Brazil NCM · 8-digit subitem

NCM 2909.60.12 – tert-Butyl hydroperoxide

NCM 2909.60.12 (also written 29096012) is Brazil's code for tert-Butyl hydroperoxide. Its first 6 digits are HS code 2909.60.

Official description of NCM 2909.60.12

PortuguêsOfficial
De ter-butila
EnglishUnofficial translation

Of tert-butyl

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

How to read NCM 2909.60.12

29Chapter 09Heading 60Subheading

HS code 2909.60
Same in every country

1Item 2Subitem

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 29.09 Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (chemically defined or not), and their halogenated, sulphonated, nitrated or nitrosated derivatives Éteres, éteres-álcoois, éteres-fenóis, éteres-álcoois-fenóis, peróxidos de álcoois, peróxidos de éteres, peróxidos de acetais e de hemiacetais, peróxidos de cetonas (de constituição química definida ou não), e seus derivados halogenados, sulfonados, nitrados ou nitrosados.
  3. Subheading 2909.60 Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulphonated, nitrated or nitrosated derivatives Peróxidos de álcoois, peróxidos de éteres, peróxidos de acetais e de hemiacetais, peróxidos de cetonas, e seus derivados halogenados, sulfonados, nitrados ou nitrosados
  4. Item 2909.60.1 Hydroperoxides Hidroperóxidos
  5. Subitem 2909.60.12 Of tert-butyl De ter-butila

Other NCM codes under HS 2909.60

2909.60.11 Diisopropylbenzene hydroperoxideDe di-isopropilbenzeno 2909.60.13 p-Menthane hydroperoxideDe p-mentano 2909.60.19 Other hydroperoxidesOutros 2909.60.90 Other alcohol, ether, acetal and ketone peroxidesOutros

Questions about NCM 2909.60.12

What is NCM 2909.60.12?

NCM 2909.60.12 (29096012) is the Brazilian (Mercosur) code for tert-Butyl hydroperoxide. Its official Portuguese description is “De ter-butila”.

What is the HS code for NCM 2909.60.12?

HS 2909.60 (Alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides and their halogenated, sulphonated, nitrated or nitrosated derivatives). 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 2909.60.12?

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.