{
  "summary": "The United States tariff splits HS 2921.43 (aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof) into 10 national lines: 2921.43.04.00 (3-Chloro-o-toluidine; and 6-Chloro-o-toluidine), 2921.43.08.00 (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), 2921.43.15.00 (α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)), 2921.43.19.00 (α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine) and 6 others.",
  "updatedAt": "2026-10-09",
  "facts": [
    {
      "label": "HS subheading",
      "value": "2921.43",
      "source": null,
      "url": "https://border.bot/hs-codes/292143"
    },
    {
      "label": "National lines",
      "value": "10",
      "source": null
    },
    {
      "label": "Tariff",
      "value": "United States",
      "source": "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false",
      "url": "https://border.bot/countries/united-states"
    },
    {
      "label": "Chapter",
      "value": "29: Organic chemicals",
      "source": null
    }
  ],
  "faq": [
    {
      "question": "How many national tariff lines does the United States tariff have under HS 2921.43?",
      "answer": "The United States tariff splits HS 2921.43 (aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof) into 10 national lines: 2921.43.04.00 (3-Chloro-o-toluidine; and 6-Chloro-o-toluidine), 2921.43.08.00 (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), 2921.43.15.00 (α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)), 2921.43.19.00 (α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine) and 6 others."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "United States lines under 2921.43",
      "text": [
        "The United States tariff splits HS 2921.43 (aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof) into 10 national lines: 2921.43.04.00 (3-Chloro-o-toluidine; and 6-Chloro-o-toluidine), 2921.43.08.00 (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), 2921.43.15.00 (α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)), 2921.43.19.00 (α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine) and 6 others."
      ]
    },
    {
      "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."
      ]
    }
  ],
  "data": {
    "type": "country-subheading",
    "country": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "schedule": {
      "code": "US",
      "name": "United States",
      "slug": "united-states"
    },
    "borrowed": false,
    "localTaxes": [],
    "localDeminimis": [],
    "ratesLive": true,
    "provenance": [
      {
        "dataset": "US:hs",
        "country": "US",
        "kind": "hs",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:50.043Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:rates",
        "country": "US",
        "kind": "rates",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:36.287Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      },
      {
        "dataset": "US:programmes",
        "country": "US",
        "kind": "programmes",
        "seq": 1,
        "version": "2026HTSRev21",
        "liveAt": "2026-10-09T21:15:58.040Z",
        "origin": "source",
        "sourceUrls": [
          "https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false"
        ]
      }
    ],
    "dateModified": "2026-10-09T21:15:58.040Z",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
    },
    "heading": {
      "code": "2921",
      "description": "Amine-function compounds"
    },
    "subheading": {
      "code": "292143",
      "description": "Aromatic monoamines and their derivatives; salts thereof: Toluidines and their derivatives; salts thereof"
    },
    "lines": [
      {
        "code": "2921430400",
        "description": "3-Chloro-o-toluidine; and 6-Chloro-o-toluidine",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "3-Chloro-o-toluidine; and 6-Chloro-o-toluidine"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2921430400",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "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",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "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"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2921430800",
          "dutyText": "5.8%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2921431500",
        "description": "α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "α,α,α-Trifluoro-2,6-dinitro-N,N-dipropyl-p- toluidine (Trifluralin)"
        ],
        "english": null,
        "keywords": [
          "α,α,α-Trifluoro-2,6-dinitro-p-toluidine (Trifluralin) (CAS No. 1582-09-8)"
        ],
        "lang": "en",
        "general": {
          "code": "2921431500",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2921431900",
        "description": "α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "α,α,α-Trifluoro-o-toluidine; andα,α,α-Trifluoro-6-chloro-m-toluidine"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2921431900",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2921432200",
        "description": "N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "N-Ethyl-N-(2-methyl-2-propenyl)-2,6- dinitro-4-(trifluoromethyl)benzenamine"
        ],
        "english": null,
        "keywords": [
          "N-Ethyl-N-(2-methyl-2-propenyl)-2,6-dinitro-4-(trifluor- omethyl)benzenamine (Ethalfluralin) (CAS No. 55283-68-6)"
        ],
        "lang": "en",
        "general": {
          "code": "2921432200",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A",
                "label": "a group of origins (origin group A)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "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)"
        ],
        "english": null,
        "keywords": [],
        "lang": "en",
        "general": {
          "code": "2921432400",
          "dutyText": "Free",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2921434000",
        "description": "Products described in additional U.S. note 3 to section VI",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "Other",
          "Products described in additional U.S. note 3 to section VI"
        ],
        "english": null,
        "keywords": [
          "p-Toluidine (CAS No. 106-49-0)"
        ],
        "lang": "en",
        "general": {
          "code": "2921434000",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
              },
              {
                "code": "JO",
                "label": "United States-Jordan Free Trade Area Implementation Act"
              },
              {
                "code": "KR",
                "label": "United States-Korea Free Trade Agreement Implementation Act"
              },
              {
                "code": "MA",
                "label": "United States-Morocco Free Trade Agreement Implementation Act"
              },
              {
                "code": "OM",
                "label": "United States-Oman Free Trade Agreement Implementation Act"
              },
              {
                "code": "P",
                "label": "Dominican Republic-Central America-United States Free Trade Agreement"
              },
              {
                "code": "PA",
                "label": "United States-Panama Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "PE",
                "label": "United States-Peru Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "S",
                "label": "United States-Mexico-Canada Agreement"
              },
              {
                "code": "SG",
                "label": "United States-Singapore Free Trade Agreement"
              }
            ]
          }
        ],
        "measures": [],
        "restrictions": []
      },
      {
        "code": "2921439020",
        "description": "2-Chloro-p-toluidine-5-sulfonic acid (CAS No. 88-51-7)",
        "levels": [
          "Aromatic monoamines and their derivatives; salts thereof",
          "Toluidines and their derivatives; salts thereof",
          "Other",
          "Other",
          "2-Chloro-p-toluidine-5-sulfonic acid (CAS No. 88-51-7)"
        ],
        "english": null,
        "keywords": [
          "N-Butyl-N-ethyl-α,α,α-trifluoro-2,6-dinitro-p-toluidine (Benfluralin) (CAS No. 1861-40-1)",
          "o-Chloro-p-toluidine (3-chloro-4-methylaniline) (CAS No. 95-74-9)",
          "m-Toluidine (CAS No.108-44-1)",
          "o-Toluidine (CAS No. 95-53-4)",
          "N-sec-Butyl-4-(2-methyl-2-propanyl)-2,6-dinitroaniline (Butralin) (CAS No. 33629-47-9)"
        ],
        "lang": "en",
        "general": {
          "code": "29214390",
          "dutyText": "6.5%",
          "startDate": null,
          "endDate": null,
          "unit": null
        },
        "preferences": [
          {
            "dutyText": "Free",
            "origins": [
              {
                "code": "A+",
                "label": "a group of origins (origin group A+)"
              },
              {
                "code": "AU",
                "label": "United States-Australia Free Trade Agreement"
              },
              {
                "code": "BH",
                "label": "United States-Bahrain Free Trade Agreement Implementation Act"
              },
              {
                "code": "CL",
                "label": "United States-Chile Free Trade Agreement"
              },
              {
                "code": "CO",
                "label": "United States-Colombia Trade Promotion Agreement Implementation Act"
              },
              {
                "code": "D",
                "label": "African Growth and Opportunity Act"
              },
              {
                "code": "E",
                "label": "Caribbean Basin Economic Recovery Act"
              },
              {
                "code": "IL",
                "label": "United States-Israel Free Trade Area"
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