{
  "summary": "HS code 2837.20 covers complex cyanides. It sits in heading 28.37 (cyanides, cyanide oxides and complex cyanides) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes). Other goods of heading 28.37 are classified under 2837.11 (cyanides and cyanide oxides, of sodium) and 2837.19 (cyanides and cyanide oxides, other).",
  "updatedAt": "2026-10-13",
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      "label": "HS code",
      "value": "2837.20",
      "source": "border.bot release GLOBAL:hs #1"
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    {
      "label": "Covers",
      "value": "Complex cyanides",
      "source": "border.bot release GLOBAL:hs #1"
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    {
      "label": "Heading",
      "value": "28.37: Cyanides, cyanide oxides and complex cyanides",
      "source": "border.bot release GLOBAL:hs #1",
      "url": "https://staging.border.bot/hs-codes/2837"
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      "value": "28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes",
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  "faq": [
    {
      "question": "What does HS code 2837.20 cover?",
      "answer": "HS code 2837.20 covers complex cyanides."
    },
    {
      "question": "Which heading and chapter is HS code 2837.20 in?",
      "answer": "HS code 2837.20 is in heading 28.37 (cyanides, cyanide oxides and complex cyanides) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes)."
    },
    {
      "question": "Where are goods of heading 28.37 classified when 2837.20 doesn’t fit?",
      "answer": "Other goods of heading 28.37 are classified under 2837.11 (cyanides and cyanide oxides, of sodium) and 2837.19 (cyanides and cyanide oxides, other)."
    }
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  "sections": [
    {
      "id": "covers",
      "title": "What this code covers",
      "text": [
        "HS code 2837.20 covers complex cyanides.",
        "The legal text of the subheading is “Complex cyanides”, in HS2022."
      ]
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    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 28.37 are classified under 2837.11 (cyanides and cyanide oxides, of sodium) and 2837.19 (cyanides and cyanide oxides, other)."
      ]
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      "id": "structure",
      "title": "How it is structured",
      "text": [
        "2837.20 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2837, are heading 28.37; the last two, 20, identify the subheading within the heading.",
        "Countries add their own digits after these six for their national tariff lines."
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      "id": "other-countries",
      "title": "In other countries",
      "text": [
        "No national tariff lines under 2837.20 are live on border.bot yet. Tariffs built on the Harmonized System (HS2022) use 2837.20 at six digits and add their own digits after it."
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      "text": [
        "The Harmonized System legal text comes from border.bot release 1 (edition HS 2022), imported from a file, and has been live since 13 October 2026.",
        "This page was last updated on 13 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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    }
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    "edition": "HS2022",
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    "heading": {
      "code": "2837",
      "description": "Cyanides, cyanide oxides and complex cyanides"
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      "code": "283720",
      "description": "Complex cyanides",
      "levels": [
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      "english": null,
      "keywords": []
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        "code": "283711",
        "description": "Cyanides and cyanide oxides: Of sodium"
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        "description": "Cyanides and cyanide oxides: Other"
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        "dataset": "GLOBAL:hs",
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        "version": "mytraddal hs2022.csv (HS 2022)",
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  "attribution": "border.bot tariff reference (border.bot), compiled from the official publishers named on each page.",
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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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