{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/calcium-hexametaphosphate",
  "slug": "calcium-hexametaphosphate",
  "name": "Calcium hexametaphosphate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": null,
    "inchikey": "KRSIWAJXDVVKLZ-UHFFFAOYSA-H",
    "pubchem_cid": 61479
  },
  "functional_class": null,
  "summary": "Calcium hexametaphosphate is a sequestrant and emulsifying salt, tying up metal ions and helping proteins hold water.",
  "derivation_summary": "Produced by heating calcium phosphate into a long-chain polyphosphate glass.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted",
      "status_label": "Permitted",
      "provision_count": 1,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 182.6203",
            "url": "https://www.ecfr.gov/current/title-21/section-182.6203"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        }
      ]
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "not_listed",
      "status_label": "Not listed",
      "note": "Does not appear on this jurisdiction’s permitted list. That is not the same as being prohibited.",
      "provision_count": 0,
      "provisions": []
    }
  ],
  "names": [
    {
      "name": "10102-76-8",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "Calcium hexametaphosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Metaphosphoric acid (H6P6O18), calcium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tricalcium 2,4,6,8,10,12-hexaoxo-2lambda~5~,4lambda~5~,6lambda~5~,8lambda~5~,10lambda~5~,12lambda~5~-cyclohexaphosphoxane-2,4,6,8,10,12-hexakis(olate)",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "Calcium hexametaphosphate",
      "type": "label",
      "source": "ecfr"
    }
  ],
  "hazard_reference_values": [],
  "sources": [
    {
      "key": "ecfr",
      "name": "Electronic Code of Federal Regulations, Title 21",
      "publisher": "U.S. Government Publishing Office / National Archives",
      "licence": "Public domain",
      "url": "https://www.ecfr.gov/api/versioner/v1/full/2026-08-31/title-21.xml",
      "retrieved_at": "2026-09-07T18:25:51.549Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Calcium hexametaphosphate\", https://foodadditiveindex.com/additives/calcium-hexametaphosphate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.449Z"
}