Brazil NCM · 8-digit subitem

NCM 2925.29.22 – N,N'-Diphenylguanidine

NCM 2925.29.22 (also written 29252922) is Brazil's code for n,N'-Diphenylguanidine. Its first 6 digits are HS code 2925.29.

Official description of NCM 2925.29.22

PortuguêsOfficial
N,N'-Difenilguanidina
EnglishUnofficial translation

N,N'-Diphenylguanidine

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

How to read NCM 2925.29.22

29Chapter 25Heading 29Subheading

HS code 2925.29
Same in every country

2Item 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 29.25 Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds Compostos de função carboxiimida (incluindo a sacarina e seus sais) ou de função imina.
  3. Group 2925.2 Imines and their derivatives; salts thereof: Iminas e seus derivados; sais destes produtos:
  4. Subheading 2925.29 Imines and their derivatives; salts thereof; other than chlordimeform (ISO) Outros
  5. Item 2925.29.2 Guanidine and its derivatives; salts thereof Guanidina e seus derivados; sais destes produtos
  6. Subitem 2925.29.22 N,N'-Diphenylguanidine N,N'-Difenilguanidina

Other NCM codes under HS 2925.29

2925.29.11 L-Arginine aspartateAspartato de L-arginina 2925.29.19 Arginine and its other saltsOutros 2925.29.21 GuanidineGuanidina 2925.29.23 Chlorhexidine and its saltsClorexidina e seus sais 2925.29.29 Other guanidine derivatives and saltsOutros 2925.29.30 AmitrazAmitraz 2925.29.40 Pentamidine isetionateIsetionato de pentamidina 2925.29.50 Hydroxycitronellal methyl anthranilate Schiff baseN-(3,7-Dimetil-7-hidroxioctilideno)antranilato de metila 2925.29.90 Other imines and their derivatives; saltsOutros

Questions about NCM 2925.29.22

What is NCM 2925.29.22?

NCM 2925.29.22 (29252922) is the Brazilian (Mercosur) code for n,N'-Diphenylguanidine. Its official Portuguese description is “N,N'-Difenilguanidina”.

What is the HS code for NCM 2925.29.22?

HS 2925.29 (Imines and their derivatives; salts thereof; other than chlordimeform (ISO)). 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 2925.29.22?

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.