Brazil NCM · 4-digit heading

NCM 29.21 – Amine-function compounds

About NCM heading 29.21

Amine-function compounds

Heading 29.21 of Brazil's NCM has 98 eight-digit codes. Official Portuguese description: Compostos de função amina.

The first four digits, 2921, 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 29.21 guide.

NCM codes in heading 29.21 98

  1. 2921.1 Acyclic monoamines and their derivatives; salts thereof: Monoaminas acíclicas e seus derivados; sais destes produtos:
  2. 2921.11 Amine-function compounds; acyclic monoamines and their derivatives, methylamine, di- or trimethylamine and their saltsMono-, di- ou trimetilamina e seus sais HS code
  3. 2921.11.1 Monomethylamine and its salts Monometilamina e seus sais
  4. 2921.11.11 MonomethylamineMonometilamina
  5. 2921.11.12 Monomethylamine saltsSais
  6. 2921.11.2 Dimethylamine and its salts Dimetilamina e seus sais
  7. 2921.11.21 DimethylamineDimetilamina
  8. 2921.11.22 Dimethylamine 2,4-dichlorophenoxyacetate2,4-Diclorofenoxiacetato de dimetilamina
  9. 2921.11.23 Dimethylamine methylchlorophenoxyacetateMetilclorofenoxiacetato de dimetilamina
  10. 2921.11.29 Other dimethylamine saltsOutros
  11. 2921.11.3 Trimethylamine and its salts Trimetilamina e seus sais
  12. 2921.11.31 TrimethylamineTrimetilamina
  13. 2921.11.32 Trimethylamine hydrochlorideCloridrato de trimetilamina
  14. 2921.11.39 Other trimethylamine saltsOutros
  15. 2921.12.00 2-(N,N-Dimethylamino)ethyl chloride hydrochlorideCloridrato de 2-cloroetil(N,N-dimetilamina)
  16. 2921.13.00 2-(N,N-Diethylamino)ethyl chloride hydrochlorideCloridrato de 2-cloroetil(N,N-dietilamina)
  17. 2921.14.00 2-(N,N-Diisopropylamino)ethyl chloride HClCloridrato de 2-cloroetil(N,N-di-isopropilamina)
  18. 2921.19 Amine-function compounds; acyclic monoamines and their derivatives, and salts thereof, n.e.c. in item no. 2921.1Outros HS code
  19. 2921.19.1 Ethylamines and their derivatives; salts thereof Etilaminas e seus derivados; sais destes produtos
  20. 2921.19.11 Monoethylamine and its saltsMonoetilamina e seus sais
  21. 2921.19.12 TriethylamineTrietilamina
  22. 2921.19.13 Bis(2-chloroethyl)ethylamineBis(2-cloroetil)etilamina
  23. 2921.19.14 Trichlormethine (tris(2-chloroethyl)amine)Triclormetina (DCI) (tris(2-cloroetil)amina)
  24. 2921.19.15 Diethylamine and its salts, except etamsylateDietilamina e seus sais, exceto etansilato (ethamsylate)
  25. 2921.19.19 Other ethylamines, their derivatives and saltsOutros
  26. 2921.19.2 n-Propylamines and isopropylamines; salts thereof n-Propilaminas e isopropilaminas; sais destes produtos
  27. 2921.19.21 Mono-n-propylamine and its saltsMono-n-propilamina e seus sais
  28. 2921.19.22 Di-n-propylamine and its saltsDi-n-propilamina e seus sais
  29. 2921.19.23 Monoisopropylamine and its saltsMonoisopropilamina e seus sais
  30. 2921.19.24 Diisopropylamine and its saltsDi-isopropilamina e seus sais
  31. 2921.19.29 Other n-propylamines, isopropylamines and saltsOutros
  32. 2921.19.3 Butylamines and their salts Butilaminas e seus sais
  33. 2921.19.31 Diisobutylamine and its saltsDi-isobutilamina e seus sais
  34. 2921.19.39 Other butylamines and their saltsOutros
  35. 2921.19.4 Monoalkylamines, methyldialkylamines and dialkylamines, with C10 to C18 alkyl groups Monoalquilaminas, metildialquilaminas e dialquilaminas, com grupos alquila de C10 a C18
  36. 2921.19.41 Methyldialkylamines with C10-C18 alkyl groupsMetildialquilaminas
  37. 2921.19.49 Other C10-C18 monoalkylamines and dialkylaminesOutras
  38. 2921.19.9 Other Outros
  39. 2921.19.91 Chlormethine (bis(2-chloroethyl)methylamine)Clormetina (DCI) (bis(2-cloroetil)metilamina)
  40. 2921.19.92 C1-3 dialkyl-2-chloroethylamines, protonated saltsN,N-Dialquil-2-cloroetilamina, com grupos alquila de C1 a C3, e seus sais protonados
  41. 2921.19.93 Isometheptene mucateMucato de isometepteno
  42. 2921.19.94 N,N-DimethylcetylamineN,N-Dimetilcetilamina
  43. 2921.19.99 Other acyclic monoamines, derivatives and saltsOutros
  44. 2921.2 Acyclic polyamines and their derivatives; salts thereof: Poliaminas acíclicas e seus derivados; sais destes produtos:
  45. 2921.21.00 Ethylenediamine and its saltsEtilenodiamina e seus sais
  46. 2921.22.00 Hexamethylenediamine and its saltsHexametilenodiamina e seus sais
  47. 2921.29 Amine-function compounds; acyclic polyamines and their derivatives, and salts thereof, n.e.c. in item no. 2921.2Outros HS code
  48. 2921.29.10 Diethylenetriamine and its saltsDietilenotriamina e seus sais
  49. 2921.29.20 Triethylenetetramine and its saltsTrietilenotetramina e seus sais
  50. 2921.29.90 Other acyclic polyamines, derivatives and saltsOutros
  51. 2921.30 Amine-function compounds; cyclanic, cyclenic or cycloterpenic mono- or polyamines and their derivatives; salts thereofMonoaminas e poliaminas, ciclânicas, ciclênicas ou cicloterpênicas, e seus derivados; sais destes produtos HS code
  52. 2921.30.1 Cyclohexylamines and their salts Cicloexilaminas e seus sais
  53. 2921.30.11 Monocyclohexylamine and its saltsMonocicloexilamina e seus sais
  54. 2921.30.12 DicyclohexylamineDicicloexilamina
  55. 2921.30.19 Other cyclohexylamines and their saltsOutros
  56. 2921.30.20 PropylhexedrinePropilexedrina
  57. 2921.30.90 Other alicyclic amines, derivatives and saltsOutros
  58. 2921.4 Aromatic monoamines and their derivatives; salts thereof: Monoaminas aromáticas e seus derivados; sais destes produtos:
  59. 2921.41.00 Aniline and its saltsAnilina e seus sais
  60. 2921.42 Amine-function-compounds; aromatic monoamines and their derivatives, aniline derivatives and their saltsDerivados da anilina e seus sais HS code
  61. 2921.42.1 Aminobenzenesulphonic acids and their salts Ácidos aminobenzenossulfônicos e seus sais
  62. 2921.42.11 Sulphanilic acid and its saltsÁcido sulfanílico e seus sais
  63. 2921.42.19 Other aminobenzenesulphonic acids and saltsOutros
  64. 2921.42.2 Chloroanilines and their salts Cloroanilinas e seus sais
  65. 2921.42.21 3,4-Dichloroaniline and its salts3,4-Dicloroanilina e seus sais
  66. 2921.42.29 Other chloroanilines and their saltsOutros
  67. 2921.42.3 Nitroanilines and their salts Nitroanilinas e seus sais
  68. 2921.42.31 4-Nitroaniline4-Nitroanilina
  69. 2921.42.39 Other nitroanilines and their saltsOutros
  70. 2921.42.4 Chloronitroanilines and their salts Cloronitroanilinas e seus sais
  71. 2921.42.41 5-Chloro-2-nitroaniline5-Cloro-2-nitroanilina
  72. 2921.42.49 Other chloronitroanilines and their saltsOutros
  73. 2921.42.90 Other aniline derivatives and their saltsOutros
  74. 2921.43 Amine-function compounds; aromatic monoamines and their derivatives, toluidines and their derivatives; salts thereofToluidinas e seus derivados; sais destes produtos HS code
  75. 2921.43.1 Toluidines and their salts Toluidinas e seus sais
  76. 2921.43.11 o-Toluidineo-Toluidina
  77. 2921.43.19 Other toluidines and their saltsOutros
  78. 2921.43.2 Toluidine derivatives; salts thereof Derivados das toluidinas; sais destes produtos
  79. 2921.43.21 3-Nitro-4-toluidine and its salts3-Nitro-4-toluidina e seus sais
  80. 2921.43.22 TrifluralinTrifluralina
  81. 2921.43.23 4-Chloro-2-toluidine4-Cloro-2-toluidina
  82. 2921.43.29 Other toluidine derivatives and their saltsOutros
  83. 2921.44 Amine-function compounds; aromatic monoamines and their derivatives, diphenylamine and its derivatives; salts thereofDifenilamina e seus derivados; sais destes produtos HS code
  84. 2921.44.10 Diphenylamine and its saltsDifenilamina e seus sais
  85. 2921.44.2 Diphenylamine derivatives; salts thereof Derivados da difenilamina; sais destes produtos
  86. 2921.44.21 n-Octyldiphenylaminen-Octildifenilamina
  87. 2921.44.22 n-Nonyldiphenylaminen-Nonildifenilamina
  88. 2921.44.29 Other diphenylamine derivatives and their saltsOutros
  89. 2921.45.00 Naphthylamines, their derivatives and salts1-Naftilamina (alfa-naftilamina), 2-naftilamina (beta-naftilamina), e seus derivados; sais destes produtos
  90. 2921.46 Amine-function compounds; aromatic monoamines and derivatives; amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereofAnfetamina (DCI), benzofetamina (DCI), dexanfetamina (DCI), etilanfetamina (DCI), fencanfamina (DCI), fentermina (DCI), lefetamina (DCI), levanfetamina (DCI) e mefenorex (DCI); sais destes produtos HS code
  91. 2921.46.10 Amfetamine (amphetamine) and its saltsAnfetamina e seus sais
  92. 2921.46.20 Benzfetamine and its saltsBenzofetamina e seus sais
  93. 2921.46.30 Dexamfetamine (dexamphetamine) and its saltsDexanfetamina e seus sais
  94. 2921.46.40 Etilamfetamine and its saltsEtilanfetamina e seus sais
  95. 2921.46.50 Fencamfamin and its saltsFencanfamina e seus sais
  96. 2921.46.60 Phentermine and its saltsFentermina e seus sais
  97. 2921.46.70 Lefetamine and its saltsLefetamina e seus sais
  98. 2921.46.80 Levamfetamine (levamphetamine) and its saltsLevanfetamina e seus sais
  99. 2921.46.90 Mefenorex and its saltsMefenorex e seus sais
  100. 2921.49 Amine-function compounds; aromatic monoamines and their derivatives; salts thereof; n.e.c. in item no. 2921.4Outros HS code
  101. 2921.49.10 Fenfluramine hydrochlorideCloridrato de fenfluramina
  102. 2921.49.2 Xylidines and their derivatives; salts thereof Xilidinas e seus derivados; sais destes produtos
  103. 2921.49.21 2,4-Xylidine and its salts2,4-Xilidina e seus sais
  104. 2921.49.22 PendimethalinPendimetalina
  105. 2921.49.29 Other xylidines, their derivatives and saltsOutros
  106. 2921.49.3 Tranylcypromine and its salts Tranilcipromina e seus sais
  107. 2921.49.31 Tranylcypromine sulphateSulfato de tranilcipromina
  108. 2921.49.39 Tranylcypromine and salts other than sulphateOutros
  109. 2921.49.90 Other aromatic monoamines, derivatives and saltsOutros
  110. 2921.5 Aromatic polyamines and their derivatives; salts thereof: Poliaminas aromáticas e seus derivados; sais destes produtos:
  111. 2921.51 Amine-function compounds; aromatic amines and their derivatives; o-, m-, p-phenylenediamine, diaminotoluenes and their derivatives; salts thereofo-, m-, p-Fenilenodiamina, diaminotoluenos, e seus derivados; sais destes produtos HS code
  112. 2921.51.1 o-, m-, p-Phenylenediamine; diaminotoluenes; salts thereof o-, m-, p-Fenilenodiamina; diaminotoluenos; sais destes produtos
  113. 2921.51.11 m-Phenylenediamine and its saltsm-Fenilenodiamina e seus sais
  114. 2921.51.12 Diaminotoluenes (toluylenediamines)Diaminotoluenos (toluilenodiaminas)
  115. 2921.51.19 Other phenylenediamines, diaminotoluenes and saltsOutros
  116. 2921.51.20 Sulphonated phenylenediamine derivatives; saltsDerivados sulfonados das fenilenodiaminas e de seus derivados; sais destes produtos
  117. 2921.51.3 Other derivatives of phenylenediamines; salts thereof Outros derivados das fenilenodiaminas; sais destes produtos
  118. 2921.51.31 N,N'-Di-sec-butyl-p-phenylenediamineN,N'-Di-sec-butil-p-fenilenodiamina
  119. 2921.51.32 N-Isopropyl-N'-phenyl-p-phenylenediamine (IPPD)N-Isopropil-N'-fenil-p-fenilenodiamina
  120. 2921.51.33 N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamineN-(1,3-Dimetilbutil)-N'-fenil-p-fenilenodiamina
  121. 2921.51.34 4-(1,4-Dimethylpentylamino)diphenylamine (7PPD)N-(1,4-Dimetilpentil)-N'-fenil-p-fenilenodiamina
  122. 2921.51.35 N-Phenyl-p-phenylenediamine and its saltsN-Fenil-p-fenilenodiamina (4-aminodifenilamina) e seus sais
  123. 2921.51.39 Other phenylenediamine derivatives and saltsOutros
  124. 2921.51.90 Other diaminotoluene derivatives and their saltsOutros
  125. 2921.59 Amine-function compounds; aromatic polyamines and their derivatives, other than item no. 2921.51Outros HS code
  126. 2921.59.1 Benzidine and its derivatives; salts thereof Benzidina e seus derivados; sais destes produtos
  127. 2921.59.11 3,3'-Dichlorobenzidine3,3'-Diclorobenzidina
  128. 2921.59.19 Benzidine, its other derivatives and saltsOutros
  129. 2921.59.2 Diaminodiphenylmethanes Diaminodifenilmetanos
  130. 2921.59.21 4,4'-Diaminodiphenylmethane4,4'-Diaminodifenilmetano
  131. 2921.59.29 Other diaminodiphenylmethanesOutros
  132. 2921.59.3 Diaminodiphenylamines and their derivatives; salts thereof Diaminodifenilaminas e seus derivados; sais destes produtos
  133. 2921.59.31 4,4'-Diaminodiphenylamine and its salts4,4'-Diaminodifenilamina e seus sais
  134. 2921.59.32 4,4'-Diaminodiphenylamine-2-sulphonic acid, saltsÁcido 4,4'-diaminodifenilamino-2-sulfônico e seus sais
  135. 2921.59.39 Other diaminodiphenylamines, derivatives, saltsOutros
  136. 2921.59.90 Other aromatic polyamines, derivatives and saltsOutros

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.