Brazil NCM · 8-digit code

NCM 2904.35.00 – Other salts of perfluorooctane sulphonic acid

NCM 2904.35.00 (also written 29043500) is Brazil's code for other salts of perfluorooctane sulphonic acid. Its first 6 digits are HS code 2904.35.

Official description of NCM 2904.35.00

PortuguêsOfficial
Outros sais do ácido perfluoroctano sulfônico
EnglishUnofficial translation

Derivatives of hydrocarbons; salts of perfluorooctane sulphonic acid n.e.c in heading no. 2904, whether or not halogenated

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

How to read NCM 2904.35.00

29Chapter 04Heading 35Subheading

HS code 2904.35
Same in every country

0Item 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. The last two digits are 00 because Brazil does not split this HS code further. 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 2904.3 Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride: Ácido perfluoroctano sulfônico, seus sais e fluoreto de perfluoroctanossulfonila:
  4. Subheading 2904.35 Derivatives of hydrocarbons; salts of perfluorooctane sulphonic acid n.e.c in heading no. 2904, whether or not halogenated
  5. Subitem 2904.35.00 Derivatives of hydrocarbons; salts of perfluorooctane sulphonic acid n.e.c in heading no. 2904, whether or not halogenated Outros sais do ácido perfluoroctano sulfônico

Questions about NCM 2904.35.00

What is NCM 2904.35.00?

NCM 2904.35.00 (29043500) is the Brazilian (Mercosur) code for other salts of perfluorooctane sulphonic acid. Its official Portuguese description is “Outros sais do ácido perfluoroctano sulfônico”.

What is the HS code for NCM 2904.35.00?

HS 2904.35 (Derivatives of hydrocarbons; salts of perfluorooctane sulphonic acid 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 2904.35.00?

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.