{
  "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": "3a4be65b-a1a9-4535-9e83-abbcb624e3a5",
          "code": "SEC-BUTYL ETHYL ETHER",
          "comments": "JECFA|FUNCTIONAL CLASSIFICATION|Flavouring Agent",
          "type": "PRIMARY",
          "url": "http://apps.who.int/food-additives-contaminants-jecfa-database/chemical.aspx?chemID=4033",
          "code_system": "JECFA EVALUATION",
          "references": [
            "6fab9218-7ca6-4e37-94f7-49ac1cc41e2e"
          ]
        },
        {
          "uuid": "d07eea48-e7dd-459a-9c9a-8f214bc5032c",
          "code": "2679-87-0",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=2679-87-0",
          "code_system": "CAS",
          "references": [
            "6fab9218-7ca6-4e37-94f7-49ac1cc41e2e",
            "4a157e28-8613-44e6-90b0-9f28a4b37f10"
          ]
        },
        {
          "uuid": "6e90dca7-445e-41ff-99ed-164171d68073",
          "code": "220-234-9",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.018.395",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "6fab9218-7ca6-4e37-94f7-49ac1cc41e2e"
          ]
        },
        {
          "uuid": "7e08d32e-710a-4490-8baf-8bd0b7af77d4",
          "code": "17586",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/17586",
          "code_system": "PUBCHEM",
          "references": [
            "6fab9218-7ca6-4e37-94f7-49ac1cc41e2e"
          ]
        },
        {
          "uuid": "48219fa2-f9dd-43c0-b337-4da247771e4f",
          "code": "9NHX6V19XI",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "81e1a6a9-aab9-b8e3-c481-b100fd936f06",
          "code": "1240",
          "type": "PRIMARY",
          "url": "https://www.fao.org/food/food-safety-quality/scientific-advice/jecfa/jecfa-flav/details/en/c/1240/",
          "code_system": "JECFA MONOGRAPH",
          "references": [
            "1fc665f9-a6f2-df0a-372e-a8b71f1f1eb2"
          ]
        },
        {
          "uuid": "e0f9a465-e699-1dc3-f267-151846af8cbb",
          "code": "DTXSID30863009",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID30863009",
          "code_system": "EPA CompTox",
          "references": [
            "3afc04f1-8388-0933-6a95-fbc5e4422f54"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "a8b7fb1c-f1fe-4db1-af40-41c8f9790367",
          "name": "(±)-2-ETHOXYBUTANE",
          "stdName": "(+/-)-2-ETHOXYBUTANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0051ecd0-f834-472c-92a2-f360f00842c9",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        },
        {
          "uuid": "d5a67d2a-1bcc-47cc-a249-c50c194baecf",
          "name": "2-ETHOXYBUTANE",
          "stdName": "2-ETHOXYBUTANE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e541b17d-884c-4ff2-807c-2259a907368e",
            "adee1702-e5f6-4e8e-b536-654e8e1fc745"
          ],
          "display_name": true
        },
        {
          "uuid": "110f7cb3-7c77-4833-b9d7-af85fbbc09d1",
          "name": "2-ETHOXYBUTANE, (±)-",
          "stdName": "2-ETHOXYBUTANE, (+/-)-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0051ecd0-f834-472c-92a2-f360f00842c9",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        },
        {
          "uuid": "296eee94-1801-4778-b764-9ab15a9acbed",
          "name": "BUTANE, 2-ETHOXY-",
          "stdName": "BUTANE, 2-ETHOXY-",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "52e7468a-ccc0-48ad-a795-3b230542e6b0",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        },
        {
          "uuid": "16c27023-bde0-419f-b861-e7d23293bc3d",
          "name": "ETHER, SEC-BUTYL ETHYL",
          "stdName": "ETHER, SEC-BUTYL ETHYL",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "52e7468a-ccc0-48ad-a795-3b230542e6b0",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        },
        {
          "uuid": "d91ad5ed-497f-4904-82c6-7fcc72a6c489",
          "name": "ETHYL SEC-BUTYL ETHER",
          "stdName": "ETHYL SEC-BUTYL ETHER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "52e7468a-ccc0-48ad-a795-3b230542e6b0",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        },
        {
          "uuid": "ece661ec-5b43-4d28-8b19-66cc5686ee49",
          "name": "FEMA NO. 3131",
          "stdName": "FEMA NO. 3131",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e541b17d-884c-4ff2-807c-2259a907368e",
            "adee1702-e5f6-4e8e-b536-654e8e1fc745"
          ],
          "display_name": false
        },
        {
          "uuid": "2d62f34a-b13b-4b4a-a6da-2723bfa2c7f3",
          "name": "SEC-BUTYL ETHYL ETHER",
          "stdName": "SEC-BUTYL ETHYL ETHER",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d8652502-227d-4e07-83eb-fcfe5e95eef0",
            "52e7468a-ccc0-48ad-a795-3b230542e6b0",
            "e541b17d-884c-4ff2-807c-2259a907368e",
            "35c0b50e-ac02-4c31-aef0-e091e35df126"
          ],
          "display_name": false
        },
        {
          "uuid": "b31515e1-909b-409b-9215-0a7630d6ce84",
          "name": "SEC-BUTYL ETHYL ETHER [FHFI]",
          "stdName": "SEC-BUTYL ETHYL ETHER [FHFI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "d8652502-227d-4e07-83eb-fcfe5e95eef0",
            "e541b17d-884c-4ff2-807c-2259a907368e"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "adee1702-e5f6-4e8e-b536-654e8e1fc745",
          "citation": "CHEMID",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "e541b17d-884c-4ff2-807c-2259a907368e",
          "citation": "CHEMID",
          "doc_type": "CHEMID",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "52e7468a-ccc0-48ad-a795-3b230542e6b0",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "d8652502-227d-4e07-83eb-fcfe5e95eef0",
          "citation": "FHFI",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0051ecd0-f834-472c-92a2-f360f00842c9",
          "citation": "FDA_SRS",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "6fab9218-7ca6-4e37-94f7-49ac1cc41e2e",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391217000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "44f15bf5-cb71-4cd6-9999-132a4cecc6b0",
          "citation": "SRS import [9NHX6V19XI]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=9NHX6V19XI",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493391217000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "35c0b50e-ac02-4c31-aef0-e091e35df126",
          "citation": "SEC-BUTYL ETHYL ETHER [FHFI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "4a157e28-8613-44e6-90b0-9f28a4b37f10",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        },
        {
          "uuid": "3afc04f1-8388-0933-6a95-fbc5e4422f54",
          "citation": "EPA CompTox",
          "doc_type": "EPA",
          "public_domain": true
        },
        {
          "uuid": "1fc665f9-a6f2-df0a-372e-a8b71f1f1eb2",
          "citation": "JECFA",
          "doc_type": "JECFA",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "367b56ca-aeaf-43f6-bc77-5d67687a228a",
          "id": "367b56ca-aeaf-43f6-bc77-5d67687a228a",
          "molfile": "\n  Marvin  01132102542D          \n\n  7  6  0  0  0  0            999 V2000\n    2.7330  -13.3454    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4846  -13.6876    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1610  -13.2108    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8969  -13.5550    0.0000 C   0  0  0  0  0  0  0  0  0  3  0  0\n    4.9780  -14.3620    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5733  -13.0764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3249  -13.4146    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  2  1  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  3  1  0  0  0  0\n  4  5  1  0  0  0  0\n  4  6  1  0  0  0  0\n  6  7  1  0  0  0  0\nM  END",
          "smiles": "CCC(C)OCC",
          "formula": "C6H14O",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "RACEMIC",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "d343d3b7-7d7b-4fff-88a0-ecd5904e335e"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "102.175",
          "optical_activity": "( + / - )",
          "stereo_centers": 1
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "47bdbbde-bc8d-4052-bc9c-295af9360766",
      "version": "6",
      "structure": {
        "id": "4698af7c-a2a1-42ba-bd99-1280e2f6823d",
        "molfile": "\n  Marvin  01132103422D          \n\n  7  6  0  0  0  0            999 V2000\n    2.7330  -13.3454    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    6.3249  -13.4146    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    3.4846  -13.6876    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.9780  -14.3620    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    5.5733  -13.0764    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n    4.1610  -13.2108    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0\n    4.8969  -13.5550    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0\n  3  1  1  0  0  0  0\n  5  2  1  0  0  0  0\n  6  3  1  0  0  0  0\n  7  4  1  0  0  0  0\n  7  5  1  0  0  0  0\n  7  6  1  0  0  0  0\nM  END",
        "smiles": "CCC(C)OCC",
        "formula": "C6H14O",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "RACEMIC",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "102.175",
        "optical_activity": "( + / - )",
        "references": [
          "44f15bf5-cb71-4cd6-9999-132a4cecc6b0",
          "adee1702-e5f6-4e8e-b536-654e8e1fc745"
        ],
        "stereo_centers": 1
      },
      "unii": "9NHX6V19XI"
    }
  ]
}