Brazil NCM · 8-digit subitem

NCM 2822.00.10 – Tricobalt tetraoxide

NCM 2822.00.10 (also written 28220010) is Brazil's code for tricobalt tetraoxide. Its first 6 digits are HS code 2822.00.

Official description of NCM 2822.00.10

PortuguêsOfficial
Tetraóxido de tricobalto (óxido salino de cobalto)
EnglishUnofficial translation

Tricobalt tetraoxide (saline cobalt oxide)

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

How to read NCM 2822.00.10

28Chapter 22Heading 00Subheading

HS code 2822.00
Same in every country

1Item 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 28.22 Cobalt oxides and hydroxides; commercial cobalt oxides Óxidos e hidróxidos de cobalto; óxidos de cobalto comerciais.
  3. Subheading 2822.00 Cobalt oxides and hydroxides; commercial cobalt oxides Óxidos e hidróxidos de cobalto; óxidos de cobalto comerciais.
  4. Subitem 2822.00.10 Tricobalt tetraoxide (saline cobalt oxide) Tetraóxido de tricobalto (óxido salino de cobalto)

Other NCM codes under HS 2822.00

2822.00.90 Other cobalt oxides and hydroxidesOutros

Questions about NCM 2822.00.10

What is NCM 2822.00.10?

NCM 2822.00.10 (28220010) is the Brazilian (Mercosur) code for tricobalt tetraoxide. Its official Portuguese description is “Tetraóxido de tricobalto (óxido salino de cobalto)”.

What is the HS code for NCM 2822.00.10?

HS 2822.00 (Cobalt oxides and hydroxides; commercial cobalt oxides). 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 2822.00.10?

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.