Brazil NCM · 8-digit subitem

NCM 2843.90.90 – Other precious metal compounds; amalgams

NCM 2843.90.90 (also written 28439090) is Brazil's code for other precious metal compounds; amalgams. Its first 6 digits are HS code 2843.90.

Official description of NCM 2843.90.90

PortuguêsOfficial
Outros
EnglishUnofficial translation

Other

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

How to read NCM 2843.90.90

28Chapter 43Heading 90Subheading

HS code 2843.90
Same in every country

9Item 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 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 28.43 Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals Metais preciosos no estado coloidal; compostos inorgânicos ou orgânicos de metais preciosos, de constituição química definida ou não; amálgamas de metais preciosos.
  3. Subheading 2843.90 Inorganic or organic compounds of precious metals, n.e.c.; amalgams Outros compostos; amálgamas
  4. Subitem 2843.90.90 Other Outros

Other NCM codes under HS 2843.90

2843.90.11 Lobaplatin and other listed platins, medicamentsApresentados como medicamentos 2843.90.19 Lobaplatin and other listed platins, other formsOutros 2843.90.20 Ruthenium trichloride solution, 17–27%Tricloreto de rutênio em solução aquosa com uma concentração igual ou superior a 17 %, mas inferior ou igual a 27 %, em peso 2843.90.30 Hexachloroiridic acid solution, 17–27%Ácido hexacloroirídico em solução aquosa com uma concentração igual ou superior a 17 %, mas inferior ou igual a 27 %, em peso 2843.90.40 Ruthenium trichloride powderTricloreto de rutênio, em pó

Questions about NCM 2843.90.90

What is NCM 2843.90.90?

NCM 2843.90.90 (28439090) is the Brazilian (Mercosur) code for other precious metal compounds; amalgams. Its official Portuguese description is “Outros”.

What is the HS code for NCM 2843.90.90?

HS 2843.90 (Inorganic or organic compounds of precious metals, n.e.c.; amalgams). 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 2843.90.90?

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.