{
  "$schema": "https://foodadditiveindex.com/api/v1/schema.json",
  "id": "https://foodadditiveindex.com/additives/fd-and-c-red-no-4",
  "slug": "fd-and-c-red-no-4",
  "name": "FD&C Red No. 4",
  "identifiers": {
    "e_number": null,
    "ins_number": null,
    "cas_number": null,
    "inchikey": "ONTQJDKFANPPKK-UHFFFAOYSA-L",
    "pubchem_cid": 62542
  },
  "functional_class": null,
  "summary": "FD&C Red No. 4 is a synthetic dye no longer permitted in food in the United States. After being delisted for general food use it survived for years in one product only — maraschino cherries — before that permission lapsed too.",
  "derivation_summary": "A synthetic azo dye produced from petroleum-derived aromatic intermediates. Its history is a useful reminder that a listing can narrow to a single food before disappearing, rather than ending all at once.",
  "regulatory_status": [
    {
      "jurisdiction": "US",
      "jurisdiction_name": "United States",
      "authority": "Food and Drug Administration",
      "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": []
    },
    {
      "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": "4548-53-2",
      "type": "cas",
      "source": "pubchem"
    },
    {
      "name": "1-Naphthalenesulfonic acid, 4-hydroxy-3-((6-sulfo-2,4-xylyl)azo)-, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "12101 Red",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1306 Red",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "2-(6-Sulfo-2,4-xylylazo)-1-naphthol-4-sulfonic acid, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "2-(6-Sulpho-2,4-xylylazo)-1-naphthol-4-sulphonic acid, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "3-((2,4-DIMETHYL-5-SULFOPHENYL)AZO)-4-HYDROXY-1-NAPHTHALENESULFO",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "4-Hydroxy-3-((5-sulfo-2,4-xylyl)azo)-1-naphthalenesulfonic acid, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "4-Hydroxy-3-((5-sulpho-2,4-xylyl)azo)-1-naphthalenesulphonic acid, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "4R purple",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "AKA504",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "C.I. Food Red 1",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "C.I. Food Red 1, disodium salt",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "CCRIS 3188",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Certicol Ponceau SXS",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Cerven potravinarska 1 [Czech]",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Crimson 4R",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "D&C RED NO. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disodium 2-(5-sulfo-2,4-xylylazo)-1-naphthol-4-sulfonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Disodium 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonate",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dye FD & C Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Dye FD and C Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Edicol Supra Ponceau SX",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FD & C Red no. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FD and C Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FD&C Red 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FD&C Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "fd&c red no. 4 (c.i. 14700 (Na))",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FD&C Red No. 4 - Aluminium Lake",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "FDC RED NO. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Food red 1",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "GRRDBTDTMCTWQZ-ZAWKPCBGSA-L",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Hexacol Ponceau SX",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Maple Ponceau SX",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ponceau SX",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ponceau SX Lake",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ponceau SX, AldrichCPR",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Ponceau SX, analytical standard",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Purple 4R",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Red 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Red Lake 89865N",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Red No. 1",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Red shade #24",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Usacert FD & C Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "Usacert Red No. 4",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "X3W0AM1JLX",
      "type": "common",
      "source": "pubchem"
    },
    {
      "name": "1-Naphthalenesulfonic acid, 3-((2,4-dimethyl-5-sulfophenyl)azo)-4-hydroxy-, disodium salt",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "1-Naphthalenesulfonic acid, 3-(2-(2,4-dimethyl-5-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:2)",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfon- ic acid, disodium salt",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "3-((2,4-Dimethyl-5-sulfophenyl)azo)-4-hydroxy-1-naphthalenesulfonic acid, disodium salt",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "3-((2,4-Dimethyl-5-sulphophenyl)azo)-4-hydroxy-1-naphthalenesulphonic acid, disodium salt",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "Disodium 3-((2,4-dimethyl-5-sulphonatophenyl)azo)-4-hydroxynaphthalene-1-sulphonate",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "disodium 3-[(E)-(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "DISODIUM 3-[(E)-2-(2,4-DIMETHYL-5-SULFONATOPHENYL)DIAZEN-1-YL]-4-HYDROXYNAPHTHALENE-1-SULFONATE",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate",
      "type": "iupac",
      "source": "pubchem"
    },
    {
      "name": "FD&C Red No. 4",
      "type": "label",
      "source": "ecfr"
    }
  ],
  "hazard_reference_values": [],
  "sources": [],
  "citation_policy": "Cite as: Food Additive Index, \"FD&C Red No. 4\", https://foodadditiveindex.com/additives/fd-and-c-red-no-4. This site reports regulatory status and does not rate additives.",
  "generated_at": "2026-09-08T00:09:38.532Z"
}