Brazil NCM · 8-digit subitem

NCM 2519.90.10 – Fused (electrofused) magnesia

NCM 2519.90.10 (also written 25199010) is Brazil's code for fused (electrofused) magnesia. Its first 6 digits are HS code 2519.90.

Official description of NCM 2519.90.10

PortuguêsOfficial
Magnésia eletrofundida
EnglishUnofficial translation

Fused magnesia

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

How to read NCM 2519.90.10

25Chapter 19Heading 90Subheading

HS code 2519.90
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 25 Salt; sulphur; earths, stone; plastering materials, lime and cement Sal; enxofre; terras e pedras; gesso, cal e cimento.
  2. Heading 25.19 Natural magnesium carbonate (magnesite); fused magnesia; dead-burned (sintered) magnesia, whether or not containing small quantities of other oxides added before sintering; magnesium oxide, pure or not Carbonato de magnésio natural (magnesita); magnésia eletrofundida; magnésia calcinada a fundo (sinterizada), mesmo que contenha pequenas quantidades de outros óxidos adicionados antes da sinterização; outro óxido de magnésio, mesmo puro.
  3. Subheading 2519.90 Magnesia, fused or dead-burned (sintered); whether or not containing small quantities of other oxides added before sintering, other magnesium oxide, whether or not pure, (not natural magnesium carbonate) Outros
  4. Subitem 2519.90.10 Fused magnesia Magnésia eletrofundida

Other NCM codes under HS 2519.90

2519.90.90 Dead-burned magnesia and other magnesium oxideOutros

Questions about NCM 2519.90.10

What is NCM 2519.90.10?

NCM 2519.90.10 (25199010) is the Brazilian (Mercosur) code for fused (electrofused) magnesia. Its official Portuguese description is “Magnésia eletrofundida”.

What is the HS code for NCM 2519.90.10?

HS 2519.90 (Magnesia, fused or dead-burned (sintered); whether or not containing small quantities of other oxides added before sintering, other magnesium oxide, whether or not pure, (not natural magnesium carbonate)). 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 2519.90.10?

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.