Brazil NCM · 8-digit code

NCM 2842.90.00 – Other salts of inorganic acids or peroxoacids

NCM 2842.90.00 (also written 28429000) is Brazil's code for other salts of inorganic acids or peroxoacids. Its first 6 digits are HS code 2842.90.

Official description of NCM 2842.90.00

PortuguêsOfficial
Outros
EnglishUnofficial translation

Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides

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

How to read NCM 2842.90.00

28Chapter 42Heading 90Subheading

HS code 2842.90
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 28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes Produtos químicos inorgânicos; compostos inorgânicos ou orgânicos de metais preciosos, de elementos radioativos, de metais das terras raras ou de isótopos.
  2. Heading 28.42 Salts of inorganic acids or peroxoacids, n.e.c. including aluminosilicates whether or not chemically defined, but excluding azides Outros sais dos ácidos ou peroxoácidos inorgânicos (incluindo os aluminossilicatos de constituição química definida ou não), exceto as azidas.
  3. Subheading 2842.90 Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides
  4. Subitem 2842.90.00 Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides Outros

Questions about NCM 2842.90.00

What is NCM 2842.90.00?

NCM 2842.90.00 (28429000) is the Brazilian (Mercosur) code for other salts of inorganic acids or peroxoacids. Its official Portuguese description is “Outros”.

What is the HS code for NCM 2842.90.00?

HS 2842.90 (Salts; of inorganic acids or peroxoacids, other than double or complex silicates, including aluminosilicates, whether or not chemically, excluding azides). 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 2842.90.00?

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.