Brazil NCM · 8-digit code

NCM 2804.61.00 – Silicon containing at least 99.99% silicon

NCM 2804.61.00 (also written 28046100) is Brazil's code for silicon containing at least 99.99% silicon. Its first 6 digits are HS code 2804.61.

Official description of NCM 2804.61.00

PortuguêsOfficial
Que contenha, em peso, pelo menos 99,99 % de silício
EnglishUnofficial translation

Silicon; containing by weight not less than 99.99% of silicon

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

How to read NCM 2804.61.00

28Chapter 04Heading 61Subheading

HS code 2804.61
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 28.04 Hydrogen, rare gases and other non-metals Hidrogênio, gases raros e outros elementos não metálicos.
  3. Group 2804.6 Silicon: Silício:
  4. Subheading 2804.61 Silicon; containing by weight not less than 99.99% of silicon
  5. Subitem 2804.61.00 Silicon; containing by weight not less than 99.99% of silicon Que contenha, em peso, pelo menos 99,99 % de silício

Questions about NCM 2804.61.00

What is NCM 2804.61.00?

NCM 2804.61.00 (28046100) is the Brazilian (Mercosur) code for silicon containing at least 99.99% silicon. Its official Portuguese description is “Que contenha, em peso, pelo menos 99,99 % de silício”.

What is the HS code for NCM 2804.61.00?

HS 2804.61 (Silicon; containing by weight not less than 99.99% of silicon). 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 2804.61.00?

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.