{
  "summary": "HS heading 29.21 covers amine-function compounds. It is in chapter 29 (organic chemicals). It is split into 18 subheadings: 2921.11 (acyclic monoamines and their derivatives; salts thereof, methylamine, di- or trimethylamine and their salts), 2921.12 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride), 2921.13 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diethylamino)ethylchloride hydrochloride), 2921.14 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diisopropylamino)ethylchloride hydrochloride), 2921.19 (acyclic monoamines and their derivatives; salts thereof, other), 2921.21 (acyclic polyamines and their derivatives; salts thereof, ethylenediamine and its salts) and 12 others. National tariff lines under heading 29.21 are live on border.bot for the United States (76 lines, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "Heading",
      "value": "29.21",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Description",
      "value": "Amine-function compounds",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Chapter",
      "value": "29: Organic chemicals",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Subheadings",
      "value": "18",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    }
  ],
  "faq": [
    {
      "question": "What does HS heading 29.21 cover?",
      "answer": "HS heading 29.21 covers amine-function compounds."
    },
    {
      "question": "Which chapter is HS heading 29.21 in?",
      "answer": "HS heading 29.21 is in chapter 29 (organic chemicals)."
    },
    {
      "question": "How many subheadings does HS heading 29.21 have?",
      "answer": "HS heading 29.21 has 18 subheadings: 2921.11 (acyclic monoamines and their derivatives; salts thereof, methylamine, di- or trimethylamine and their salts), 2921.12 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride), 2921.13 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diethylamino)ethylchloride hydrochloride), 2921.14 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diisopropylamino)ethylchloride hydrochloride), 2921.19 (acyclic monoamines and their derivatives; salts thereof, other), 2921.21 (acyclic polyamines and their derivatives; salts thereof, ethylenediamine and its salts) and 12 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS heading 29.21?",
      "answer": "National tariff lines under heading 29.21 are live on border.bot for the United States (76 lines, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS heading 29.21 covers amine-function compounds.",
        "It is split into 18 subheadings: 2921.11 (acyclic monoamines and their derivatives; salts thereof, methylamine, di- or trimethylamine and their salts), 2921.12 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Dimethylamino)ethylchloride hydrochloride), 2921.13 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diethylamino)ethylchloride hydrochloride), 2921.14 (acyclic monoamines and their derivatives; salts thereof, 2-(N,N-Diisopropylamino)ethylchloride hydrochloride), 2921.19 (acyclic monoamines and their derivatives; salts thereof, other), 2921.21 (acyclic polyamines and their derivatives; salts thereof, ethylenediamine and its salts) and 12 others."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of chapter 29 are classified in its other 41 headings, listed below."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "Heading 29.21 is one of 42 headings in chapter 29. Its first two digits, 29, are the chapter; the next two, 21, number the heading within it. Its subheadings add two more digits (2921.11, 2921.12, 2921.13)."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under heading 29.21 are live on border.bot for the United States (76 lines, also used by 1 other country)."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.",
        "This page was last updated on 11 October 2026.",
        "Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling."
      ]
    }
  ],
  "data": {
    "type": "hs-heading",
    "edition": "HS2022",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
    },
    "heading": {
      "code": "2921",
      "description": "Amine-function compounds"
    },
    "subheadings": [
      {
        "code": "292111",
        "description": "Acyclic monoamines and their derivatives; salts thereof: Methylamine, di- or trimethylamine and their salts",
        "levels": [
          "Acyclic monoamines and their derivatives; salts thereof",
          "Methylamine, di- or trimethylamine and their salts"
        ]
      },
      {
        "code": "292112",
        "description": "Acyclic monoamines and their derivatives; salts thereof: 2-(N,N-Dimethylamino)ethylchloride hydrochloride",
        "levels": [
          "Acyclic monoamines and their derivatives; salts thereof",
          "2-(N,N-Dimethylamino)ethylchloride hydrochloride"
        ]
      },
      {
        "code": "292113",
        "description": "Acyclic monoamines and their derivatives; salts thereof: 2-(N,N-Diethylamino)ethylchloride hydrochloride",
        "levels": [
          "Acyclic monoamines and their derivatives; salts thereof",
          "2-(N,N-Diethylamino)ethylchloride hydrochloride"
        ]
      },
      {
        "code": "292114",
        "description": "Acyclic monoamines and their derivatives; salts thereof: 2-(N,N-Diisopropylamino)ethylchloride hydrochloride",
        "levels": [
          "Acyclic monoamines and their derivatives; salts thereof",
          "2-(N,N-Diisopropylamino)ethylchloride hydrochloride"
        ]
      },
      {
        "code": "292119",
        "description": "Acyclic monoamines and their derivatives; salts thereof: Other",
        "levels": [
          "Acyclic monoamines and their derivatives; salts thereof",
          "Other"
        ]
      },
      {
        "code": "292121",
        "description": "Acyclic polyamines and their derivatives; salts thereof: Ethylenediamine and its salts",
        "levels": [
          "Acyclic polyamines and their derivatives; salts thereof",
          "Ethylenediamine and its salts"
        ]
      },
      {
        "code": "292122",
        "description": "Acyclic polyamines and their derivatives; salts thereof: Hexamethylenediamine and its salts",
        "levels": [
          "Acyclic polyamines and their derivatives; salts thereof",
          "Hexamethylenediamine and its salts"
        ]
      },
      {
        "code": "292129",
        "description": "Acyclic polyamines and their derivatives; salts thereof: Other",
        "levels": [
          "Acyclic polyamines and their derivatives; salts thereof",
          "Other"
        ]
      },
      {
        "code": "292130",
        "description": "Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof",
        "levels": [
          "Cyclanic, cyclenic or cycloterpenic mono- or polyamines, and their derivatives; salts thereof"
        ]
      },
      {
        "code": "292141",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Aniline and its salts",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Aniline and its salts"
        ]
      },
      {
        "code": "292142",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Aniline derivatives and their salts",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Aniline derivatives and their salts"
        ]
      },
      {
        "code": "292143",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof"
        ]
      },
      {
        "code": "292144",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Diphenylamine and its derivatives; salts thereof",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Diphenylamine and its derivatives; salts thereof"
        ]
      },
      {
        "code": "292145",
        "description": "Aromatic monoamines and their derivatives; salts thereof: 1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta- naphthylamine) and their derivatives; salts thereof",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "1-Naphthylamine (alpha-naphthylamine), 2-naphthylamine (beta- naphthylamine) and their derivatives; salts thereof"
        ]
      },
      {
        "code": "292146",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereof",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Amfetamine (INN), benzfetamine (INN), dexamfetamine (INN), etilamfetamine (INN), fencamfamin (INN), lefetamine (INN), levamfetamine (INN), mefenorex (INN) and phentermine (INN); salts thereof"
        ]
      },
      {
        "code": "292149",
        "description": "Aromatic monoamines and their derivatives; salts thereof: Other",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Other"
        ]
      },
      {
        "code": "292151",
        "description": "Aromatic polyamines and their derivatives; salts thereof: o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof",
        "levels": [
          "Aromatic polyamines and their derivatives; salts thereof",
          "o-, m-, p-Phenylenediamine, diaminotoluenes, and their derivatives; salts thereof"
        ]
      },
      {
        "code": "292159",
        "description": "Aromatic polyamines and their derivatives; salts thereof: Other",
        "levels": [
          "Aromatic polyamines and their derivatives; salts thereof",
          "Other"
        ]
      }
    ],
    "otherHeadings": [
      {
        "code": "2901",
        "description": "Acyclic hydrocarbons"
      },
      {
        "code": "2902",
        "description": "Cyclic hydrocarbons"
      },
      {
        "code": "2903",
        "description": "Halogenated derivatives of hydrocarbons"
      },
      {
        "code": "2904",
        "description": "Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated"
      },
      {
        "code": "2905",
        "description": "Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2906",
        "description": "Cyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2907",
        "description": "Phenols; phenol-alcohols"
      },
      {
        "code": "2908",
        "description": "Halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols"
      },
      {
        "code": "2909",
        "description": "Ethers, ether-alcohols, ether-phenols, ether-alcohol-phenols, alcohol peroxides, ether peroxides, acetal and hemiacetal peroxides, ketone peroxides (whether or not chemically defined), and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2910",
        "description": "Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2911",
        "description": "Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2912",
        "description": "Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde"
      },
      {
        "code": "2913",
        "description": "Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12"
      },
      {
        "code": "2914",
        "description": "Ketones and quinones, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2915",
        "description": "Saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2916",
        "description": "Unsaturated acyclic monocarboxylic acids, cyclic monocarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2917",
        "description": "Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2918",
        "description": "Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2919",
        "description": "Phosphoric esters and their salts, including lactophosphates; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2920",
        "description": "Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and their salts; their halogenated, sulphonated, nitrated or nitrosated derivatives"
      },
      {
        "code": "2922",
        "description": "Oxygen-function amino-compounds"
      },
      {
        "code": "2923",
        "description": "Quaternary ammonium salts and hydroxides; lecithins and other phosphoaminolipids, whether or not chemically defined"
      },
      {
        "code": "2924",
        "description": "Carboxyamide-function compounds; amide-function compounds of carbonic acid"
      },
      {
        "code": "2925",
        "description": "Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds"
      },
      {
        "code": "2926",
        "description": "Nitrile-function compounds"
      },
      {
        "code": "2927",
        "description": "Diazo-, azo- or azoxy-compounds"
      },
      {
        "code": "2928",
        "description": "Organic derivatives of hydrazine or of hydroxylamine"
      },
      {
        "code": "2929",
        "description": "Compounds with other nitrogen function"
      },
      {
        "code": "2930",
        "description": "Organo-sulphur compounds"
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      {
        "code": "2931",
        "description": "Other organo-inorganic compounds"
      },
      {
        "code": "2932",
        "description": "Heterocyclic compounds with oxygen hetero-atom(s) only"
      },
      {
        "code": "2933",
        "description": "Heterocyclic compounds with nitrogen hetero-atom(s) only"
      },
      {
        "code": "2934",
        "description": "Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds"
      },
      {
        "code": "2935",
        "description": "Sulphonamides"
      },
      {
        "code": "2936",
        "description": "Provitamins and vitamins, natural or reproduced by synthesis (including natural concentrates), derivatives thereof used primarily as vitamins, and intermixtures of the foregoing, whether or not in any solvent"
      },
      {
        "code": "2937",
        "description": "Hormones, prostaglandins, thromboxanes and leukotrienes, natural or reproduced by synthesis; derivatives and structural analogues thereof, including chain modified polypeptides, used primarily as hormones"
      },
      {
        "code": "2938",
        "description": "Glycosides, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives"
      },
      {
        "code": "2939",
        "description": "Alkaloids, natural or reproduced by synthesis, and their salts, ethers, esters and other derivatives"
      },
      {
        "code": "2940",
        "description": "Sugars, chemically pure, other than sucrose, lactose, maltose, glucose and fructose; sugar ethers, sugar acetals and sugar esters, and their salts, other than products of heading 2937, 2938 or 2939"
      },
      {
        "code": "2941",
        "description": "Antibiotics"
      },
      {
        "code": "2942",
        "description": "Other organic compounds"
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      "description": "Oxygen-function amino-compounds",
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