Brazil NCM · 8-digit subitem

NCM 2929.90.50 – Dialkylaminoalkylidene phosphonamidofluoridates

NCM 2929.90.50 (also written 29299050) is Brazil's code for dialkylaminoalkylidene phosphonamidofluoridates. Its first 6 digits are HS code 2929.90.

Official description of NCM 2929.90.50

PortuguêsOfficial
Fosfonamidofluoridatos de N-(1-(dialquila (de até C10, incluindo cicloalquila)amino))alquilideno (H ou de até C10, incluindo cicloalquila) e sais alquilados ou protonados destes produtos
EnglishUnofficial translation

N-(1-(Dialkyl (up to C10, including cycloalkyl)amino))alkylidene (H or up to C10, including cycloalkyl) phosphonamidofluoridates and alkylated or protonated salts thereof

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2024 (Res Gecex 547/2023).

How to read NCM 2929.90.50

29Chapter 29Heading 90Subheading

HS code 2929.90
Same in every country

5Item 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 29.29 Nitrogen-function compounds, n.e.c. in chapter 29 Compostos de outras funções nitrogenadas (azotadas).
  3. Subheading 2929.90 Nitrogen-function compounds; n.e.c. in chapter 29, excluding isocyanates Outros
  4. Subitem 2929.90.50 N-(1-(Dialkyl (up to C10, including cycloalkyl)amino))alkylidene (H or up to C10, including cycloalkyl) phosphonamidofluoridates and alkylated or protonated salts thereof Fosfonamidofluoridatos de N-(1-(dialquila (de até C10, incluindo cicloalquila)amino))alquilideno (H ou de até C10, incluindo cicloalquila) e sais alquilados ou protonados destes produtos

Other NCM codes under HS 2929.90

Questions about NCM 2929.90.50

What is NCM 2929.90.50?

NCM 2929.90.50 (29299050) is the Brazilian (Mercosur) code for dialkylaminoalkylidene phosphonamidofluoridates. Its official Portuguese description is “Fosfonamidofluoridatos de N-(1-(dialquila (de até C₁₀, incluindo cicloalquila)amino))alquilideno (H ou de até C₁₀, incluindo cicloalquila) e sais alquilados ou protonados destes produtos”.

What is the HS code for NCM 2929.90.50?

HS 2929.90 (Nitrogen-function compounds; n.e.c. in chapter 29, excluding isocyanates). 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 2929.90.50?

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.