{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/sulfuric-acid",
  "slug": "sulfuric-acid",
  "name": "Sulfuric acid",
  "identifiers": {
    "e_number": "E513",
    "ins_number": null,
    "cas_number": "7664-93-9",
    "inchikey": "QAOWNCQODCNURD-UHFFFAOYSA-N",
    "pubchem_cid": 1118
  },
  "functional_class": null,
  "summary": "Sulfuric acid is an acidity regulator and processing aid, used to adjust pH in food processing and in producing other additives.",
  "derivation_summary": "Produced industrially by the contact process from sulfur or sulfide ores. It is the highest-tonnage industrial chemical in the world.",
  "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 184.1095",
            "url": "https://www.ecfr.gov/current/title-21/section-184.1095"
          },
          "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": "12772-98-4",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "7664-93-9",
      "type": "cas",
      "source": "ecfr"
    },
    {
      "name": "-sulfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "0.5M Sulphuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "4.1M Sulfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acide sulfurique",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acido solforico",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acido sulfurico",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acidum sulfuricum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acidum Sulphuricum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Anhydrous sulfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Battery acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "BOV",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Brimstone acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 815",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Colds Flu",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dihydrogen sulfate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dihydrogen sulphate",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "dihydroxidodioxidosulfur",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dipping acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 513",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Electrolyte acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 078001",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "G-sulfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 1811",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.513",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-513",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Matting acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Mattling acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Nordhausen acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "O40UQP6WCF",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Oil of vitriol",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Opsonat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Oriental Medicine Detox",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Retinol Impurity A",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Schwefelsaeure",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Schwefelsaeureloesungen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "suIfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "suiphuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sulfur acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfur oxide (SO4)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SULFURIC ACID",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid (aqueous)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid (NF)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid 30%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid 36%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid 50%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid, 60%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric Acid, 96%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric Acid, ACS Grade",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid, ACS reagent, 95.0-98.0%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulfuric acid, spent",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sulfuric aicd",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sulfuric-acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sulfuricacid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "sulphur-ic acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulphuric acid",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Sulphuric acid, dilute",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sulphuricum acidum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "tetraoxosulfuric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Zwavelzuuroplossingen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E513",
      "type": "e_number",
      "source": "openfoodtox"
    },
    {
      "name": "sulfuric acid",
      "type": "iupac",
      "source": "openfoodtox"
    },
    {
      "name": "Sulfuric acid",
      "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, \"Sulfuric acid\", https://foodadditiveindex.com/additives/sulfuric-acid. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.731Z"
}