{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/calcium-silicate",
  "slug": "calcium-silicate",
  "name": "Calcium silicate",
  "identifiers": {
    "e_number": null,
    "ins_number": "552",
    "cas_number": "10101-39-0",
    "inchikey": "OYACROKNLOSFPA-UHFFFAOYSA-N",
    "pubchem_cid": 26370
  },
  "functional_class": "Anticaking agent",
  "summary": "Calcium silicate is an anticaking agent, used in table salt, baking powder and powdered mixes. It absorbs many times its weight in moisture, which is how it keeps a powder flowing.",
  "derivation_summary": "Produced synthetically from lime and silica, or prepared from natural silicate minerals.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 2,
      "provisions": [
        {
          "status": "permitted_with_conditions",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 172.410",
            "url": "https://www.ecfr.gov/current/title-21/section-172.410"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        },
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": null,
          "conditions": null,
          "effective_from": null,
          "citation": {
            "ref": "21 CFR 182.2227",
            "url": "https://www.ecfr.gov/current/title-21/section-182.2227"
          },
          "source": "ecfr",
          "retrieved_at": "2026-09-07T18:25:51.549Z"
        }
      ]
    },
    {
      "jurisdiction": "CODEX",
      "jurisdiction_name": "Codex Alimentarius",
      "authority": "Codex Alimentarius Commission / JECFA",
      "status": "permitted_with_conditions",
      "status_label": "Permitted, with conditions",
      "provision_count": 9,
      "provisions": [
        {
          "status": "permitted",
          "food_category": null,
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "1999",
          "citation": {
            "ref": "CXS 192-1995 Table Three, INS 552",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.5.1",
            "name": "Milk powder and cream powder (plain)"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 544 & 549",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 01.5.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.6.1",
            "name": "Unripened cheese"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 488, 563, XS273, XS275",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 01.6.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.6.2.1",
            "name": "Ripened cheese, includes rind"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 459, 461, 502, XS208, XS274, XS276, XS277",
          "effective_from": "2021",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 01.6.2.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "01.8.2",
            "name": "Dried whey and whey products, excluding whey cheeses"
          },
          "max_level": 10000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: XS331",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 01.8.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "11.1.2",
            "name": "Powdered sugar, powdered dextrose"
          },
          "max_level": 15000,
          "max_level_unit": "mg/kg",
          "conditions": "GSFA notes: 56, 465",
          "effective_from": "2019",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 11.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.1.1",
            "name": "Salt"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2006",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 12.1.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.1.2",
            "name": "Salt substitutes"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": null,
          "effective_from": "2015",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 12.1.2",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        },
        {
          "status": "permitted_with_conditions",
          "food_category": {
            "system": "codex",
            "code": "12.2.1",
            "name": "Herbs and spices"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: 534, XS326 & XS351",
          "effective_from": "2025",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 552, food category 12.2.1",
            "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/"
          },
          "source": "gsfa",
          "retrieved_at": "2026-09-07T07:54:15.059Z"
        }
      ]
    }
  ],
  "names": [
    {
      "name": "10101-39-0",
      "type": "cas",
      "source": "openfoodtox"
    },
    {
      "name": "13983-17-0",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "1250 Wollastokup 10014",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1250 Wollastokup 10224",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aedelforsite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Baysical K",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "beta-Calcium silicate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bistal",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bistal W",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-lite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-lite 100",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-lite 130",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-lite 160",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-lite F 1",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cab-O-Lite P 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium metasilicate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Calcium monosilicate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Calcium silicate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "calcium;dioxido(oxo)silane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Casiflux",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Casiflux VP 413-004",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CHC 62N10",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CHC 74N",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CHD 62N10",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dab-O-lite P 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Fibernite HG",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Florite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FPW 400",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FPW 800",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Fuwalip",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FW 200 (mineral)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gillebachite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hycon A 60",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kemolit ASB",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kemolit ASB 8",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kemolit ASB 8 K",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kemolit asb-3",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Kemolit-N",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad 10",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad 1250",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad 1250T",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad 325",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad Denacup 100G",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad G",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad G 400",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad G Wollastocoat 1001",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nyad G Wollastocoat 2075",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nycor 200",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nycor 300",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Okenite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Rivaite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Schalstein",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Silicic acid (H2SiO3), calcium salt (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tabular spar",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tremin (mineral)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Vansil W 10",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Vansil W 20",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Vansil W 30",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Vilnite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Wollastokup",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "WOLLASTONITE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Wollastonite (Ca(SiO3))",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "552",
      "type": "ins",
      "source": "gsfa"
    },
    {
      "name": "Calcium;dioxido(oxo)silane",
      "type": "iupac",
      "source": "openfoodtox"
    },
    {
      "name": "Calcium 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"
    },
    {
      "key": "gsfa",
      "name": "Codex General Standard for Food Additives (CXS 192-1995)",
      "publisher": "Codex Alimentarius Commission (FAO/WHO)",
      "licence": "FAO terms — non-commercial use with attribution",
      "url": "https://www.fao.org/fao-who-codexalimentarius/codex-texts/dbs/gsfa/en/",
      "retrieved_at": "2026-09-07T07:54:15.059Z"
    }
  ],
  "citation_policy": "Cite as: Food Additive Index, \"Calcium silicate\", https://foodadditiveindex.com/additives/calcium-silicate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.459Z"
}