Brazil NCM · 8-digit subitem

NCM 2825.10.20 – Hydroxylamine and its inorganic salts

NCM 2825.10.20 (also written 28251020) is Brazil's code for hydroxylamine and its inorganic salts. Its first 6 digits are HS code 2825.10.

Official description of NCM 2825.10.20

PortuguêsOfficial
Hidroxilamina e seus sais inorgânicos
EnglishUnofficial translation

Hydroxylamine and its inorganic salts

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

How to read NCM 2825.10.20

28Chapter 25Heading 10Subheading

HS code 2825.10
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 28.25 Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides Hidrazina e hidroxilamina, e seus sais inorgânicos; outras bases inorgânicas; outros óxidos, hidróxidos e peróxidos, de metais.
  3. Subheading 2825.10 Hydrazine and hydroxylamine and their inorganic salts Hidrazina e hidroxilamina, e seus sais inorgânicos
  4. Subitem 2825.10.20 Hydroxylamine and its inorganic salts Hidroxilamina e seus sais inorgânicos

Other NCM codes under HS 2825.10

2825.10.10 Hydrazine and its inorganic saltsHidrazina e seus sais inorgânicos

Questions about NCM 2825.10.20

What is NCM 2825.10.20?

NCM 2825.10.20 (28251020) is the Brazilian (Mercosur) code for hydroxylamine and its inorganic salts. Its official Portuguese description is “Hidroxilamina e seus sais inorgânicos”.

What is the HS code for NCM 2825.10.20?

HS 2825.10 (Hydrazine and hydroxylamine and their inorganic salts). 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 2825.10.20?

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.