Brazil NCM · 8-digit subitem

NCM 2806.10.20 – Hydrochloric acid in aqueous solution

NCM 2806.10.20 (also written 28061020) is Brazil's code for hydrochloric acid in aqueous solution. Its first 6 digits are HS code 2806.10.

Official description of NCM 2806.10.20

PortuguêsOfficial
Em solução aquosa
EnglishUnofficial translation

In aqueous solution

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

How to read NCM 2806.10.20

28Chapter 06Heading 10Subheading

HS code 2806.10
Same in every country

2Item 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 28.06 Hydrogen chloride (hydrochloric acid); chlorosulphuric acid Cloreto de hidrogênio (ácido clorídrico); ácido clorossulfúrico.
  3. Subheading 2806.10 Hydrogen chloride (hydrochloric acid) Cloreto de hidrogênio (ácido clorídrico)
  4. Subitem 2806.10.20 In aqueous solution Em solução aquosa

Other NCM codes under HS 2806.10

2806.10.10 Hydrogen chloride, gaseous or liquefiedEm estado gasoso ou liquefeito

Questions about NCM 2806.10.20

What is NCM 2806.10.20?

NCM 2806.10.20 (28061020) is the Brazilian (Mercosur) code for hydrochloric acid in aqueous solution. Its official Portuguese description is “Em solução aquosa”.

What is the HS code for NCM 2806.10.20?

HS 2806.10 (Hydrogen chloride (hydrochloric acid)). 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 2806.10.20?

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.