Brazil NCM · 8-digit subitem

NCM 2904.99.40 – o-Toluenesulphonyl chloride

NCM 2904.99.40 (also written 29049940) is Brazil's code for o-Toluenesulphonyl chloride. Its first 6 digits are HS code 2904.99.

Official description of NCM 2904.99.40

PortuguêsOfficial
Cloreto de o-toluenossulfonila
EnglishUnofficial translation

o-Toluenesulphonyl chloride

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

How to read NCM 2904.99.40

29Chapter 04Heading 99Subheading

HS code 2904.99
Same in every country

4Item 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 2904.99.40 o-Toluenesulphonyl chloride Cloreto de o-toluenossulfonila

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) 2904.99.90 Other sulpho, nitro or nitroso derivativesOutros

Questions about NCM 2904.99.40

What is NCM 2904.99.40?

NCM 2904.99.40 (29049940) is the Brazilian (Mercosur) code for o-Toluenesulphonyl chloride. Its official Portuguese description is “Cloreto de o-toluenossulfonila”.

What is the HS code for NCM 2904.99.40?

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 2904.99.40?

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.