{
  "summary": "HS code 2835.22 covers phosphates, of mono- or disodium. It sits in heading 28.35 (phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined) 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 28.35 are classified under 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)), 2835.24 (phosphates, of potassium), 2835.25 (phosphates, calcium hydrogenorthophosphate (“dicalcium phosphate”)), 2835.26 (phosphates, other phosphates of calcium) or 3 others. National tariff lines under 2835.22 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": "2835.22",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Covers",
      "value": "Phosphates, of mono- or disodium",
      "source": "border.bot release GLOBAL:hs #2"
    },
    {
      "label": "Heading",
      "value": "28.35: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined",
      "source": "border.bot release GLOBAL:hs #2",
      "url": "https://border.bot/hs-codes/2835"
    },
    {
      "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/283522"
    }
  ],
  "faq": [
    {
      "question": "What does HS code 2835.22 cover?",
      "answer": "HS code 2835.22 covers phosphates, of mono- or disodium."
    },
    {
      "question": "Which heading and chapter is HS code 2835.22 in?",
      "answer": "HS code 2835.22 is in heading 28.35 (phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined) 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 28.35 classified when 2835.22 doesn’t fit?",
      "answer": "Other goods of heading 28.35 are classified under 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)), 2835.24 (phosphates, of potassium), 2835.25 (phosphates, calcium hydrogenorthophosphate (“dicalcium phosphate”)), 2835.26 (phosphates, other phosphates of calcium) or 3 others."
    },
    {
      "question": "Which countries’ tariffs list national lines under HS code 2835.22?",
      "answer": "National tariff lines under 2835.22 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 2835.22 covers phosphates, of mono- or disodium.",
        "The legal text of the subheading is “Phosphates: Of mono- or disodium”, read under “Phosphates”, in HS2022."
      ]
    },
    {
      "id": "not-covered",
      "title": "What it doesn’t cover",
      "text": [
        "Other goods of heading 28.35 are classified under 2835.10 (phosphinates (hypophosphites) and phosphonates (phosphites)), 2835.24 (phosphates, of potassium), 2835.25 (phosphates, calcium hydrogenorthophosphate (“dicalcium phosphate”)), 2835.26 (phosphates, other phosphates of calcium) or 3 others."
      ]
    },
    {
      "id": "structure",
      "title": "How it is structured",
      "text": [
        "2835.22 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2835, are heading 28.35; the last two, 22, 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 2835.22 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": "28",
      "description": "Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes"
    },
    "heading": {
      "code": "2835",
      "description": "Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined"
    },
    "subheading": {
      "code": "283522",
      "description": "Phosphates: Of mono- or disodium",
      "levels": [
        "Phosphates",
        "Of mono- or disodium"
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      "english": null,
      "keywords": []
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    "siblings": [
      {
        "code": "283510",
        "description": "Phosphinates (hypophosphites) and phosphonates (phosphites)"
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      {
        "code": "283524",
        "description": "Phosphates: Of potassium"
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      {
        "code": "283525",
        "description": "Phosphates: Calcium hydrogenorthophosphate (“dicalcium phosphate”)"
      },
      {
        "code": "283526",
        "description": "Phosphates: Other phosphates of calcium"
      },
      {
        "code": "283529",
        "description": "Phosphates: Other"
      },
      {
        "code": "283531",
        "description": "Polyphosphates: Sodium triphosphate (sodium tripolyphosphate)"
      },
      {
        "code": "283539",
        "description": "Polyphosphates: Other"
      }
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        "code": "US",
        "name": "United States",
        "slug": "united-states",
        "lines": 1,
        "members": 1
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    "provenance": [
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        "dataset": "GLOBAL:hs",
        "country": "GLOBAL",
        "kind": "hs",
        "seq": 2,
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  "code": "283522",
  "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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