{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/hydrochloric-acid",
  "slug": "hydrochloric-acid",
  "name": "Hydrochloric acid",
  "identifiers": {
    "e_number": "E507",
    "ins_number": "507",
    "cas_number": "7647-01-0",
    "inchikey": "VEXZGXHMUGYJMC-UHFFFAOYSA-N",
    "pubchem_cid": 313
  },
  "functional_class": "Acidity regulator",
  "summary": "Hydrochloric acid is used as a processing aid and acidity regulator, chiefly to hydrolyse proteins and starches and to adjust pH during manufacture. It is generally neutralised before the food is finished.",
  "derivation_summary": "Produced industrially by combining hydrogen and chlorine, or as a by-product of organic chlorination. It is the same acid the stomach produces.",
  "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 182.1057",
            "url": "https://www.ecfr.gov/current/title-21/section-182.1057"
          },
          "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": 2,
      "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 507",
            "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": "13.2",
            "name": "Complementary foods for infants and young children"
          },
          "max_level": null,
          "max_level_unit": "GMP",
          "conditions": "GSFA notes: XS73",
          "effective_from": "2023",
          "citation": {
            "ref": "CXS 192-1995 Table One, INS 507, food category 13.2",
            "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": "7647-01-0",
      "type": "cas",
      "source": "openfoodtox"
    },
    {
      "name": "4-D Bowl Sanitizer",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acid, Hydrochloric",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acid, Muriatic",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acide chlorhydrique",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acido clorhidrico",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acido cloridrico",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acidum hydrochloricum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Acidum Muriaticum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Anhydrous hydrochloric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Anhydrous hydrogen chloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Aqueous hydrogen chloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Baume hcl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Bowl Cleaner",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 486",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloorwaterstof",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "chlorane",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "chlorhydric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloride, Hydrogen",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorohydric acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorowodor",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "chlorure d'hydrogene",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorure d'hydrogene anhydre",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chloruro de hidrogeno",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Chlorwasserstoff",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "cloruro de hidrogeno",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cloruro de hidrogeno anhidro",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Deuterium-chloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E 507",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Emulsion Bowl Cleaner",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Enplate po 236",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 045901",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Funoran",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HCl",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HEMMORHOIDS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 545",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrochloric acid",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Hydrochloric acid gas",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrochloric acid, ACS reagent, 37%",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrochloric acid, anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "hydrochloricacid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrogen chloride",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Hydrogen chloride (acid)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrogen chloride (gas only)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrogen chloride (HCl)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrogen Chloride - Methanol Reagent",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hydrogenchlorid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hygeia Creme Magic Bowl Cleaner",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Icon etch",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS NO.507",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "INS-507",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Marine acid",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "mono hydrochloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "monohydrochloride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Muriatic acid",
      "type": "common",
      "source": "openfoodtox"
    },
    {
      "name": "Muriaticum acidum",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Percleen Bowl and Urinal Cleaner",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "UN 1050 (anhydrous)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "UN 2186 (refrigerated liquefied gas)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "White Emulsion Bowl Cleaner",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "E507",
      "type": "e_number",
      "source": "openfoodtox"
    },
    {
      "name": "507",
      "type": "ins",
      "source": "gsfa"
    },
    {
      "name": "hydrogen chloride",
      "type": "iupac",
      "source": "openfoodtox"
    },
    {
      "name": "Hydrochloric 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"
    },
    {
      "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, \"Hydrochloric acid\", https://foodadditiveindex.com/additives/hydrochloric-acid. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.559Z"
}