 6 digits are HS code 2911.00.

Official description of NCM 2911.00.90

PortuguêsOfficial
Outros
EnglishUnofficial translation

Other

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

How to read NCM 2911.00.90

29Chapter 11Heading 00Subheading

HS code 2911.00
Same in every country

9Item 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 29.11 Acetals and hemiacetals; whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrostated derivatives Acetais e hemiacetais, mesmo que contenham outras funções oxigenadas, e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Subheading 2911.00 Acetals and hemiacetals; whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives Acetais e hemiacetais, mesmo que contenham outras funções oxigenadas, e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  4. Subitem 2911.00.90 Other Outros

Other NCM codes under HS 2911.00

2911.00.10 2-Nitrobenzaldehyde dimethyl acetalDimetilacetal do 2-nitrobenzaldeído

Questions about NCM 2911.00.90

What is NCM 2911.00.90?

NCM 2911.00.90 (29110090) is the Brazilian (Mercosur) code for other acetals and hemiacetals. Its official Portuguese description is “Outros”.

What is the HS code for NCM 2911.00.90?

HS 2911.00 (Acetals and hemiacetals; whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives). 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 2911.00.90?

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.