{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/sodium-pyrophosphate",
  "slug": "sodium-pyrophosphate",
  "name": "Sodium pyrophosphate",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": null,
    "inchikey": "FQENQNTWSFEDLI-UHFFFAOYSA-J",
    "pubchem_cid": 24403
  },
  "functional_class": null,
  "summary": "Sodium pyrophosphate is a raising agent acid, sequestrant and emulsifying salt. In baking powder it reacts slowly enough that a batter can sit before it goes in the oven.",
  "derivation_summary": "Produced by heating sodium phosphate to condense two phosphate groups together.",
  "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 182.6787",
            "url": "https://www.ecfr.gov/current/title-21/section-182.6787"
          },
          "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": "1004291-85-3",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "7722-88-5",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "Anhydrous tetrasodium pyrophosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Caswell No. 847",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Diphosphoric acid tetrasodium",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Diphosphoric acid, sodium salt (1:4)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Diphosphoric acid, tetrasodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "EPA Pesticide Chemical Code 076405",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "HSDB 854",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Natrium pyrophosphat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Phosphotex",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "PYP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Pyrophosphoric acid tetrasodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium diphosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium diphosphate (Na4(P2O7))",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium diphosphate (Na4P2O7)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium diphosphate tetrabasic",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium diphosphate, anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium phosphate (Na4P2O7)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate (Na4P2O7)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate (USAN)",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate anydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate, tetrabasic",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "SODIUMPYROPHOSPHATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "tetra sodium pyrophosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tetranatriumpyrophosphat",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "tetrasodium (phosphonooxy)phosphonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tetrasodium diphosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TETRASODIUM PYROPHOSPHATE",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tetrasodium pyrophosphate, anhydride",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tetrasodium pyrophosphate, anhydrous",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Tetrasodium Pyrophosphoate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "tetrasodium;phosphonato phosphate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "TSPP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "V34 Colour Corrector",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Victor TSPP",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Sodium pyrophosphate",
      "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, \"Sodium pyrophosphate\", https://foodadditiveindex.com/additives/sodium-pyrophosphate. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.702Z"
}