Brazil NCM · 4-digit heading

NCM 29.04 – Sulphonated, nitrated or nitrosated hydrocarbons

About NCM heading 29.04

Sulphonated, nitrated or nitrosated derivatives of hydrocarbons; whether or not halogenated

Heading 29.04 of Brazil's NCM has 43 eight-digit codes. Official Portuguese description: Derivados sulfonados, nitrados ou nitrosados dos hidrocarbonetos, mesmo halogenados.

The first four digits, 2904, 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 29.04 guide.

NCM codes in heading 29.04 43

  1. 2904.10 Derivatives of hydrocarbons; containing only sulpho groups, their salts and ethyl esters, whether or not halogenatedDerivados apenas sulfonados, seus sais e seus ésteres etílicos HS code
  2. 2904.10.1 Methanesulphonic acid and its salts Ácido metanossulfônico e seus sais
  3. 2904.10.11 Methanesulphonic acidÁcido metanossulfônico
  4. 2904.10.12 Lead methanesulphonateMetanossulfonato de chumbo
  5. 2904.10.13 Tin methanesulphonateMetanossulfonato de estanho
  6. 2904.10.19 Other methanesulphonic acid saltsOutros
  7. 2904.10.20 Dodecylbenzenesulphonic acid and its saltsÁcido dodecilbenzenossulfônico e seus sais
  8. 2904.10.30 Toluene- and xylenesulphonic acids and saltsÁcidos toluenossulfônicos; ácidos xilenossulfônicos; sais destes ácidos
  9. 2904.10.40 Ethanesulphonic and ethylenesulphonic acidsÁcido etanossulfônico; ácido etilenossulfônico
  10. 2904.10.5 Naphthalenesulphonic acids, their salts and their esters Ácidos naftalenossulfônicos, seus sais e seus ésteres
  11. 2904.10.51 Sodium naphthalenesulphonatesNaftalenossulfonatos de sódio
  12. 2904.10.52 beta-Naphthalenesulphonic acidÁcido beta-naftalenossulfônico
  13. 2904.10.53 Alkylnaphthalenesulphonic acids and their saltsÁcidos alquil- e dialquilnaftalenossulfônicos; sais destes ácidos
  14. 2904.10.59 Other naphthalenesulphonic acids, salts, estersOutros
  15. 2904.10.60 Benzenesulphonic acid and its saltsÁcido benzenossulfônico e seus sais
  16. 2904.10.90 Other sulpho derivatives of hydrocarbonsOutros
  17. 2904.20 Derivatives of hydrocarbons; containing only nitro or only nitroso groups, whether or not halogenatedDerivados apenas nitrados ou apenas nitrosados HS code
  18. 2904.20.10 Mononitrotoluenes (MNT)Mononitrotoluenos (MNT)
  19. 2904.20.20 NitropropanesNitropropanos
  20. 2904.20.30 DinitrotoluenesDinitrotoluenos
  21. 2904.20.4 Trinitrotoluenes Trinitrotoluenos
  22. 2904.20.41 2,4,6-Trinitrotoluene (TNT)2,4,6-Trinitrotolueno (TNT)
  23. 2904.20.49 Other trinitrotoluenesOutros
  24. 2904.20.5 Nitrated derivatives of benzene Derivados nitrados do benzeno
  25. 2904.20.51 NitrobenzeneNitrobenzeno
  26. 2904.20.52 1,3,5-Trinitrobenzene1,3,5-Trinitrobenzeno
  27. 2904.20.59 Other nitrated benzene derivativesOutros
  28. 2904.20.60 Nitrated xylene derivativesDerivados nitrados do xileno
  29. 2904.20.70 Mononitroethane and nitromethanesMononitroetano; nitrometanos
  30. 2904.20.90 Other nitro or nitroso hydrocarbon derivativesOutros
  31. 2904.3 Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride: Ácido perfluoroctano sulfônico, seus sais e fluoreto de perfluoroctanossulfonila:
  32. 2904.31.00 Perfluorooctane sulphonic acid (PFOS)Ácido perfluoroctano sulfônico
  33. 2904.32.00 Ammonium perfluorooctane sulphonatePerfluoroctanossulfonato de amônio
  34. 2904.33.00 Lithium perfluorooctane sulphonatePerfluoroctanossulfonato de lítio
  35. 2904.34.00 Potassium perfluorooctane sulphonatePerfluoroctanossulfonato de potássio
  36. 2904.35.00 Other salts of perfluorooctane sulphonic acidOutros sais do ácido perfluoroctano sulfônico
  37. 2904.36.00 Perfluorooctane sulphonyl fluorideFluoreto de perfluoroctanossulfonila
  38. 2904.9 Other: Outros:
  39. 2904.91.00 Trichloronitromethane (chloropicrin)Tricloronitrometano (cloropicrina)
  40. 2904.99 Derivatives of hydrocarbons n.e.c. in heading no. 2904, whether or not halogenatedOutros HS code
  41. 2904.99.1 Nitrohalogenated derivatives Derivados nitroalogenados
  42. 2904.99.11 1-Chloro-4-nitrobenzene1-Cloro-4-nitrobenzeno
  43. 2904.99.12 1-Chloro-2,4-dinitrobenzene1-Cloro-2,4-dinitrobenzeno
  44. 2904.99.13 2-Chloro-1,3-dinitrobenzene2-Cloro-1,3-dinitrobenzeno
  45. 2904.99.14 4-Chloro-3,5-dinitrobenzotrifluoride4-Cloro-alfa,alfa,alfa-trifluor-3,5-dinitrotolueno
  46. 2904.99.15 o- and m-Nitrochlorobenzeneo-Nitroclorobenzeno; m-nitroclorobenzeno
  47. 2904.99.16 1,2-Dichloro-4-nitrobenzene1,2-Dicloro-4-nitrobenzeno
  48. 2904.99.19 Other nitrohalogenated derivativesOutros
  49. 2904.99.2 Nitrosulphonated derivatives Derivados nitrossulfonados
  50. 2904.99.21 Dinitrostilbenedisulphonic acidsÁcidos dinitroestilbenodissulfônicos
  51. 2904.99.29 Other nitrosulphonated derivativesOutros
  52. 2904.99.30 p-Toluenesulphonyl chloride (tosyl chloride)Cloreto de p-toluenossulfonila (cloreto de tosila)
  53. 2904.99.40 o-Toluenesulphonyl chlorideCloreto de o-toluenossulfonila
  54. 2904.99.90 Other sulpho, nitro or nitroso derivativesOutros

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.