Brazil NCM · 8-digit subitem

NCM 2931.49.32 – Bis(1-methylpentyl) methylphosphonate

NCM 2931.49.32 (also written 29314932) is Brazil's code for bis(1-methylpentyl) methylphosphonate. Its first 6 digits are HS code 2931.49.

Official description of NCM 2931.49.32

PortuguêsOfficial
Metilfosfonato de bis(1-metilpentila)
EnglishUnofficial translation

Bis(1-methylpentyl) methylphosphonate

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

How to read NCM 2931.49.32

29Chapter 31Heading 49Subheading

HS code 2931.49
Same in every country

3Item 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 29.31 Other organo-inorganic compounds Outros compostos organo-inorgânicos.
  3. Group 2931.4 Non-halogenated organo-phosphorous derivatives: Derivados organofosforados não halogenados:
  4. Subheading 2931.49 Non-halogenated organo-phosphorous derivatives; other non-halogenated organo-phosphorous derivatives, n.e.c. in item no. 2931.4 Outros
  5. Item 2931.49.3 Other compounds containing a phosphorus atom bonded to an alkyl group (C1 to C3) but no further carbon atoms Outros compostos que contenham um átomo de fósforo ligado a um grupo alquila (de C1 a C3) mas sem outros átomos de carbono
  6. Subitem 2931.49.32 Bis(1-methylpentyl) methylphosphonate Metilfosfonato de bis(1-metilpentila)

Other NCM codes under HS 2931.49

2931.49.11 PMIDA; aminotrimethylenephosphonic acidÁcido fosfonometiliminodiacético; ácido aminotrimetilenofosfônico 2931.49.12 4,4'-Bis(dimethoxyphosphinylmethyl)diphenylDifenilfosfonato(4,4'-bis((dimetoxifosfinil)metil)difenila) 2931.49.13 Disodium etidronateEtidronato dissódico 2931.49.14 Glyphosate and its monoisopropylamine saltGlifosato e seu sal de monoisopropilamina 2931.49.15 Glufosinate-ammoniumGlufosinato de amônio 2931.49.16 Bis(2-ethylhexyl) hydrogen phosphonateHidrogenofosfonato de bis(2-etilexilo) 2931.49.20 O-Dialkyl(C1-C3)aminoethyl alkylphosphonitesHidrogênio alquil(de C1 a C3)fosfonitos de [O-2-(dialquil(de C1 a C3)amino)etila], seus ésteres de O-alquila (de até C10, incluindo os cicloalquila); sais alquilados ou protonados destes produtos 2931.49.31 Butyl methylphosphinateMetilfosfinato de butila 2931.49.39 Non-halogenated P-(C1-C3)alkyl, no other P-C bondOutros 2931.49.40 O-Alkyl N,N-dialkyl(C1-C3)phosphoramidocyanidatesN,N-Dialquil(de C1 a C3)fosforoamidocianidatos de O-alquila (de até C10, incluindo os cicloalquila) 2931.49.90 Other non-halogenated organophosphorus derivativesOutros

Questions about NCM 2931.49.32

What is NCM 2931.49.32?

NCM 2931.49.32 (29314932) is the Brazilian (Mercosur) code for bis(1-methylpentyl) methylphosphonate. Its official Portuguese description is “Metilfosfonato de bis(1-metilpentila)”.

What is the HS code for NCM 2931.49.32?

HS 2931.49 (Non-halogenated organo-phosphorous derivatives; other non-halogenated organo-phosphorous derivatives, n.e.c. in item no. 2931.4). 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 2931.49.32?

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.