{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/zinc-sulfate",
  "slug": "zinc-sulfate",
  "name": "Zinc sulfate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": null,
    "inchikey": "NWONKYPBYAMBJT-UHFFFAOYSA-L",
    "pubchem_cid": 24424
  },
  "functional_class": null,
  "summary": "Zinc sulfate is a zinc fortificant, the most soluble and cheapest of the common zinc sources.",
  "derivation_summary": "Produced by dissolving zinc or zinc oxide in sulfuric 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 182.8997",
            "url": "https://www.ecfr.gov/current/title-21/section-182.8997"
          },
          "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": "7733-02-0",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "Bonazen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bufopto zinc sulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 927",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 3664",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chinese Pharmacopoeia 0.05M Zinc Sulphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "component of Phenylzin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 089001",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 1063",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Medizinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Neozin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "O4SZn",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "OP-Thal-zin",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Optised",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Optraex",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Orazinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Prefrin-Z",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Reagecon Zinc Sulphate 0.1M according to United States Pharmacopoeia (USP)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Salvazinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Solfato di Zinco",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Solvezinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Solvezink",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sootheye",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfate de zinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfate, Zinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfato de cinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfato de zinco",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid zinc salt (VAN)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid, zinc salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid, zinc salt (1:1)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "USP Solution Zinc Sulfate 0.0500 Molar Conforms to USP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Verazinc",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Visine-ac",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "White copperas",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "White vitriol",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "White vitriol (VAN)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Z Span",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zindole",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zink-Gro",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zinklet",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zinkosite",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zn sulf co",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "ZnSO4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zinc sulfate",
      "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, \"Zinc sulfate\", https://foodadditiveindex.com/additives/zinc-sulfate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.782Z"
}