Brazil NCM · 8-digit subitem

NCM 2929.90.31 – N,N-Dimethylphosphoramidic dichloride

NCM 2929.90.31 (also written 29299031) is Brazil's code for n,N-Dimethylphosphoramidic dichloride. Its first 6 digits are HS code 2929.90.

Official description of NCM 2929.90.31

PortuguêsOfficial
Dicloreto de N,N-dimetilfosforoamídico
EnglishUnofficial translation

N,N-Dimethylphosphoramidic dichloride

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

How to read NCM 2929.90.31

29Chapter 29Heading 90Subheading

HS code 2929.90
Same in every country

3Item 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 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. Item 2929.90.3 N,N-Dialkylphosphoramidic dihalides, with C1 to C3 alkyl groups Dialogenetos de N,N-dialquilfosforoamidatos, com grupos alquila de C1 a C3
  5. Subitem 2929.90.31 N,N-Dimethylphosphoramidic dichloride Dicloreto de N,N-dimetilfosforoamídico

Other NCM codes under HS 2929.90

2929.90.11 Sodium cyclamateDe sódio 2929.90.12 Calcium cyclamateDe cálcio 2929.90.19 Cyclamic acid and other cyclamatesOutros 2929.90.39 Other N,N-dialkyl(C1-C3) phosphoramidic dihalidesOutros 2929.90.40 C1-C3 dialkyl N,N-dialkylphosphoramidatesN,N-Dialquilfosforoamidatos de dialquila, com grupos alquila de C1 a C3 2929.90.50 Dialkylaminoalkylidene phosphonamidofluoridatesFosfonamidofluoridatos 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 2929.90.60 Dialkylaminoalkylidene phosphoramidofluoridatesFosforamidofluoridatos de O-alquila (H ou de até C10, incluindo cicloalquila) N-(1-(dialquila (de até C10, incluindo cicloalquila)amino))alquilideno (H ou de até C10, incluindo cicloalquila) e sais alquilados ou protonados destes produtos 2929.90.90 Other compounds with other nitrogen functionOutros

Questions about NCM 2929.90.31

What is NCM 2929.90.31?

NCM 2929.90.31 (29299031) is the Brazilian (Mercosur) code for n,N-Dimethylphosphoramidic dichloride. Its official Portuguese description is “Dicloreto de N,N-dimetilfosforoamídico”.

What is the HS code for NCM 2929.90.31?

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 2929.90.31?

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.