Brazil NCM · 8-digit code
NCM 2921.45.00 – Naphthylamines, their derivatives and salts
NCM 2921.45.00 (also written 29214500) is Brazil's code for naphthylamines, their derivatives and salts. Its first 6 digits are HS code 2921.45.
Official description of NCM 2921.45.00
- PortuguêsOfficial
1-Naftilamina (alfa-naftilamina), 2-naftilamina (beta-naftilamina), e seus derivados; sais destes produtos
- EnglishUnofficial translation
Amine-function compounds; aromatic monoamines and their derivatives; 1-naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthaylamine) and their derivatives; salts thereof
Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).
How to read NCM 2921.45.00
HS code 2921.45
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. The last two digits are 00 because Brazil does not split this HS code further. 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 29.21 Amine-function compounds Compostos de função amina.
- Group 2921.4 Aromatic monoamines and their derivatives; salts thereof: Monoaminas aromáticas e seus derivados; sais destes produtos:
- Subheading 2921.45 Amine-function compounds; aromatic monoamines and their derivatives; 1-naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthaylamine) and their derivatives; salts thereof
- Subitem 2921.45.00 Amine-function compounds; aromatic monoamines and their derivatives; 1-naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthaylamine) and their derivatives; salts thereof 1-Naftilamina (alfa-naftilamina), 2-naftilamina (beta-naftilamina), e seus derivados; sais destes produtos
Questions about NCM 2921.45.00
What is NCM 2921.45.00?
NCM 2921.45.00 (29214500) is the Brazilian (Mercosur) code for naphthylamines, their derivatives and salts. Its official Portuguese description is “1-Naftilamina (alfa-naftilamina), 2-naftilamina (beta-naftilamina), e seus derivados; sais destes produtos”.
What is the HS code for NCM 2921.45.00?
HS 2921.45 (Amine-function compounds; aromatic monoamines and their derivatives; 1-naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta-naphthaylamine) and their derivatives; salts thereof). 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 2921.45.00?
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.