Brazil NCM · 8-digit subitem

NCM 3402.39.30 – Sodium secondary alkylsulphonate

NCM 3402.39.30 (also written 34023930) is Brazil's code for sodium secondary alkylsulphonate. Its first 6 digits are HS code 3402.39.

Official description of NCM 3402.39.30

PortuguêsOfficial
Alquilsulfonato de sódio, secundário
EnglishUnofficial translation

Sodium alkylsulphonate, secondary

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

How to read NCM 3402.39.30

34Chapter 02Heading 39Subheading

HS code 3402.39
Same in every country

3Item 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 34 Soap, organic surface-active agents; washing, lubricating, polishing or scouring preparations; artificial or prepared waxes, candles and similar articles, modelling pastes, dental waxes and dental preparations with a basis of plaster Sabões, agentes orgânicos de superfície, preparações para lavagem, preparações lubrificantes, ceras artificiais, ceras preparadas, produtos de conservação e limpeza, velas e artigos semelhantes, massas ou pastas para modelar, "ceras para odontologia" e composições para odontologia à base de gesso.
  2. Heading 34.02 Organic surface-active agents (not soap); surface-active, washing (including auxiliary washing) and cleaning preparations, containing soap or not, excluding those of heading no. 3401 Agentes orgânicos de superfície (exceto sabões); preparações tensoativas, preparações para lavagem (incluindo as preparações auxiliares para lavagem) e preparações para limpeza, mesmo que contenham sabão, exceto as da posição 34.01.
  3. Group 3402.3 Anionic organic surface-active agents, whether or not put up for retail sale: Agentes orgânicos de superfície aniônicos, mesmo acondicionados para venda a retalho:
  4. Subheading 3402.39 Anionic organic surface-active agents (other than soap); other than linear alkylbenzene sulphonic acids and their salts, whether or not put up for retail sale Outros
  5. Subitem 3402.39.30 Sodium alkylsulphonate, secondary Alquilsulfonato de sódio, secundário

Other NCM codes under HS 3402.39

3402.39.10 Sodium dibutylnaphthalene sulphateDibutilnaftalenossulfato de sódio 3402.39.20 Sodium N-methyl-N-oleyltaurateN-Metil-N-oleiltaurato de sódio 3402.39.90 Other anionic surface-active agentsOutros

Questions about NCM 3402.39.30

What is NCM 3402.39.30?

NCM 3402.39.30 (34023930) is the Brazilian (Mercosur) code for sodium secondary alkylsulphonate. Its official Portuguese description is “Alquilsulfonato de sódio, secundário”.

What is the HS code for NCM 3402.39.30?

HS 3402.39 (Anionic organic surface-active agents (other than soap); other than linear alkylbenzene sulphonic acids and their salts, whether or not put up for retail sale). 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 3402.39.30?

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.