Brazil NCM · 8-digit code

NCM 2843.10.00 – Colloidal precious metals

NCM 2843.10.00 (also written 28431000) is Brazil's code for colloidal precious metals. Its first 6 digits are HS code 2843.10.

Official description of NCM 2843.10.00

PortuguêsOfficial
Metais preciosos no estado coloidal
EnglishUnofficial translation

Colloidal precious metals; whether or not chemically defined

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

How to read NCM 2843.10.00

28Chapter 43Heading 10Subheading

HS code 2843.10
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 28.43 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 2843.10 Colloidal precious metals; whether or not chemically defined
  4. Subitem 2843.10.00 Colloidal precious metals; whether or not chemically defined Metais preciosos no estado coloidal

Questions about NCM 2843.10.00

What is NCM 2843.10.00?

NCM 2843.10.00 (28431000) is the Brazilian (Mercosur) code for colloidal precious metals. Its official Portuguese description is “Metais preciosos no estado coloidal”.

What is the HS code for NCM 2843.10.00?

HS 2843.10 (Colloidal precious metals; whether or not chemically defined). 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 2843.10.00?

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.