Brazil NCM · 8-digit code

NCM 2921.12.00 – 2-(N,N-Dimethylamino)ethyl chloride hydrochloride

NCM 2921.12.00 (also written 29211200) is Brazil's code for 2-(N,N-Dimethylamino)ethyl chloride hydrochloride. Its first 6 digits are HS code 2921.12.

Official description of NCM 2921.12.00

PortuguêsOfficial
Cloridrato de 2-cloroetil(N,N-dimetilamina)
EnglishUnofficial translation

Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride

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

How to read NCM 2921.12.00

29Chapter 21Heading 12Subheading

HS code 2921.12
Same in every country

0Item 0Subitem

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

  1. Chapter 29 Organic chemicals Produtos químicos orgânicos.
  2. Heading 29.21 Amine-function compounds Compostos de função amina.
  3. Group 2921.1 Acyclic monoamines and their derivatives; salts thereof: Monoaminas acíclicas e seus derivados; sais destes produtos:
  4. Subheading 2921.12 Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride
  5. Subitem 2921.12.00 Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride Cloridrato de 2-cloroetil(N,N-dimetilamina)

Questions about NCM 2921.12.00

What is NCM 2921.12.00?

NCM 2921.12.00 (29211200) is the Brazilian (Mercosur) code for 2-(N,N-Dimethylamino)ethyl chloride hydrochloride. Its official Portuguese description is “Cloridrato de 2-cloroetil(N,N-dimetilamina)”.

What is the HS code for NCM 2921.12.00?

HS 2921.12 (Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride). 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 2921.12.00?

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.