Brazil NCM · 8-digit subitem

NCM 2936.25.20 – Pyridoxine (vitamin B6) hydrochloride

NCM 2936.25.20 (also written 29362520) is Brazil's code for pyridoxine (vitamin B6) hydrochloride. Its first 6 digits are HS code 2936.25.

Official description of NCM 2936.25.20

PortuguêsOfficial
Cloridrato de piridoxina
EnglishUnofficial translation

Pyridoxine hydrochloride

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

How to read NCM 2936.25.20

29Chapter 36Heading 25Subheading

HS code 2936.25
Same in every country

2Item 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. 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 29.36 Provitamins, vitamins; natural or reproduced by synthesis (including natural concentrates) derivatives thereof used as vitamins, and intermixtures of the fore-going, whether or not in any solvent Provitaminas e vitaminas, naturais ou reproduzidas por síntese (incluindo os concentrados naturais), bem como os seus derivados utilizados principalmente como vitaminas, misturados ou não entre si, mesmo em quaisquer soluções.
  3. Group 2936.2 Vitamins and their derivatives, unmixed: Vitaminas e seus derivados, não misturados:
  4. Subheading 2936.25 Vitamins; vitamin B6 and its derivatives, unmixed Vitamina B6 e seus derivados
  5. Subitem 2936.25.20 Pyridoxine hydrochloride Cloridrato de piridoxina

Other NCM codes under HS 2936.25

2936.25.10 Vitamin B6Vitamina B6 2936.25.90 Other vitamin B6 derivativesOutros

Questions about NCM 2936.25.20

What is NCM 2936.25.20?

NCM 2936.25.20 (29362520) is the Brazilian (Mercosur) code for pyridoxine (vitamin B6) hydrochloride. Its official Portuguese description is “Cloridrato de piridoxina”.

What is the HS code for NCM 2936.25.20?

HS 2936.25 (Vitamins; vitamin B6 and its derivatives, unmixed). 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 2936.25.20?

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.