Brazil NCM · 8-digit subitem

NCM 2915.90.21 – 2-Ethylhexanoic acid

NCM 2915.90.21 (also written 29159021) is Brazil's code for 2-Ethylhexanoic acid. Its first 6 digits are HS code 2915.90.

Official description of NCM 2915.90.21

PortuguêsOfficial
Ácido 2-etilexanoico (ácido 2-etilexoico)
EnglishUnofficial translation

2-Ethylhexanoic acid (2-ethylhexoic acid)

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

How to read NCM 2915.90.21

29Chapter 15Heading 90Subheading

HS code 2915.90
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 29.15 Acids; saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives Ácidos monocarboxílicos acíclicos saturados e seus anidridos, halogenetos, peróxidos e peroxiácidos; seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Subheading 2915.90 Acids; saturated acyclic monocarboxylic acids; anhydrides, halides, peroxides, peroxyacids and halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2915 Outros
  4. Item 2915.90.2 2-Ethylhexanoic acid, its salts and esters Ácido 2-etilexanoico, seus sais e seus ésteres
  5. Subitem 2915.90.21 2-Ethylhexanoic acid (2-ethylhexoic acid) Ácido 2-etilexanoico (ácido 2-etilexoico)

Other NCM codes under HS 2915.90

2915.90.10 Chloroacetyl chlorideCloreto de cloroacetila 2915.90.22 Tin(II) 2-ethylhexanoate2-Etilexanoato de estanho II 2915.90.23 Triethylene glycol di(2-ethylhexanoate)Di(2-etilexanoato) de trietilenoglicol 2915.90.24 2-Ethylhexanoyl chlorideCloreto de 2-etilexanoíla 2915.90.29 Other 2-ethylhexanoic acid salts and estersOutros 2915.90.31 Myristic acidÁcido mirístico 2915.90.32 Caprylic acidÁcido caprílico 2915.90.33 Isopropyl myristateMiristato de isopropila 2915.90.39 Other myristic or caprylic acid salts and estersOutros 2915.90.41 Lauric acidÁcido láurico 2915.90.43 Pentachlorobiphenyl laurateLaurato de pentaclorobifenila 2915.90.49 Other lauric acid salts and estersOutros 2915.90.50 Saturated acyclic monocarboxylic acid peroxidesPeróxidos de ácidos 2915.90.60 Saturated acyclic monocarboxylic peroxyacidsPeroxiácidos 2915.90.70 Perfluorooctanoic acids and their saltsÁcidos perfluoroctanoicos e seus sais 2915.90.90 Other saturated acyclic monocarboxylic acidsOutros

Questions about NCM 2915.90.21

What is NCM 2915.90.21?

NCM 2915.90.21 (29159021) is the Brazilian (Mercosur) code for 2-Ethylhexanoic acid. Its official Portuguese description is “Ácido 2-etilexanoico (ácido 2-etilexoico)”.

What is the HS code for NCM 2915.90.21?

HS 2915.90 (Acids; saturated acyclic monocarboxylic acids; anhydrides, halides, peroxides, peroxyacids and halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2915). 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 2915.90.21?

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.