Brazil NCM · 8-digit subitem

NCM 2904.99.90 – Other sulpho, nitro or nitroso derivatives

NCM 2904.99.90 (also written 29049990) is Brazil's code for other sulpho, nitro or nitroso derivatives. Its first 6 digits are HS code 2904.99.

Official description of NCM 2904.99.90

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 2904.99.90

29Chapter 04Heading 99Subheading

HS code 2904.99
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 29.04 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons; whether or not halogenated Derivados sulfonados, nitrados ou nitrosados dos hidrocarbonetos, mesmo halogenados.
  3. Group 2904.9 Other: Outros:
  4. Subheading 2904.99 Derivatives of hydrocarbons n.e.c. in heading no. 2904, whether or not halogenated Outros
  5. Subitem 2904.99.90 Other Outros

Other NCM codes under HS 2904.99

2904.99.11 1-Chloro-4-nitrobenzene1-Cloro-4-nitrobenzeno 2904.99.12 1-Chloro-2,4-dinitrobenzene1-Cloro-2,4-dinitrobenzeno 2904.99.13 2-Chloro-1,3-dinitrobenzene2-Cloro-1,3-dinitrobenzeno 2904.99.14 4-Chloro-3,5-dinitrobenzotrifluoride4-Cloro-alfa,alfa,alfa-trifluor-3,5-dinitrotolueno 2904.99.15 o- and m-Nitrochlorobenzeneo-Nitroclorobenzeno; m-nitroclorobenzeno 2904.99.16 1,2-Dichloro-4-nitrobenzene1,2-Dicloro-4-nitrobenzeno 2904.99.19 Other nitrohalogenated derivativesOutros 2904.99.21 Dinitrostilbenedisulphonic acidsÁcidos dinitroestilbenodissulfônicos 2904.99.29 Other nitrosulphonated derivativesOutros 2904.99.30 p-Toluenesulphonyl chloride (tosyl chloride)Cloreto de p-toluenossulfonila (cloreto de tosila) 2904.99.40 o-Toluenesulphonyl chlorideCloreto de o-toluenossulfonila

Questions about NCM 2904.99.90

What is NCM 2904.99.90?

NCM 2904.99.90 (29049990) is the Brazilian (Mercosur) code for other sulpho, nitro or nitroso derivatives. Its official Portuguese description is “Outros”.

What is the HS code for NCM 2904.99.90?

HS 2904.99 (Derivatives of hydrocarbons n.e.c. in heading no. 2904, whether or not halogenated). 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 2904.99.90?

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.