Brazil NCM · 8-digit subitem

NCM 2931.49.13 – Disodium etidronate

NCM 2931.49.13 (also written 29314913) is Brazil's code for disodium etidronate. Its first 6 digits are HS code 2931.49.

Official description of NCM 2931.49.13

PortuguêsOfficial
Etidronato dissódico
EnglishUnofficial translation

Disodium etidronate

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

How to read NCM 2931.49.13

29Chapter 31Heading 49Subheading

HS code 2931.49
Same in every country

1Item 3Subitem

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 2931.49.1 Phosphonomethyliminodiacetic acid; aminotrimethylenephosphonic acid; diphenylphosphonate(4,4'-bis((dimethoxyphosphinyl)methyl)diphenyl); disodium etidronate; glyphosate and its monoisopropylamine salt; glufosinate-ammonium; bis(2-ethylhexyl) hydrogen phosphonate Ácido fosfonometiliminodiacético; ácido aminotrimetilenofosfônico; difenilfosfonato(4,4'-bis((dimetoxifosfinil)metil)difenila); etidronato dissódico; glifosato e seu sal de monoisopropilamina; glufosinato de amônio; hidrogenofosfonato de bis(2-etilexilo)
  6. Subitem 2931.49.13 Disodium etidronate Etidronato dissódico

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) 2931.49.14 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 2931.49.32 Bis(1-methylpentyl) methylphosphonateMetilfosfonato de bis(1-metilpentila) 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 2931.49.13

What is NCM 2931.49.13?

NCM 2931.49.13 (29314913) is the Brazilian (Mercosur) code for disodium etidronate. Its official Portuguese description is “Etidronato dissódico”.

What is the HS code for NCM 2931.49.13?

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 2931.49.13?

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.