Brazil NCM · 8-digit subitem

NCM 2809.20.20 – Metaphosphoric acids

NCM 2809.20.20 (also written 28092020) is Brazil's code for metaphosphoric acids. Its first 6 digits are HS code 2809.20.

Official description of NCM 2809.20.20

PortuguêsOfficial
Ácidos metafosfóricos
EnglishUnofficial translation

Metaphosphoric acids

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

How to read NCM 2809.20.20

28Chapter 09Heading 20Subheading

HS code 2809.20
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 28.09 Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined Pentóxido de difósforo; ácido fosfórico; ácidos polifosfóricos, de constituição química definida ou não.
  3. Subheading 2809.20 Phosphoric acid and polyphosphoric acids Ácido fosfórico e ácidos polifosfóricos
  4. Subitem 2809.20.20 Metaphosphoric acids Ácidos metafosfóricos

Other NCM codes under HS 2809.20

2809.20.11 Phosphoric acid with less than 750 ppm ironCom um teor de ferro inferior a 750 ppm 2809.20.19 Other phosphoric acidOutros 2809.20.30 Pyrophosphoric acidÁcido pirofosfórico 2809.20.90 Other polyphosphoric acidsOutros

Questions about NCM 2809.20.20

What is NCM 2809.20.20?

NCM 2809.20.20 (28092020) is the Brazilian (Mercosur) code for metaphosphoric acids. Its official Portuguese description is “Ácidos metafosfóricos”.

What is the HS code for NCM 2809.20.20?

HS 2809.20 (Phosphoric acid and polyphosphoric acids). 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 2809.20.20?

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.