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thallium-199

isotope of thallium
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thallium-199

Summary

thallium-199 is an isotope of thallium[1].

Key Facts

  • thallium-199's instance of is recorded as isotope of thallium[2].
  • thallium-199's CAS Registry Number is recorded as 15064-66-1[3].
  • thallium-199's canonical SMILES is recorded as [Tl][4].
  • thallium-199's InChI is recorded as InChI=1S/Tl/i1-5[5].
  • thallium-199's InChIKey is recorded as BKVIYDNLLOSFOA-FTXFMUIASA-N[6].
  • thallium-199's chemical formula is recorded as Tl[7].
  • thallium-199's subclass of is recorded as thallium[8].
  • thallium-199's ChemSpider ID is recorded as 4892257[9].
  • thallium-199's PubChem CID is recorded as 6337571[10].
  • thallium-199's ChEBI ID is recorded as 37805[11].
  • thallium-199's decays to is recorded as mercury-199[12].
  • thallium-199's decays to is recorded as mercury-199[13].
  • thallium-199's atomic number is recorded as {'unit': '1', 'amount': '+81'}[14].
  • thallium-199's spin quantum number is recorded as {'unit': '1', 'amount': '+0.5'}[15].
  • thallium-199's parity quantum number is recorded as {'unit': '1', 'amount': '+1'}[16].
  • thallium-199's neutron number is recorded as {'unit': '1', 'amount': '+118'}[17].
  • thallium-199's Gmelin number is recorded as 1491863[18].
  • thallium-199's isomeric SMILES is recorded as [199Tl][19].
  • thallium-199's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q483261', 'amount': '+198.96988'}[20].
  • thallium-199's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q483261', 'amount': '+198.969877'}[21].
  • thallium-199's half-life is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+7.42'}[22].
  • thallium-199's binding energy is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '+1570881.523'}[23].
  • thallium-199's mass excess is recorded as {'unit': 'http://www.wikidata.org/entity/Q28719934', 'amount': '-28059.394'}[24].
  • thallium-199's SureChEMBL ID is recorded as 29569986[25].
  • thallium-199's Wolfram Language entity code is recorded as Entity["Isotope", "Thallium199"][26].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . ChEBI. Retrieved . commonchemistry.cas.org. Provenance: wikidata.org.
  3. [4] ↑ . PubChem. Retrieved . wikidata.org.
  4. [5] ↑ . PubChem. Retrieved . wikidata.org.
  5. [6] ↑ . PubChem. Retrieved . wikidata.org.
  6. [7] ↑ . PubChem. Retrieved . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Q2311683. Retrieved . wikidata.org.
  9. [10] ↑ . PubChem. Retrieved . wikidata.org.
  10. [11] ↑ . ChEBI. Retrieved . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  15. [16] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . PubChem. Retrieved . wikidata.org.
  19. [20] ↑ . PubChem. Retrieved . wikidata.org.
  20. [21] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  21. [22] ↑ . NuDat. Retrieved . nndc.bnl.gov. Provenance: wikidata.org.
  22. [23] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  23. [24] ↑ . The AME2016 atomic mass evaluation (I). Evaluation of input data; and adjustment procedures. Retrieved . amdc.in2p3.fr. Provenance: wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). thallium-199. Retrieved May 3, 2026, from https://4ort.xyz/entity/thallium-199
MLA “thallium-199.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/thallium-199.
BibTeX @misc{4ortxyz_thallium-199_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{thallium-199}}, year = {2026}, url = {https://4ort.xyz/entity/thallium-199}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): thallium-199 — https://4ort.xyz/entity/thallium-199 (retrieved 2026-05-03)

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