Brazil NCM · 8-digit subitem

NCM 3912.20.21 – Cellulose nitrate in alcohol, 65%+ non-volatiles

NCM 3912.20.21 (also written 39122021) is Brazil's code for cellulose nitrate in alcohol, 65%+ non-volatiles. Its first 6 digits are HS code 3912.20.

Official description of NCM 3912.20.21

PortuguêsOfficial
Em álcool, com um teor de não voláteis igual ou superior a 65 %, em peso
EnglishUnofficial translation

In alcohol, with a non-volatile content of 65 % or more by weight

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

How to read NCM 3912.20.21

39Chapter 12Heading 20Subheading

HS code 3912.20
Same in every country

2Item 1Subitem

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 39 Plastics and articles thereof Plástico e suas obras.
  2. Heading 39.12 Cellulose and its chemical derivatives, n.e.c. or included, in primary forms Celulose e seus derivados químicos, não especificados nem compreendidos noutras posições, em formas primárias.
  3. Subheading 3912.20 Cellulose nitrates (including collodions); in primary forms Nitratos de celulose (incluindo os colódios)
  4. Item 3912.20.2 Without filler Sem carga
  5. Subitem 3912.20.21 In alcohol, with a non-volatile content of 65 % or more by weight Em álcool, com um teor de não voláteis igual ou superior a 65 %, em peso

Other NCM codes under HS 3912.20

3912.20.10 Filled cellulose nitrates (incl. collodions)Com carga 3912.20.29 Other unfilled cellulose nitratesOutros

Questions about NCM 3912.20.21

What is NCM 3912.20.21?

NCM 3912.20.21 (39122021) is the Brazilian (Mercosur) code for cellulose nitrate in alcohol, 65%+ non-volatiles. Its official Portuguese description is “Em álcool, com um teor de não voláteis igual ou superior a 65 %, em peso”.

What is the HS code for NCM 3912.20.21?

HS 3912.20 (Cellulose nitrates (including collodions); in primary forms). 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 3912.20.21?

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.