Brazil NCM · 8-digit code

NCM 2819.10.00 – Chromium trioxide

NCM 2819.10.00 (also written 28191000) is Brazil's code for chromium trioxide. Its first 6 digits are HS code 2819.10.

Official description of NCM 2819.10.00

PortuguêsOfficial
Trióxido de cromo
EnglishUnofficial translation

Chromium trioxide

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

How to read NCM 2819.10.00

28Chapter 19Heading 10Subheading

HS code 2819.10
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 28.19 Chromium oxides and hydroxides Óxidos e hidróxidos de cromo.
  3. Subheading 2819.10 Chromium trioxide
  4. Subitem 2819.10.00 Chromium trioxide Trióxido de cromo

Questions about NCM 2819.10.00

What is NCM 2819.10.00?

NCM 2819.10.00 (28191000) is the Brazilian (Mercosur) code for chromium trioxide. Its official Portuguese description is “Trióxido de cromo”.

What is the HS code for NCM 2819.10.00?

HS 2819.10 (Chromium trioxide). 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 2819.10.00?

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.