Brazil NCM · 8-digit subitem

NCM 2921.43.23 – 4-Chloro-2-toluidine

NCM 2921.43.23 (also written 29214323) is Brazil's code for 4-Chloro-2-toluidine. Its first 6 digits are HS code 2921.43.

Official description of NCM 2921.43.23

PortuguêsOfficial
4-Cloro-2-toluidina
EnglishUnofficial translation

4-Chloro-2-toluidine

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

How to read NCM 2921.43.23

29Chapter 21Heading 43Subheading

HS code 2921.43
Same in every country

2Item 3Subitem

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 29.21 Amine-function compounds Compostos de função amina.
  3. Group 2921.4 Aromatic monoamines and their derivatives; salts thereof: Monoaminas aromáticas e seus derivados; sais destes produtos:
  4. Subheading 2921.43 Amine-function compounds; aromatic monoamines and their derivatives, toluidines and their derivatives; salts thereof Toluidinas e seus derivados; sais destes produtos
  5. Item 2921.43.2 Toluidine derivatives; salts thereof Derivados das toluidinas; sais destes produtos
  6. Subitem 2921.43.23 4-Chloro-2-toluidine 4-Cloro-2-toluidina

Other NCM codes under HS 2921.43

2921.43.11 o-Toluidineo-Toluidina 2921.43.19 Other toluidines and their saltsOutros 2921.43.21 3-Nitro-4-toluidine and its salts3-Nitro-4-toluidina e seus sais 2921.43.22 TrifluralinTrifluralina 2921.43.29 Other toluidine derivatives and their saltsOutros

Questions about NCM 2921.43.23

What is NCM 2921.43.23?

NCM 2921.43.23 (29214323) is the Brazilian (Mercosur) code for 4-Chloro-2-toluidine. Its official Portuguese description is “4-Cloro-2-toluidina”.

What is the HS code for NCM 2921.43.23?

HS 2921.43 (Amine-function compounds; aromatic monoamines and their derivatives, toluidines 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 2921.43.23?

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.