Brazil NCM · 8-digit subitem
NCM 2903.91.20 – o-Dichlorobenzene
NCM 2903.91.20 (also written 29039120) is Brazil's code for o-Dichlorobenzene. Its first 6 digits are HS code 2903.91.
Official description of NCM 2903.91.20
- PortuguêsOfficial
o-Diclorobenzeno
- EnglishUnofficial translation
o-Dichlorobenzene
Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).
How to read NCM 2903.91.20
HS code 2903.91
Same in every country
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
- Chapter 29 Organic chemicals Produtos químicos orgânicos.
- Heading 29.03 Halogenated derivatives of hydrocarbons Derivados halogenados dos hidrocarbonetos.
- Group 2903.9 Halogenated derivatives of aromatic hydrocarbons: Derivados halogenados dos hidrocarbonetos aromáticos:
- Subheading 2903.91 Halogenated derivatives of aromatic hydrocarbons; chlorobenzene, o-dichlorobenzene, and p-dichlorobenzene Clorobenzeno, o-diclorobenzeno e p-diclorobenzeno
- Subitem 2903.91.20 o-Dichlorobenzene o-Diclorobenzeno
Other NCM codes under HS 2903.91
Questions about NCM 2903.91.20
What is NCM 2903.91.20?
NCM 2903.91.20 (29039120) is the Brazilian (Mercosur) code for o-Dichlorobenzene. Its official Portuguese description is “o-Diclorobenzeno”.
What is the HS code for NCM 2903.91.20?
HS 2903.91 (Halogenated derivatives of aromatic hydrocarbons; chlorobenzene, o-dichlorobenzene, and p-dichlorobenzene). 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 2903.91.20?
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.