{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/tricalcium-silicate",
  "slug": "tricalcium-silicate",
  "name": "Tricalcium silicate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": null,
    "inchikey": "BCAARMUWIRURQS-UHFFFAOYSA-N",
    "pubchem_cid": 25523
  },
  "functional_class": null,
  "summary": "Tricalcium silicate is an anticaking agent, used to keep table salt and powdered products flowing.",
  "derivation_summary": "Produced by fusing lime with silica. It is also the principal compound of Portland cement.",
  "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 182.2906",
            "url": "https://www.ecfr.gov/current/title-21/section-182.2906"
          },
          "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": "12168-85-3",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "alite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Biodentine",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "C3S (Cement component)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ca3SiO5",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium orthosilicate--(oxido)calcium (2/1/1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium oxide silicate (Ca3O(SiO4))",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium silicate (Ca3SiO5)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium silicon oxide (Ca3SiO5)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "dicalcium;oxocalcium;silicate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 880",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natural alite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Silicic acid (H6SiO5), calcium salt (1:3)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Silicic acid (H6SiO5), tricalcium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TRICALCIUM SILICATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tricalcium silicon pentaoxide",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tricalcium silicate",
      "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, \"Tricalcium silicate\", https://foodadditiveindex.com/additives/tricalcium-silicate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.754Z"
}