{
  "meta": {
    "disclaimer": "Do not rely on openFDA to make decisions regarding medical care. While we make every effort to ensure that data is accurate, you should assume all results are unvalidated. We may limit or otherwise restrict your access to the API in line with our Terms of Service.",
    "terms": "https://open.fda.gov/terms/",
    "license": "https://open.fda.gov/license/",
    "last_updated": "2025-09-19",
    "results": {
      "skip": 0,
      "limit": 1,
      "total": 1
    }
  },
  "results": [
    {
      "codes": [
        {
          "uuid": "5e787904-2484-406b-9dac-167b86f12d8f",
          "code": "101-54-2",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=101-54-2",
          "code_system": "CAS",
          "references": [
            "a04b7dd1-17e7-4555-9e59-2541d41fa42e",
            "4ce277c7-b4ea-4fda-a660-75b256ca430f"
          ]
        },
        {
          "uuid": "4b1581d5-3df8-4c97-9a78-135d47eb871d",
          "code": "202-951-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.002.684",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "a04b7dd1-17e7-4555-9e59-2541d41fa42e"
          ]
        },
        {
          "uuid": "8d88b556-160e-40c5-8830-2ad756a151a1",
          "code": "SUB33040",
          "type": "PRIMARY",
          "code_system": "EVMPD",
          "references": [
            "a04b7dd1-17e7-4555-9e59-2541d41fa42e"
          ]
        },
        {
          "uuid": "c6c168da-9945-4424-991d-561857f84576",
          "code": "7564",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/7564",
          "code_system": "PUBCHEM",
          "references": [
            "a04b7dd1-17e7-4555-9e59-2541d41fa42e"
          ]
        },
        {
          "uuid": "e889e44c-4645-a8ab-ed11-f716048d7d95",
          "code": "2178",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/2178",
          "code_system": "HSDB",
          "references": [
            "8b77833b-76ad-6673-036e-8d5342d30076"
          ]
        },
        {
          "uuid": "c98321f5-c1f8-2a5d-ea36-566b458199ba",
          "code": "DTXSID7025895",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID7025895",
          "code_system": "EPA CompTox",
          "references": [
            "2f0f21a8-8c97-0326-d953-050449bcf7ea"
          ]
        },
        {
          "uuid": "09daf4de-08c6-46a4-ad0b-b1ebed6b5f1c",
          "code": "007X4XXS71",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "6658bb6e-a715-f0c9-b984-e6d9aae855ad",
          "code": "59038",
          "type": "PRIMARY",
          "url": "https://www.ebi.ac.uk/chebi/chebiOntology.do?chebiId=CHEBI:59038",
          "code_system": "CHEBI",
          "references": [
            "47a22cd6-e6a3-ee73-67a6-b7f4dbb01c12"
          ]
        },
        {
          "uuid": "b071fd9c-a667-770d-7496-222481c44ec8",
          "code": "4-Aminodiphenylamine",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/4-Aminodiphenylamine",
          "code_system": "WIKIPEDIA",
          "references": [
            "9e27c932-e635-fefc-eb5e-442883b61576"
          ]
        },
        {
          "uuid": "05db17f0-160a-6e4e-07cd-d044232f580e",
          "code": "100000125957",
          "type": "PRIMARY",
          "code_system": "SMS_ID",
          "references": [
            "56e7d4e8-77be-0679-2990-52aacc1510a5"
          ]
        },
        {
          "uuid": "6a724fe5-50b9-dc7e-23a4-e133f114c81c",
          "code": "3401",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=3401",
          "code_system": "NSC",
          "references": [
            "03df8b05-9d08-5973-ec62-c4c027ccd633"
          ]
        }
      ],
      "relationships": [
        {
          "uuid": "a1d4b83b-4492-4f02-af52-fb2139828459",
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "6a1fa6c5-ffba-4cd1-a017-c4a567e0d18b",
            "refuuid": "66ee2558-afc1-4b87-a3a8-a3f8c7c3486b",
            "name": "N-PHENYL-P-PHENYLENEDIAMINE HYDROCHLORIDE",
            "unii": "2TS7135LI6",
            "linking_id": "2TS7135LI6",
            "ref_pname": "N-PHENYL-P-PHENYLENEDIAMINE HYDROCHLORIDE",
            "substance_class": "reference"
          }
        },
        {
          "uuid": "5f755bcc-6c6b-40dd-9d35-3a6c95aa2834",
          "type": "SALT/SOLVATE->PARENT",
          "related_substance": {
            "uuid": "875a7867-ed75-425b-9a72-e28e60c67ab9",
            "refuuid": "389c21e2-53c5-49cb-aea8-ea8826110915",
            "name": "N-PHENYL-P-PHENYLENEDIAMINE SULFATE",
            "unii": "M53XF75F63",
            "linking_id": "M53XF75F63",
            "ref_pname": "N-PHENYL-P-PHENYLENEDIAMINE SULFATE",
            "substance_class": "reference"
          }
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "8b154c75-e3ef-4a92-ab4b-269610a6896d",
          "name": "1,4-BENZENEDIAMINE, N1-PHENYL-",
          "stdName": "1,4-BENZENEDIAMINE, N1-PHENYL-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fa18d563-cafc-49d9-8dc0-5c4da498ad30",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "f40b0191-2af8-440c-b515-0482acbc9096",
          "name": "CI 76085",
          "stdName": "CI 76085",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "800344c1-d321-4cef-921d-54e5665d8e87",
          "name": "CI-76085",
          "stdName": "CI-76085",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "b7964581-c192-4f60-b497-8eebaed7ec06",
          "name": "N,4'-BIANILINE",
          "stdName": "N,4'-BIANILINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "f9903aae-0dac-4d57-90b5-3ddebfb9c0b0",
          "name": "N-PHENYL-1,4-BENZENEDIAMINE",
          "stdName": "N-PHENYL-1,4-BENZENEDIAMINE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "8395bd16-5b45-4c90-8390-b11f75e21ab1",
          "name": "N-PHENYL-P-AMINOANILINE",
          "stdName": "N-PHENYL-P-AMINOANILINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "fa18d563-cafc-49d9-8dc0-5c4da498ad30",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "2dcfeac4-d699-46df-ae6a-b166f2ab9ba3",
          "name": "N-PHENYL-P-PHENYLENEDIAMINE",
          "stdName": "N-PHENYL-P-PHENYLENEDIAMINE",
          "type": "of",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "5614f6e0-2924-472b-be79-4b3a17fef445",
            "6a0d9e98-ae23-4f99-890c-f39cc0404bab",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": true,
          "domains": [
            "cosmetic"
          ],
          "name_orgs": [
            {
              "uuid": "aa606be7-ac39-4059-b435-6971f46d61c4",
              "name_org": "INCI"
            }
          ]
        },
        {
          "uuid": "f32335ca-f88c-4043-a162-868f308bb580",
          "name": "NSC-3401",
          "stdName": "NSC-3401",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "7dae28d9-a062-4f96-9190-6f34b89caeb1",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "e9e2e0fd-f3be-4e0a-adc2-c958ab26d150",
          "name": "P-AMINODIPHENYLAMINE",
          "stdName": "P-AMINODIPHENYLAMINE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bc2a85c9-d735-41d9-95a7-9740fc3ce3fd",
            "05f4649c-9df1-45d3-8c78-7a29a2c2d9a4",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a",
            "60521411-5d1a-42f7-94ed-c133a29584fb"
          ],
          "display_name": false
        },
        {
          "uuid": "57716ed2-926d-474e-9a9a-101f7b67e7a9",
          "name": "P-AMINODIPHENYLAMINE [HSDB]",
          "stdName": "P-AMINODIPHENYLAMINE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "bc2a85c9-d735-41d9-95a7-9740fc3ce3fd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        },
        {
          "uuid": "f7cd3577-8d03-408e-b7e0-6862c4869855",
          "name": "RODOL GRAY B BASE",
          "stdName": "RODOL GRAY B BASE",
          "type": "bn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0015da31-6642-4f38-be89-99653f2fb9cd",
            "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "0015da31-6642-4f38-be89-99653f2fb9cd",
          "citation": "PCPC-DB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "13490be8-719a-4e7f-b1a2-9cbbf6a5ab3a",
          "citation": "PERSONAL CARE PRODUCTS COUNCIL",
          "doc_type": "PERSONAL CARE PRODUCTS COUNCIL",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "fa18d563-cafc-49d9-8dc0-5c4da498ad30",
          "citation": "stn",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6a0d9e98-ae23-4f99-890c-f39cc0404bab",
          "citation": "PCPC",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "bc2a85c9-d735-41d9-95a7-9740fc3ce3fd",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "05f4649c-9df1-45d3-8c78-7a29a2c2d9a4",
          "citation": "evmpd",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "7dae28d9-a062-4f96-9190-6f34b89caeb1",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "a04b7dd1-17e7-4555-9e59-2541d41fa42e",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390977000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5b36c52a-20cc-44dd-968f-7b85e0e7d463",
          "citation": "SRS import [007X4XXS71]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=007X4XXS71",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493390977000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "5614f6e0-2924-472b-be79-4b3a17fef445",
          "citation": "N-PHENYL-P-PHENYLENEDIAMINE [INCI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "60521411-5d1a-42f7-94ed-c133a29584fb",
          "citation": "P-AMINODIPHENYLAMINE [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "8b77833b-76ad-6673-036e-8d5342d30076",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+101-54-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "2f0f21a8-8c97-0326-d953-050449bcf7ea",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=101-54-2",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "56e7d4e8-77be-0679-2990-52aacc1510a5",
          "citation": "EU-SRS",
          "doc_type": "EMA LIST",
          "public_domain": true
        },
        {
          "uuid": "9e27c932-e635-fefc-eb5e-442883b61576",
          "citation": "WIKI",
          "doc_type": "WIKI",
          "public_domain": true
        },
        {
          "uuid": "4ce277c7-b4ea-4fda-a660-75b256ca430f",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "47a22cd6-e6a3-ee73-67a6-b7f4dbb01c12",
          "doc_type": "SYSTEM",
          "public_domain": true
        },
        {
          "uuid": "03df8b05-9d08-5973-ec62-c4c027ccd633",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "094eafbe-7cc3-407f-af69-a392620a9ca3",
          "id": "094eafbe-7cc3-407f-af69-a392620a9ca3",
          "molfile": "\n  Marvin  01132100452D          \n\n 14 15  0  0  0  0            999 V2000\n   -0.2165    1.2935    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2165    0.4681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9315    0.0555    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9315   -0.7734    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2147   -1.1818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2147   -2.0066    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4997   -2.4192    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2143   -2.0068    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9261   -2.4187    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9261   -3.2439    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2161   -3.6557    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4997   -3.2476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4958   -0.7697    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4958    0.0559    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  2  3  1  0  0  0  0\n 14  2  2  0  0  0  0\n  3  4  2  0  0  0  0\n  4  5  1  0  0  0  0\n  5  6  1  0  0  0  0\n  5 13  2  0  0  0  0\n  6  7  1  0  0  0  0\n  8  7  1  0  0  0  0\n  7 12  2  0  0  0  0\n  9  8  2  0  0  0  0\n 10  9  1  0  0  0  0\n 11 10  2  0  0  0  0\n 12 11  1  0  0  0  0\n 13 14  1  0  0  0  0\nM  END",
          "smiles": "c1ccc(cc1)Nc2ccc(cc2)N",
          "formula": "C12H12N2",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "3bf3a073-e236-4ea2-942c-450abe969036"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "184.2375",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "8f550386-5ade-40c1-85b5-98f85426b595",
      "version": "10",
      "structure": {
        "id": "c79dadab-9ed3-4220-994d-3a2a07e90d42",
        "molfile": "\n  Marvin  01132110192D          \n\n 14 15  0  0  0  0            999 V2000\n   -0.9315    0.0555    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.9315   -0.7734    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2147   -1.1818    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4958   -0.7697    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4958    0.0559    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2165    0.4681    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2165    1.2935    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n   -0.2147   -2.0066    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4997   -2.4192    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2143   -2.0068    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9261   -2.4187    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.9261   -3.2439    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    1.2161   -3.6557    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    0.4997   -3.2476    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  2  3  2  0  0  0  0\n  3  4  1  0  0  0  0\n  4  5  2  0  0  0  0\n  5  6  1  0  0  0  0\n  6  1  2  0  0  0  0\n  6  7  1  0  0  0  0\n  3  8  1  0  0  0  0\n  8  9  1  0  0  0  0\n 10  9  2  0  0  0  0\n 11 10  1  0  0  0  0\n 12 11  2  0  0  0  0\n 13 12  1  0  0  0  0\n 14 13  2  0  0  0  0\n  9 14  1  0  0  0  0\nM  END",
        "smiles": "c1ccc(cc1)Nc2ccc(cc2)N",
        "formula": "C12H12N2",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "184.2375",
        "optical_activity": "NONE",
        "references": [
          "5b36c52a-20cc-44dd-968f-7b85e0e7d463",
          "0015da31-6642-4f38-be89-99653f2fb9cd"
        ],
        "stereo_centers": 0
      },
      "unii": "007X4XXS71"
    }
  ]
}