{
  "summary": "HS code 2815.12 covers sodium hydroxide (caustic soda), in aqueous solution (soda lye or liquid soda). It sits in heading 28.15 (sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium) 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 28.15 are classified under 2815.11 (sodium hydroxide (caustic soda), solid), 2815.20 (potassium hydroxide (caustic potash)) or 2815.30 (peroxides of sodium or potassium). National tariff lines under 2815.12 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": "2815.12",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Sodium hydroxide (caustic soda), in aqueous solution (soda lye or liquid soda)",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "28.15: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/2815"
    },
    {
      "label": "Chapter",
      "value": "28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/28"
    },
    {
      "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/281512"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 2815.12 cover?",
      "answer": "HS code 2815.12 covers sodium hydroxide (caustic soda), in aqueous solution (soda lye or liquid soda)."
    },
    {
      "question": "Which heading and chapter is HS code 2815.12 in?",
      "answer": "HS code 2815.12 is in heading 28.15 (sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium) 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 28.15 classified when 2815.12 doesn’t fit?",
      "answer": "Other goods of heading 28.15 are classified under 2815.11 (sodium hydroxide (caustic soda), solid), 2815.20 (potassium hydroxide (caustic potash)) or 2815.30 (peroxides of sodium or potassium)."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 2815.12?",
      "answer": "National tariff lines under 2815.12 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 2815.12 covers sodium hydroxide (caustic soda), in aqueous solution (soda lye or liquid soda).",
        "The legal text of the subheading is “Sodium hydroxide (caustic soda): In aqueous solution (soda lye or liquid soda)”, read under “Sodium hydroxide (caustic soda)”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 28.15 are classified under 2815.11 (sodium hydroxide (caustic soda), solid), 2815.20 (potassium hydroxide (caustic potash)) or 2815.30 (peroxides of sodium or potassium)."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "2815.12 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2815, are heading 28.15; the last two, 12, 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 2815.12 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."
      ]
    }
  ],
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    },
    "heading": {
      "code": "2815",
      "description": "Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium"
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    "subheading": {
      "code": "281512",
      "description": "Sodium hydroxide (caustic soda): In aqueous solution (soda lye or liquid soda)",
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      "english": null,
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      {
        "code": "281511",
        "description": "Sodium hydroxide (caustic soda): Solid"
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        "code": "281520",
        "description": "Potassium hydroxide (caustic potash)"
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        "code": "281530",
        "description": "Peroxides of sodium or potassium"
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        "name": "United States",
        "slug": "united-states",
        "lines": 1,
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        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
        "version": "mytraddal hs2022.csv (HS 2022)",
        "liveAt": "2026-10-11T06:04:17.693Z",
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  "code": "281512",
  "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. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.",
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