{ "summary": "The United States tariff splits HS 2925.29 (imines and their derivatives; salts thereof: Other) into 6 national lines: 2925.29.10.00 (N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine), 2925.29.18.00 (N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride), 2925.29.20.00 (drugs), 2925.29.60.00 (other) and 2 others. The general (MFN) duty differs by line: 6.5% on 2925.29.10.00, free on 2925.29.18.00, 6.5% on 2925.29.20.00, 6.5% on 2925.29.60.00, free on 2925.29.70.00 and 3.7% on 2925.29.90.00.", "updatedAt": "2026-10-09", "facts": [ { "label": "HS subheading", "value": "2925.29", "source": null, "url": "https://border.bot/hs-codes/292529" }, { "label": "National lines", "value": "6", "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 2925.29?", "answer": "The United States tariff splits HS 2925.29 (imines and their derivatives; salts thereof: Other) into 6 national lines: 2925.29.10.00 (N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine), 2925.29.18.00 (N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride), 2925.29.20.00 (drugs), 2925.29.60.00 (other) and 2 others." }, { "question": "What is the duty on HS 2925.29 in the United States?", "answer": "The general (MFN) duty differs by line: 6.5% on 2925.29.10.00, free on 2925.29.18.00, 6.5% on 2925.29.20.00, 6.5% on 2925.29.60.00, free on 2925.29.70.00 and 3.7% on 2925.29.90.00." } ], "sections": [ { "id": "covers", "title": "United States lines under 2925.29", "text": [ "The United States tariff splits HS 2925.29 (imines and their derivatives; salts thereof: Other) into 6 national lines: 2925.29.10.00 (N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine), 2925.29.18.00 (N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride), 2925.29.20.00 (drugs), 2925.29.60.00 (other) and 2 others.", "The general (MFN) duty differs by line: 6.5% on 2925.29.10.00, free on 2925.29.18.00, 6.5% on 2925.29.20.00, 6.5% on 2925.29.60.00, free on 2925.29.70.00 and 3.7% on 2925.29.90.00." ] }, { "id": "other-countries", "title": "In other countries", "text": [ "No other national tariff on border.bot has live lines under 2925.29 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": "2925", "description": "Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds" }, "subheading": { "code": "292529", "description": "Imines and their derivatives; salts thereof: Other" }, "lines": [ { "code": "2925291000", "description": "N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Aromatic", "N'-(4-Chloro-o-tolyl)-N,N- diemthylformamidine; Bunamidine hydrochloride; and Pentamidine" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "2925291000", "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": "2925291800", "description": "N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Aromatic", "N,N'-Diphenylguanidine; 3-Dimethyl amino methyleneiminophenol hydrochloride; 1,3-Di-o-tolylguanidine; andN,N-Dimethyl-N'-[3-[[(methylamino) carbonyl]- oxy] phenyl] methanimidamide monohydro- chloride" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "2925291800", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "2925292000", "description": "Drugs", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Aromatic", "Other", "Drugs" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "2925292000", "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": "2925296000", "description": "Other", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Aromatic", "Other", "Other" ], "english": null, "keywords": [ "1,3-Diphenylguanidine (CAS No. 102-06-7)" ], "lang": "en", "general": { "code": "2925296000", "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": "2925297000", "description": "Tetramethylguanidine", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Other", "Tetramethylguanidine" ], "english": null, "keywords": [], "lang": "en", "general": { "code": "2925297000", "dutyText": "Free", "startDate": null, "endDate": null, "unit": null }, "preferences": [], "measures": [], "restrictions": [] }, { "code": "2925299000", "description": "Other", "levels": [ "Imines and their derivatives; salts thereof", "Other", "Other", "Other" ], "english": null, "keywords": [ "Creatine (N-carbamimidoyl-N-methylglycine) (CAS No. 57-00-1)", "N-Carbamimidoylglycine (Guanidinoacetic acid) (CAS No. 352-97-6)" ], "lang": "en", "general": { "code": "2925299000", "dutyText": "3.7%", "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": [] } ], "previous": { "code": "292521", "description": "Carboxyimide-function compounds (including saccharin and its salts) and imine-function compounds", "indexable": false }, "next": { "code": "292610", "description": "Nitrile-function compounds", "indexable": false }, "otherSchedules": [], "seo": { "canonicalPath": "/countries/united-states/hs-codes/292529", "robots": "index", "sitemap": true, "reasons": [ "6 national lines" ] } }, "pagination": { "page": 1, "pages": 1, "size": 100, "total": 6, "prev": null, "next": null }, "previous": null, "next": null, "links": { "self": "https://border.bot/countries/united-states/hs-codes/292529.json", "html": "https://border.bot/countries/united-states/hs-codes/292529", "canonical": "https://border.bot/countries/united-states/hs-codes/292529", "markdown": "https://border.bot/countries/united-states/hs-codes/292529.md", "tools": { "calculator": "https://border.bot/tools/landed-cost-calculator", "classifier": "https://border.bot/tools/hs-code-classifier", "api": "https://api.border.bot/v1" } }, "code": "292529", "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.", "terms": "https://border.bot/legal/terms", "notice": "Guidance from published tariff data, not a binding ruling. 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