{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/copper-gluconate",
  "slug": "copper-gluconate",
  "name": "Copper gluconate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": "527-09-3",
    "inchikey": "OCUCCJIRFHNWBP-IYEMJOQQSA-L",
    "pubchem_cid": 10692
  },
  "functional_class": null,
  "summary": "Copper gluconate is a copper source in fortified foods and supplements. Copper is an essential trace element with a narrow gap between requirement and excess.",
  "derivation_summary": "Made by reacting a copper salt with fermentation-derived gluconic acid.",
  "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 184.1260",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1260"
          },
          "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": "527-09-3",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "Bis(D-gluconato)copper",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bis(D-gluconato-kappaO1,kappaO2)copper",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bis(D-gluconato-O1,O2)copper",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bis(D-gluconic acid)copper(II) salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "C12H22CuO14",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 3652",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chelates of copper gluconate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "COPPER (AS GLUCONATE)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper D-gluconate (1:2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper di-D-gluconate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper gluconate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "COPPER GLUCONATE (MART.)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "COPPER GLUCONATE (USP MONOGRAPH)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper gluconate (USP)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper(2+) D-gluconate, (1:2)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper(2+) di(D-gluconate)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "copper(2+) ion bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoate)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper(II) (2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper(II) D-gluconate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper(II) gluconate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper, bi",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper, bis (D-gluconato-O(sup 1),O(sup 2))-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper, bis(D-gluconato)-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper, bis(D-gluconato-kappaO1,kappaO2)-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper, bis(D-gluconato-O1,O2)-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "copper;(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CUPRIC GLUCONATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cupric gluconate monohydrate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CUPRUM GLUCONICUM",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "D-Gluconic acid copper (II) salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gluconate, Copper",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gluconates",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gluconic Acid Copper(II) Salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gluconic acid, copper(2+) salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Gluconic acid, copper(2+) salt (2:1), D-",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 261",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Pleo Cup",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Copper;(2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoate",
      "type": "iupac",
      "source": "openfoodtox"
    },
    {
      "name": "Copper gluconate",
      "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, \"Copper gluconate\", https://foodadditiveindex.com/additives/copper-gluconate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.486Z"
}