Brazil NCM · 8-digit subitem

NCM 2914.19.23 – Diacetyl

NCM 2914.19.23 (also written 29141923) is Brazil's code for diacetyl. Its first 6 digits are HS code 2914.19.

Official description of NCM 2914.19.23

PortuguêsOfficial
Diacetila
EnglishUnofficial translation

Diacetyl

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

How to read NCM 2914.19.23

29Chapter 14Heading 19Subheading

HS code 2914.19
Same in every country

2Item 3Subitem

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 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.14 Ketones and quinones; whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrostated derivatives Cetonas e quinonas, mesmo que contenham outras funções oxigenadas, e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Group 2914.1 Acyclic ketones without other oxygen function: Cetonas acíclicas que não contenham outras funções oxigenadas:
  4. Subheading 2914.19 Ketones; acyclic, without other oxygen function, n.e.c. in item no. 2914.1 Outras
  5. Item 2914.19.2 Diketones Dicetonas
  6. Subitem 2914.19.23 Diacetyl Diacetila

Other NCM codes under HS 2914.19

2914.19.10 PhoroneForona 2914.19.21 AcetylacetoneAcetilacetona 2914.19.22 AcetonylacetoneAcetonilacetona 2914.19.29 Other acyclic diketonesOutras 2914.19.30 Methyl hexyl ketoneMetilexilcetona 2914.19.40 PseudoiononesPseudoiononas 2914.19.50 Methyl isopropyl ketoneMetilisopropilcetona 2914.19.90 Other acyclic ketonesOutras

Questions about NCM 2914.19.23

What is NCM 2914.19.23?

NCM 2914.19.23 (29141923) is the Brazilian (Mercosur) code for diacetyl. Its official Portuguese description is “Diacetila”.

What is the HS code for NCM 2914.19.23?

HS 2914.19 (Ketones; acyclic, without other oxygen function, n.e.c. in item no. 2914.1). 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 2914.19.23?

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.