{
  "summary": "In the United States tariff, line 2921.43.24.00 covers aromatic monoamines and their derivatives; salts thereof, toluidines and their derivatives; salts thereof, 2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride). Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2921.43 in heading 29.21 (chapter 29).",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "Tariff line",
      "value": "2921.43.24.00",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Covers",
      "value": "Aromatic monoamines and their derivatives; salts thereof, toluidines and their derivatives; salts thereof, 2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Duty (MFN)",
      "value": "Free",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
    },
    {
      "label": "Additional duties",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Restrictions",
      "value": "None recorded",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
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    },
    {
      "label": "HS subheading",
      "value": "2921.43",
      "source": null,
      "url": "https://border.bot/hs-codes/292143"
    }
  ],
  "faq": [
    {
      "question": "What does tariff line 2921.43.24.00 cover in the United States tariff?",
      "answer": "In the United States tariff, line 2921.43.24.00 covers aromatic monoamines and their derivatives; salts thereof, toluidines and their derivatives; salts thereof, 2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)."
    },
    {
      "question": "What is the general (MFN) duty on 2921.43.24.00 in the United States?",
      "answer": "Goods under this line enter free of general (MFN) duty."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this line covers",
      "text": [
        "In the United States tariff, line 2921.43.24.00 covers aromatic monoamines and their derivatives; salts thereof, toluidines and their derivatives; salts thereof, 2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride).",
        "Its legal text is “2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)”, read under “Aromatic monoamines and their derivatives; salts thereof” and “Toluidines and their derivatives; salts thereof”."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "It falls under HS subheading 2921.43 in heading 29.21 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff."
      ]
    },
    {
      "id": "duty",
      "title": "Duty",
      "text": [
        "Goods under this line enter free of general (MFN) duty."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No other national tariff on border.bot has live lines under 2921.43 yet."
      ]
    },
    {
      "id": "sources",
      "title": "Sources and updates",
      "text": [
        "The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.",
        "This page was last updated on 9 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."
      ]
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      "code": "US",
      "name": "United States",
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    "ratesLive": true,
    "provenance": [
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    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
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    "heading": {
      "code": "2921",
      "description": "Amine-function compounds"
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    "subheading": {
      "code": "292143",
      "description": "Aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof"
    },
    "line": {
      "code": "2921432400",
      "description": "2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)",
      "levels": [
        "Aromatic monoamines and their derivatives; salts thereof",
        "Toluidines and their derivatives; salts thereof",
        "2-Amino-5-chloro-4-ethyl benzenesulfonic acid; 2-Amino-5-chloro-p-toluenesulfonic acid;p-Nitro-o-toluidine; and 3-(Trifluoromethyl) aniline (m-Aminobenzotrifluoride)"
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        "code": "2921432400",
        "dutyText": "Free",
        "startDate": null,
        "endDate": null,
        "unit": null
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      "measures": [],
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    "siblings": [
      {
        "code": "2921430400",
        "description": "3-Chloro-o-toluidine; and 6-Chloro-o-toluidine"
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      {
        "code": "2921430800",
        "description": "4-Chloro-o-toluidine and hydrochloride; 5-Chloro-o-toluidine; 6-Chloro-2-toluidine-4-sulfonic acid; 4-Chloro-α,α,α-trifluoro-o- toluidine; 2,6-Dichloro-m-toluidine;N,N- Dimethyl-p-toluidine;N-Ethyl-N-benzyl-m-toluidine; andN-Ethyl-o-toluidine"
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        "code": "2921431500",
        "description": "α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)"
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      {
        "code": "2921431900",
        "description": "α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine"
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      {
        "code": "2921432200",
        "description": "N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine"
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      {
        "code": "2921434000",
        "description": "Products described in additional U.S. note 3 to section VI"
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      {
        "code": "2921439020",
        "description": "2-Chloro-p-toluidine-5-sulfonic acid (CAS No. 88-51-7)"
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      {
        "code": "2921439040",
        "description": "p-Toluidine-m-sulfonic acid (CAS No. 88-44-8)"
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      {
        "code": "2921439090",
        "description": "Other"
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      "description": "N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine",
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  "notice": "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.",
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