Brazil NCM · 8-digit subitem

NCM 2803.00.11 – Acetylene black

NCM 2803.00.11 (also written 28030011) is Brazil's code for acetylene black. Its first 6 digits are HS code 2803.00.

Official description of NCM 2803.00.11

PortuguêsOfficial
Negro de acetileno
EnglishUnofficial translation

Acetylene black

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

How to read NCM 2803.00.11

28Chapter 03Heading 00Subheading

HS code 2803.00
Same in every country

1Item 1Subitem

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 28.03 Carbon; carbon blacks and other forms of carbon n.e.c. Carbono (negros de fumo e outras formas de carbono não especificadas nem compreendidas noutras posições).
  3. Subheading 2803.00 Carbon; carbon blacks and other forms of carbon n.e.c. Carbono (negros de fumo e outras formas de carbono não especificadas nem compreendidas noutras posições).
  4. Item 2803.00.1 Carbon blacks Negros de fumo
  5. Subitem 2803.00.11 Acetylene black Negro de acetileno

Other NCM codes under HS 2803.00

2803.00.19 Other carbon blacksOutros 2803.00.90 Other carbon, not elsewhere specifiedOutros

Questions about NCM 2803.00.11

What is NCM 2803.00.11?

NCM 2803.00.11 (28030011) is the Brazilian (Mercosur) code for acetylene black. Its official Portuguese description is “Negro de acetileno”.

What is the HS code for NCM 2803.00.11?

HS 2803.00 (Carbon; carbon blacks and other forms of carbon n.e.c.). 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 2803.00.11?

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.