Brazil NCM · 4-digit heading

NCM 29.31 – Other organo-inorganic compounds

About NCM heading 29.31

Other organo-inorganic compounds

Heading 29.31 of Brazil's NCM has 55 eight-digit codes. Official Portuguese description: Outros compostos organo-inorgânicos.

The first four digits, 2931, identify this heading within chapter 29. Its six-digit subheadings follow the international HS system; the final two digits distinguish Mercosur's NCM classifications. Select a code below to read its English translation, official Portuguese text and full classification path.

For product coverage and classification context, read the HS heading 29.31 guide.

NCM codes in heading 29.31 55

  1. 2931.10.00 Tetramethyl lead and tetraethyl leadTetrametila de chumbo e tetraetila de chumbo
  2. 2931.20.00 Tributyltin compoundsCompostos de tributilestanho
  3. 2931.4 Non-halogenated organo-phosphorous derivatives: Derivados organofosforados não halogenados:
  4. 2931.41.00 Dimethyl methylphosphonateMetilfosfonato de dimetila
  5. 2931.42.00 Dimethyl propylphosphonatePropilfosfonato de dimetila
  6. 2931.43.00 Diethyl ethylphosphonateEtilfosfonato de dietila
  7. 2931.44.00 Methylphosphonic acidÁcido metilfosfônico
  8. 2931.45.00 Methylphosphonic acid (aminoiminomethyl)urea saltSal do ácido metilfosfônico e de (aminoiminometil)ureia (1:1)
  9. 2931.46.00 Propylphosphonic anhydride (T3P)2,4,6-Trióxido de 2,4,6-tripropil-1,3,5,2,4,6-trioxatrifosfinano
  10. 2931.47.00 Dioxaphosphinanylmethyl methyl methylphosphonateMetilfosfonato de (5-etil-2-metil-2-óxido-1,3,2-dioxafosfinan-5-il)metil metila
  11. 2931.48.00 Dimethyl tetraoxadiphosphaspiroundecane dioxide3,9-Dióxido de 3,9-dimetil-2,4,8,10-tetraoxa-3,9-difosfaspiro[5.5]undecano
  12. 2931.49 Non-halogenated organo-phosphorous derivatives; other non-halogenated organo-phosphorous derivatives, n.e.c. in item no. 2931.4Outros HS code
  13. 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)
  14. 2931.49.11 PMIDA; aminotrimethylenephosphonic acidÁcido fosfonometiliminodiacético; ácido aminotrimetilenofosfônico
  15. 2931.49.12 4,4'-Bis(dimethoxyphosphinylmethyl)diphenylDifenilfosfonato(4,4'-bis((dimetoxifosfinil)metil)difenila)
  16. 2931.49.13 Disodium etidronateEtidronato dissódico
  17. 2931.49.14 Glyphosate and its monoisopropylamine saltGlifosato e seu sal de monoisopropilamina
  18. 2931.49.15 Glufosinate-ammoniumGlufosinato de amônio
  19. 2931.49.16 Bis(2-ethylhexyl) hydrogen phosphonateHidrogenofosfonato de bis(2-etilexilo)
  20. 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
  21. 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
  22. 2931.49.31 Butyl methylphosphinateMetilfosfinato de butila
  23. 2931.49.32 Bis(1-methylpentyl) methylphosphonateMetilfosfonato de bis(1-metilpentila)
  24. 2931.49.39 Non-halogenated P-(C1-C3)alkyl, no other P-C bondOutros
  25. 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)
  26. 2931.49.90 Other non-halogenated organophosphorus derivativesOutros
  27. 2931.5 Halogenated organo-phosphorous derivatives: Derivados organofosforados halogenados:
  28. 2931.51.00 Methylphosphonic dichlorideDicloreto metilfosfônico
  29. 2931.52.00 Propylphosphonic dichlorideDicloreto propilfosfônico
  30. 2931.53.00 3-Chloropropyl CF3-nitrophenyl phosphonothionateMetilfosfonotionato de O-(3-cloropropil) O-[4-nitro-3-(trifluorometil)fenila]
  31. 2931.54.00 Trichlorfon (ISO)Triclorfom (ISO)
  32. 2931.59 Halogenated organo-phosphorous derivatives; other halogenated organo-phosphorous derivatives, n.e.c. in item no. 2931.5Outros HS code
  33. 2931.59.1 Clodronic acid and its disodium salt; ethephon; fotemustine Ácido clodrônico e seu sal dissódico; etefon; fotemustina
  34. 2931.59.11 Clodronic acid and its disodium saltÁcido clodrônico e seu sal dissódico
  35. 2931.59.12 EthephonEtefon
  36. 2931.59.13 FotemustineFotemustina
  37. 2931.59.9 Other Outros
  38. 2931.59.91 O-Alkyl(≤C10) alkyl(C1-C3)phosphonofluoridatesAlquil(de C1 a C3)fosfonofluoridatos de O-alquila (de até C10, incluindo os cicloalquila)
  39. 2931.59.92 O-Isopropyl methylphosphonochloridateMetilfosfonocloridato de O-isopropila
  40. 2931.59.93 O-Pinacolyl methylphosphonochloridateMetilfosfonocloridato de O-pinacolila
  41. 2931.59.94 Alkyl(C1-C3)phosphonyl difluoridesDifluoreto de alquilfosfonila, com grupo alquila de C1 a C3
  42. 2931.59.95 Dialkylaminoalkylidene phosphonamidofluoridatesFosfonamidofluoridatos de P-alquila (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
  43. 2931.59.96 Bis(diethylamino)methylene phosphonamidofluoridate(Bis(dietilamina)metileno)fosfonamidofluoridato de metila
  44. 2931.59.98 Halogenated P-(C1-C3)alkyl, no other P-C bondOutros compostos que contenham um átomo de fósforo ligado a um grupo alquila (de C1 a C3) mas sem outros átomos de carbono
  45. 2931.59.99 Other halogenated organophosphorus derivativesOutros
  46. 2931.90 Organo-inorganic compounds; other than tetramethyl lead, tetraethyl lead, tributyltin compounds, and other organo-phosphorous derivativesOutros HS code
  47. 2931.90.2 Organosilicon compounds Compostos organossilícicos
  48. 2931.90.21 Bis(trimethylsilyl)ureaBis(trimetilsilil)ureia
  49. 2931.90.29 Other organosilicon compoundsOutros
  50. 2931.90.4 Organometallic compounds of tin Compostos organometálicos do estanho
  51. 2931.90.41 Triphenyltin acetateAcetato de trifenilestanho
  52. 2931.90.42 TetraoctyltinTetraoctilestanho
  53. 2931.90.43 CyhexatinCiexatin
  54. 2931.90.44 Triphenyltin hydroxideHidróxido de trifenilestanho
  55. 2931.90.45 Fenbutatin oxideÓxido de fembutatina
  56. 2931.90.46 Dialkyltin (C1/C4/C8) carboxylates, thioglycolatesSais de dimetil-estanho, de dibutil-estanho e de dioctil-estanho, dos ácidos carboxílicos ou tioglicólicos e de seus ésteres
  57. 2931.90.49 Other organotin compoundsOutros
  58. 2931.90.5 Organo-arsenic compounds Compostos organoarseniais
  59. 2931.90.51 Methylarsinic acid and its saltsÁcido metilarsínico e seus sais
  60. 2931.90.52 2-Chlorovinyldichloroarsine (lewisite 1)2-Clorovinil-dicloroarsina
  61. 2931.90.53 Bis(2-chlorovinyl)chloroarsine (lewisite 2)Bis(2-clorovinil)cloroarsina
  62. 2931.90.54 Tris(2-chlorovinyl)arsine (lewisite 3)Tris(2-clorovinil)arsina
  63. 2931.90.59 Other organo-arsenic compoundsOutros
  64. 2931.90.6 Organo-aluminium compounds Compostos organoalumínicos
  65. 2931.90.61 Ethylaluminium sesquichlorideTricloreto de etilalumínio (sesquicloreto de etilalumínio)
  66. 2931.90.62 Diethylaluminium chlorideCloreto de dietilalumínio
  67. 2931.90.69 Other organo-aluminium compoundsOutros
  68. 2931.90.90 Other organo-inorganic compounds not specifiedOutros

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.