{
  "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": "d9519d27-6b04-4ba7-bfa7-0593e2cef87b",
          "code": "16919-19-0",
          "type": "PRIMARY",
          "url": "https://commonchemistry.cas.org/detail?cas_rn=16919-19-0",
          "code_system": "CAS",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563",
            "302f2740-11bc-40ff-ae69-ca981822fcf7"
          ]
        },
        {
          "uuid": "460d3170-0326-49c9-a902-c7b09eaa4d30",
          "code": "75301",
          "comments": "EPA PESTICIDE|CONVENTIONAL CHEMICAL",
          "type": "PRIMARY",
          "url": "http://iaspub.epa.gov/apex/pesticides/f?p=CHEMICALSEARCH:3:0::NO:21,3,31,7,12,25:P3_XCHEMICAL_ID:1211",
          "code_system": "EPA PESTICIDE CODE",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563"
          ]
        },
        {
          "uuid": "ed1ad1f8-4ba7-46c2-86ae-6b8b23cad608",
          "code": "240-968-3",
          "type": "PRIMARY",
          "url": "https://echa.europa.eu/substance-information/-/substanceinfo/100.037.229",
          "code_system": "ECHA (EC/EINECS)",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563"
          ]
        },
        {
          "uuid": "695bc19a-864a-4aee-8246-4f9ab57968a1",
          "code": "314494",
          "comments": "RxNorm",
          "type": "PRIMARY",
          "url": "https://rxnav.nlm.nih.gov/REST/rxcui/314494/allProperties.xml?prop=all",
          "code_system": "RXCUI",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563"
          ]
        },
        {
          "uuid": "d4bdcbe1-2dcc-4cf7-8c04-e94b9946e711",
          "code": "m1794",
          "comments": "Merck Index",
          "type": "PRIMARY",
          "url": "https://merckindex.rsc.org/monographs/m1794?q=authorize",
          "code_system": "MERCK INDEX",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563"
          ]
        },
        {
          "uuid": "7d02f4f5-0875-419f-82f2-7a96ece411fd",
          "code": "28145",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/compound/28145",
          "code_system": "PUBCHEM",
          "references": [
            "16b231f0-a0b5-4e43-a73b-b49c64a28563"
          ]
        },
        {
          "uuid": "4f1b9250-18eb-5c59-55f8-6e4c0da2dc47",
          "code": "472",
          "type": "PRIMARY",
          "url": "https://pubchem.ncbi.nlm.nih.gov/source/hsdb/472",
          "code_system": "HSDB",
          "references": [
            "49276cbd-0ad7-c1d7-082c-1ef39942ed65"
          ]
        },
        {
          "uuid": "8af27951-7baa-9a97-cc08-f5d2c80c75bc",
          "code": "DTXSID6047076",
          "type": "PRIMARY",
          "url": "https://comptox.epa.gov/dashboard/chemical/details/DTXSID6047076",
          "code_system": "EPA CompTox",
          "references": [
            "fe787ccb-a8ab-a88a-2a33-fba89ab90e8a"
          ]
        },
        {
          "uuid": "b067c4c4-e9c6-4587-8a37-cc1019650a01",
          "code": "1X545W620G",
          "type": "PRIMARY",
          "code_system": "FDA UNII"
        },
        {
          "uuid": "e12666bc-d57f-9985-8104-19321d900ee4",
          "code": "Ammonium fluorosilicate",
          "type": "PRIMARY",
          "url": "https://en.wikipedia.org/wiki/Ammonium_fluorosilicate",
          "code_system": "WIKIPEDIA",
          "references": [
            "0c02f2b7-45f1-14c5-4791-a363ce837e53"
          ]
        },
        {
          "uuid": "b798eb3b-3fa5-5284-8d61-92246383eb6b",
          "code": "310005",
          "type": "PRIMARY",
          "url": "https://dtp.cancer.gov/dtpstandard/servlet/dwindex?searchtype=NSC&outputformat=html&searchlist=310005",
          "code_system": "NSC",
          "references": [
            "bbc95d4c-f269-e202-9952-3b7905ad8e10"
          ]
        }
      ],
      "substance_class": "chemical",
      "names": [
        {
          "uuid": "3d967bcc-458a-4f30-92cc-9891a3cbf788",
          "name": "AMMONIUM FLUOSILICATE",
          "stdName": "AMMONIUM FLUOSILICATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "c1e9c122-bc79-4468-92bf-fbe53ef0b2d4",
          "name": "AMMONIUM HEXAFLUOROSILICATE",
          "stdName": "AMMONIUM HEXAFLUOROSILICATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "0e7f44e4-dd9f-4c26-b8c9-0d688523cfb3",
            "f7204ac9-c377-4640-99fc-c7a978097d33",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": true
        },
        {
          "uuid": "c229dfca-f021-4f44-b0e4-51be32ac2762",
          "name": "AMMONIUM HEXAFLUOROSILICATE [MI]",
          "stdName": "AMMONIUM HEXAFLUOROSILICATE [MI]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f7204ac9-c377-4640-99fc-c7a978097d33",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "adbc2c4d-689a-4b9c-9b82-0aac4e246fc8",
          "name": "AMMONIUM SILICOFLUORIDE",
          "stdName": "AMMONIUM SILICOFLUORIDE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "10be457d-e364-4e67-8153-445643ff8fe5",
            "e7131ee6-2dd3-4cfe-9d73-25e1373fcd7f",
            "64712c8c-73a0-4146-88a8-23a3c514209b",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf",
            "575f6b05-880c-4d32-8bcc-3dcd1ec2d7f9"
          ],
          "display_name": false
        },
        {
          "uuid": "0b801a82-0bf3-4575-b402-bdb5831f3951",
          "name": "AMMONIUM SILICOFLUORIDE [HSDB]",
          "stdName": "AMMONIUM SILICOFLUORIDE [HSDB]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "e7131ee6-2dd3-4cfe-9d73-25e1373fcd7f",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "c10c349e-b3a1-433f-bd20-c278f3f39485",
          "name": "AMMONIUM SILICOFLUORIDE [VANDF]",
          "stdName": "AMMONIUM SILICOFLUORIDE [VANDF]",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "575f6b05-880c-4d32-8bcc-3dcd1ec2d7f9",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "78295bab-c192-4c5a-915d-702338d5aa9f",
          "name": "DIAMMONIUM HEXAFLUOROSILICATE",
          "stdName": "DIAMMONIUM HEXAFLUOROSILICATE",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "a7aceed8-2f3a-434b-bb7b-691d9151a48f",
          "name": "DIAMMONIUM HEXAFLUOROSILICATE(2-)",
          "stdName": "DIAMMONIUM HEXAFLUOROSILICATE(2-)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "9d863d21-1107-409a-ab24-6099b484f332",
          "name": "DIAMMONIUM SILICON HEXAFLUORIDE",
          "stdName": "DIAMMONIUM SILICON HEXAFLUORIDE",
          "type": "sys",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "b49a7725-8b5c-4914-aa57-9b86c061006c",
          "name": "HEXAFLUOROSILICATE(2-) AMMONIUM (1:2)",
          "stdName": "HEXAFLUOROSILICATE(2-) AMMONIUM (1:2)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "f7204ac9-c377-4640-99fc-c7a978097d33",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "35b20f18-f2cd-4d14-abab-404fd6797d9a",
          "name": "NSC-310005",
          "stdName": "NSC-310005",
          "type": "cd",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "35a54d8c-a79c-49c9-be10-e8484ced7a3a",
          "name": "SILICATE(2-), HEXAFLUORO-, AMMONIUM (1:2)",
          "stdName": "SILICATE(2-), HEXAFLUORO-, AMMONIUM (1:2)",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        },
        {
          "uuid": "5765ba8d-7e8e-4864-8dec-f9638d81f6a3",
          "name": "SILICATE(2-), HEXAFLUORO-, DIAMMONIUM",
          "stdName": "SILICATE(2-), HEXAFLUORO-, DIAMMONIUM",
          "type": "cn",
          "languages": [
            "en"
          ],
          "preferred": false,
          "references": [
            "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
            "cb92b419-59ae-4a31-aa79-0eab839b29bf"
          ],
          "display_name": false
        }
      ],
      "references": [
        {
          "uuid": "16b231f0-a0b5-4e43-a73b-b49c64a28563",
          "citation": "SRS CODE IMPORT",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389703000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "87b8f89d-dcfb-4d27-bd97-b5d5b110c9f6",
          "citation": "SRS import [1X545W620G]",
          "url": "http://fdasis.nlm.nih.gov/srs/srsdirect.jsp?regno=1X545W620G",
          "doc_type": "SRS",
          "public_domain": true,
          "document_date": 1493389703000,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "0e7f44e4-dd9f-4c26-b8c9-0d688523cfb3",
          "citation": "AMMONIUM HEXAFLUOROSILICATE [MI]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "64712c8c-73a0-4146-88a8-23a3c514209b",
          "citation": "AMMONIUM SILICOFLUORIDE [HSDB]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "10be457d-e364-4e67-8153-445643ff8fe5",
          "citation": "AMMONIUM SILICOFLUORIDE [VANDF]",
          "doc_type": "SRS_LOCATOR",
          "public_domain": true
        },
        {
          "uuid": "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
          "citation": "STN",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE",
            "AUTO_SELECTED"
          ]
        },
        {
          "uuid": "cb92b419-59ae-4a31-aa79-0eab839b29bf",
          "citation": "STN (SCIFINDER)",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "f7204ac9-c377-4640-99fc-c7a978097d33",
          "citation": "MERCK",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "e7131ee6-2dd3-4cfe-9d73-25e1373fcd7f",
          "citation": "HSDB",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "575f6b05-880c-4d32-8bcc-3dcd1ec2d7f9",
          "citation": "NDF-RT",
          "doc_type": "SRS",
          "public_domain": true,
          "tags": [
            "NOMEN"
          ]
        },
        {
          "uuid": "49276cbd-0ad7-c1d7-082c-1ef39942ed65",
          "citation": "WEBSITE",
          "url": "https://toxnet.nlm.nih.gov/cgi-bin/sis/search2/r?dbs+hsdb:@term+@rn+@rel+16919-19-0",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "fe787ccb-a8ab-a88a-2a33-fba89ab90e8a",
          "citation": "WEBSITE",
          "url": "https://comptox.epa.gov/dashboard/dsstoxdb/results?utf8=%E2%9C%93&search=16919-19-0",
          "doc_type": "WEBSITE",
          "public_domain": true,
          "tags": [
            "NOMEN",
            "PUBLIC_DOMAIN_RELEASE"
          ]
        },
        {
          "uuid": "0c02f2b7-45f1-14c5-4791-a363ce837e53",
          "citation": "WIKI",
          "doc_type": "WIKI",
          "public_domain": true
        },
        {
          "uuid": "bbc95d4c-f269-e202-9952-3b7905ad8e10",
          "citation": "NCI",
          "doc_type": "NCI DRUG DICTIONARY",
          "public_domain": true
        },
        {
          "uuid": "302f2740-11bc-40ff-ae69-ca981822fcf7",
          "citation": "STN",
          "doc_type": "STN (SCIFINDER)",
          "public_domain": true
        }
      ],
      "definition_type": "PRIMARY",
      "moieties": [
        {
          "uuid": "b33f3332-bb6a-4a32-807a-fe6b7f5a43f7",
          "id": "b33f3332-bb6a-4a32-807a-fe6b7f5a43f7",
          "molfile": "\n  Marvin  01132109172D          \n\n  1  0  0  0  0  0            999 V2000\n    1.7681   -2.6630    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0\nM  END",
          "smiles": "N",
          "formula": "H3N",
          "atropisomerism": "No",
          "charge": 0,
          "count": 2,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 2,
            "units": "MOL RATIO",
            "uuid": "a295bf2a-7ca9-4377-b7e2-8672889f8762"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "17.0305",
          "optical_activity": "NONE",
          "stereo_centers": 0
        },
        {
          "uuid": "6fb991da-6197-44cb-ad37-4501d5eaeadb",
          "id": "6fb991da-6197-44cb-ad37-4501d5eaeadb",
          "molfile": "\n  Marvin  01132105482D          \n\n  7  6  0  0  0  0            999 V2000\n    5.9169   -2.3733    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2024   -2.7858    0.0000 Si  0  0  0  0  0  0  0  0  0  0  0  0\n    4.4880   -2.3733    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4880   -3.1983    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2024   -1.9608    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2024   -3.6108    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9169   -3.1983    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n  1  2  1  0  0  0  0\n  3  2  1  0  0  0  0\n  4  2  1  0  0  0  0\n  5  2  1  0  0  0  0\n  6  2  1  0  0  0  0\n  7  2  1  0  0  0  0\nM  END",
          "smiles": "F[Si](F)(F)(F)(F)F",
          "formula": "F6Si",
          "atropisomerism": "No",
          "charge": 0,
          "count": 1,
          "stereochemistry": "ACHIRAL",
          "count_amount": {
            "type": "MOL RATIO",
            "average": 1,
            "units": "MOL RATIO",
            "uuid": "46fd383c-c79f-4edb-a016-029b411bc6cb"
          },
          "defined_stereo": 0,
          "ez_centers": 0,
          "molecular_weight": "142.0758",
          "optical_activity": "NONE",
          "stereo_centers": 0
        }
      ],
      "definition_level": "COMPLETE",
      "uuid": "6285b4ab-69b5-4cb6-b42d-0cc72941bda6",
      "version": "8",
      "structure": {
        "id": "8d21b1ce-f3b7-4475-8834-5fb27e5f4bcf",
        "molfile": "\n  Marvin  01132107202D          \n\n  9  6  0  0  0  0            999 V2000\n    5.2024   -2.7858    0.0000 Si  0  6  0  0  0  0  0  0  0  0  0  0\n    5.9169   -2.3733    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4880   -2.3733    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    4.4880   -3.1983    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2024   -1.9608    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.2024   -3.6108    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    5.9169   -3.1983    0.0000 F   0  0  0  0  0  0  0  0  0  0  0  0\n    1.7681   -2.6630    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n    1.7681   -2.6630    0.0000 N   0  3  0  0  0  0  0  0  0  0  0  0\n  3  1  1  0  0  0  0\n  4  1  1  0  0  0  0\n  5  1  1  0  0  0  0\n  6  1  1  0  0  0  0\n  7  1  1  0  0  0  0\n  2  1  1  0  0  0  0\nM  CHG  3   1  -2   8   1   9   1\nM  STY  1   1 MUL\nM  SCN  1   1 HT \nM  SAL   1  2   8   9\nM  SPA   1  1   8\nM  SDI   1  4    1.3481   -3.0830    1.3481   -2.2430\nM  SDI   1  4    2.1881   -2.2430    2.1881   -3.0830\nM  SMT   1 2\nM  END",
        "smiles": "F[Si-2](F)(F)(F)(F)F.[NH4+].[NH4+]",
        "formula": "F6Si.2H4N",
        "atropisomerism": "No",
        "charge": 0,
        "count": 1,
        "stereochemistry": "ACHIRAL",
        "defined_stereo": 0,
        "ez_centers": 0,
        "molecular_weight": "178.1527",
        "optical_activity": "NONE",
        "references": [
          "42bfe291-29e2-4dc9-bc28-50ea8bb73e16",
          "87b8f89d-dcfb-4d27-bd97-b5d5b110c9f6"
        ],
        "stereo_centers": 0
      },
      "unii": "1X545W620G"
    }
  ]
}