{
  "summary": "HS code 2933.61 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine. It sits in heading 29.33 (heterocyclic compounds with nitrogen hetero-atom(s) only) in chapter 29 (organic chemicals). Other goods of heading 29.33 are classified under 2933.11 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives), 2933.19 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other), 2933.21 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives), 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other) or 22 others. National tariff lines under 2933.61 are live on border.bot for the United States (1 line, also used by 1 other country).",
  "updatedAt": "2026-10-11",
  "facts": [
    {
      "label": "HS code",
      "value": "2933.61",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "29.33: Heterocyclic compounds with nitrogen hetero-atom(s) only",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/2933"
    },
    {
      "label": "Chapter",
      "value": "29: Organic chemicals",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/29"
    },
    {
      "label": "Edition",
      "value": "HS2022",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Duty in the United States",
      "value": "See its 1 line",
      "source": null,
      "url": "https://border.bot/countries/united-states/hs-codes/293361"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 2933.61 cover?",
      "answer": "HS code 2933.61 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine."
    },
    {
      "question": "Which heading and chapter is HS code 2933.61 in?",
      "answer": "HS code 2933.61 is in heading 29.33 (heterocyclic compounds with nitrogen hetero-atom(s) only) in chapter 29 (organic chemicals)."
    },
    {
      "question": "Where are goods of heading 29.33 classified when 2933.61 doesn’t fit?",
      "answer": "Other goods of heading 29.33 are classified under 2933.11 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives), 2933.19 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other), 2933.21 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives), 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other) or 22 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 2933.61?",
      "answer": "National tariff lines under 2933.61 are live on border.bot for the United States (1 line, also used by 1 other country)."
    }
  ],
  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 2933.61 covers compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine.",
        "The legal text of the subheading is “Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Melamine”, read under “Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 29.33 are classified under 2933.11 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives), 2933.19 (compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other), 2933.21 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives), 2933.29 (compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other) or 22 others."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "2933.61 is a six-digit subheading. Its first two digits, 29, are the chapter; the first four, 2933, are heading 29.33; the last two, 61, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
      ]
    },
    {
      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "National tariff lines under 2933.61 are live on border.bot for the United States (1 line, 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-subheading",
    "edition": "HS2022",
    "chapter": {
      "code": "29",
      "description": "Organic chemicals"
    },
    "heading": {
      "code": "2933",
      "description": "Heterocyclic compounds with nitrogen hetero-atom(s) only"
    },
    "subheading": {
      "code": "293361",
      "description": "Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Melamine",
      "levels": [
        "Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure",
        "Melamine"
      ],
      "english": null,
      "keywords": []
    },
    "siblings": [
      {
        "code": "293311",
        "description": "Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Phenazone (antipyrin) and its derivatives"
      },
      {
        "code": "293319",
        "description": "Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure: Other"
      },
      {
        "code": "293321",
        "description": "Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Hydantoin and its derivatives"
      },
      {
        "code": "293329",
        "description": "Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure: Other"
      },
      {
        "code": "293331",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Pyridine and its salts"
      },
      {
        "code": "293332",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Piperidine and its salts"
      },
      {
        "code": "293333",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN), remifentanil (INN) and trimeperidine (INN); salts thereof"
      },
      {
        "code": "293334",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other fentanyls and their derivatives"
      },
      {
        "code": "293335",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 3-Quinuclidinol"
      },
      {
        "code": "293336",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: 4-Anilino-N-phenethylpiperidine (ANPP)"
      },
      {
        "code": "293337",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: N-Phenethyl-4-piperidone (NPP)"
      },
      {
        "code": "293339",
        "description": "Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure: Other"
      },
      {
        "code": "293341",
        "description": "Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Levorphanol (INN) and its salts"
      },
      {
        "code": "293349",
        "description": "Compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused: Other"
      },
      {
        "code": "293352",
        "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Malonylurea (barbituric acid) and its salts"
      },
      {
        "code": "293353",
        "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof"
      },
      {
        "code": "293354",
        "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other derivatives of malonylurea (barbituric acid); salts thereof"
      },
      {
        "code": "293355",
        "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof"
      },
      {
        "code": "293359",
        "description": "Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure: Other"
      },
      {
        "code": "293369",
        "description": "Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure: Other"
      },
      {
        "code": "293371",
        "description": "Lactams: 6-Hexanelactam (epsilon-caprolactam)"
      },
      {
        "code": "293372",
        "description": "Lactams: Clobazam (INN) and methyprylon (INN)"
      },
      {
        "code": "293379",
        "description": "Lactams: Other lactams"
      },
      {
        "code": "293391",
        "description": "Other: Alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), flurazepam (INN), halazepam (INN), lorazepam (INN), lormetazepam (INN), mazindol (INN), medazepam (INN), midazolam (INN), nimetazepam (INN), nitrazepam (INN), nordazepam (INN), oxazepam (INN), pinazepam (INN), prazepam (INN), pyrovalerone (INN), temazepam (INN), tetrazepam (INN) and triazolam (INN); salts thereof"
      },
      {
        "code": "293392",
        "description": "Other: Azinphos-methyl (ISO)"
      },
      {
        "code": "293399",
        "description": "Other: Other"
      }
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