Brazil NCM · 8-digit subitem

NCM 2917.13.21 – Sebacic acid

NCM 2917.13.21 (also written 29171321) is Brazil's code for sebacic acid. Its first 6 digits are HS code 2917.13.

Official description of NCM 2917.13.21

PortuguêsOfficial
Ácido sebácico
EnglishUnofficial translation

Sebacic acid

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

How to read NCM 2917.13.21

29Chapter 17Heading 13Subheading

HS code 2917.13
Same in every country

2Item 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 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.17 Acids; polycarboxylic acids, their anhydrides, halides, peroxides and peroxy-acids; their halogenated, sulphonated, nitrated or nitrosated derivatives Ácidos policarboxílicos, seus anidridos, halogenetos, peróxidos e peroxiácidos; seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Group 2917.1 Acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives: Ácidos policarboxílicos acíclicos, seus anidridos, halogenetos, peróxidos, peroxiácidos e seus derivados:
  4. Subheading 2917.13 Acids; acyclic polycarboxylic acids; azelaic acid, sebacic acid, their salts and esters Ácido azelaico, ácido sebácico, seus sais e seus ésteres
  5. Item 2917.13.2 Sebacic acid, its salts and esters Ácido sebácico, seus sais e seus ésteres
  6. Subitem 2917.13.21 Sebacic acid Ácido sebácico

Other NCM codes under HS 2917.13

2917.13.10 Azelaic acid, its salts and estersÁcido azelaico, seus sais e seus ésteres 2917.13.22 Dibutyl sebacateSebacato de dibutila 2917.13.23 Dioctyl sebacateSebacato de dioctila 2917.13.29 Other sebacic acid salts and estersOutros

Questions about NCM 2917.13.21

What is NCM 2917.13.21?

NCM 2917.13.21 (29171321) is the Brazilian (Mercosur) code for sebacic acid. Its official Portuguese description is “Ácido sebácico”.

What is the HS code for NCM 2917.13.21?

HS 2917.13 (Acids; acyclic polycarboxylic acids; azelaic acid, sebacic acid, their salts and esters). 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 2917.13.21?

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.