Brazil NCM · 8-digit subitem

NCM 2910.90.90 – Other three-membered ring epoxides

NCM 2910.90.90 (also written 29109090) is Brazil's code for other three-membered ring epoxides. Its first 6 digits are HS code 2910.90.

Official description of NCM 2910.90.90

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 2910.90.90

29Chapter 10Heading 90Subheading

HS code 2910.90
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 29.10 Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives Epóxidos, epoxiálcoois, epoxifenóis e epoxiéteres, com três átomos no ciclo, e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Subheading 2910.90 Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2910 Outros
  4. Subitem 2910.90.90 Other Outros

Other NCM codes under HS 2910.90

2910.90.10 Styrene oxideÓxido de estireno

Questions about NCM 2910.90.90

What is NCM 2910.90.90?

NCM 2910.90.90 (29109090) is the Brazilian (Mercosur) code for other three-membered ring epoxides. Its official Portuguese description is “Outros”.

What is the HS code for NCM 2910.90.90?

HS 2910.90 (Epoxides, epoxyalcohols, epoxyphenols and epoxyethers; with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2910). 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 2910.90.90?

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.