Brazil NCM · 4-digit heading
NCM 28.09 – Diphosphorus pentaoxide and phosphoric acids
About NCM heading 28.09
Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined
Heading 28.09 of Brazil's NCM has 6 eight-digit codes. Official Portuguese description: Pentóxido de difósforo; ácido fosfórico; ácidos polifosfóricos, de constituição química definida ou não.
The first four digits, 2809, identify this heading within chapter 28. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.
For product coverage and classification context, read the HS heading 28.09 guide.
NCM codes in heading 28.09 6
- 2809.10.00 Diphosphorus pentaoxidePentóxido de difósforo
- 2809.20 Phosphoric acid and polyphosphoric acidsÁcido fosfórico e ácidos polifosfóricos HS code
- 2809.20.1 Phosphoric acid Ácido fosfórico
- 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
- 2809.20.20 Metaphosphoric acidsÁcidos metafosfóricos
- 2809.20.30 Pyrophosphoric acidÁcido pirofosfórico
- 2809.20.90 Other polyphosphoric acidsOutros
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.