Record Information |
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Version | 2.0 |
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Creation Date | 2009-03-06 18:58:05 UTC |
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Update Date | 2014-12-24 20:21:07 UTC |
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Accession Number | T3D0108 |
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Identification |
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Common Name | Uranium-235 |
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Class | Small Molecule |
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Description | Uranium-235 is an isotope of uranium. Uranium is a chemical element that has the symbol U and atomic number 92. It is a normal part of rocks, soil, air, and water, and occurs in nature in the form of minerals. Natural uranium is a mixture of three radioactive isotopes called uranium-234, uranium-235, and uranium-238. Uranium-235 is used as a fuel for nuclear reactors and nuclear weapons. Uranium is also used as a colorant in uranium glass, producing orange-red to lemon yellow hues. (4, 5) |
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Compound Type | - Industrial/Workplace Toxin
- Inorganic Compound
- Metal
- Natural Compound
- Pollutant
- Radioactive
- Radioactive Isotope
- Uranium Compound
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Chemical Structure | |
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Synonyms | Synonym | 235U | Uranium, isotope of mass 235 |
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Chemical Formula | U |
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Average Molecular Mass | 235.044 g/mol |
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Monoisotopic Mass | 235.044 g/mol |
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CAS Registry Number | 15117-96-1 |
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IUPAC Name | (²³⁵U)uranium |
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Traditional Name | (²³⁵U)uranium |
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SMILES | [235U] |
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InChI Identifier | InChI=1S/U/i1-3 |
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InChI Key | InChIKey=JFALSRSLKYAFGM-OIOBTWANSA-N |
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Chemical Taxonomy |
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Description | belongs to the class of inorganic compounds known as homogeneous actinide compounds. These are inorganic compounds containing only metal atoms,with the largest atom being a transition metal atom. |
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Kingdom | Inorganic compounds |
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Super Class | Homogeneous metal compounds |
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Class | Homogeneous actinide compounds |
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Sub Class | Not Available |
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Direct Parent | Homogeneous actinide compounds |
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Alternative Parents | Not Available |
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Substituents | |
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Molecular Framework | Not Available |
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External Descriptors | Not Available |
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Biological Properties |
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Status | Detected and Not Quantified |
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Origin | Exogenous |
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Cellular Locations | |
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Biofluid Locations | Not Available |
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Tissue Locations | Not Available |
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Pathways | Not Available |
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Applications | Not Available |
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Biological Roles | Not Available |
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Chemical Roles | Not Available |
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Physical Properties |
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State | Solid |
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Appearance | Silver metallic solid. |
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Experimental Properties | Property | Value |
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Melting Point | Not Available | Boiling Point | Not Available | Solubility | Not Available | LogP | Not Available |
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Predicted Properties | |
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Spectra |
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Spectra | Spectrum Type | Description | Splash Key | Deposition Date | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Positive | splash10-000i-0090000000-a08750056dcd1f8256d8 | 2016-08-01 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Positive | splash10-000i-0090000000-a08750056dcd1f8256d8 | 2016-08-01 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Positive | splash10-000i-0090000000-a08750056dcd1f8256d8 | 2016-08-01 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 10V, Negative | splash10-000i-0090000000-3fb4c1c9553adb3b3917 | 2016-08-03 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 20V, Negative | splash10-000i-0090000000-3fb4c1c9553adb3b3917 | 2016-08-03 | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - 40V, Negative | splash10-000i-0090000000-3fb4c1c9553adb3b3917 | 2016-08-03 | View Spectrum |
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Toxicity Profile |
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Route of Exposure | Oral (5) ; inhalation (5) ; dermal (5) ; radiation (5) |
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Mechanism of Toxicity | Uranium is combined with either bicarbonate or a plasma protein in the blood but once in the kidney, it is released and forms complexes with phosphate ligands and proteins in the tubular wall, causing damage. Uranium may also inhibit both sodium transport-dependent and independent ATP utilization and mitochondrial oxidative phosphorylation in the renal proximal tubule. Uranium causes respiratory diseases by damaging alveolar epithelium type II cells in the lungs. Uranium induces c-Jun N-terminal kinase (JNK) and p38 mitogen-activated protein kinase (p38 MAPK) activation, which in turn induces tumor necrosis factor alpha (TNF-alpha) secretion and generates and inflammatory response in the lungs. Studies have shown that the more soluble the uranium salt, the more toxic it is. Ionizing radiation produced by uranium damages the DNA, resulting in gene mutations and chromosomal aberrations. This can both both initiate and promote carcinogenesis, and interfere with reproduction and development. (5, 1) |
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Metabolism | Uranium is absorbed in low amounts via oral, inhalation, and dermal routes. Uranium in body fluids generally exists as the uranyl ion (UO2)2+ complexed with anions, such as citrate and bicarbonate, or plasma proteins. Uranium preferentially distributes to bone, liver, and kidney. The large majority of uranium that enters the body is not absorbed and is eliminated from the body via the urine and faeces. (4) |
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Toxicity Values | Not Available |
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Lethal Dose | Not Available |
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Carcinogenicity (IARC Classification) | 1, carcinogenic to humans. (8) |
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Uses/Sources | Uranium-235 is used as a fuel for nuclear reactors and nuclear weapons. Uranium is also used as a colorant in uranium glass, producing orange-red to lemon yellow hues. (4, 5) |
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Minimum Risk Level | Intermediate Inhalation: 0.0004 mg/m3 (Soluble uranium salts) (3)
Chronic Inhalation: 0.0003 mg/m3 (Soluble uranium salts) (3)
Intermediate Oral: 0.002 mg/kg/day (Soluble uranium salts) (3)
Intermediate Inhalation: 0.008 mg/m3 (Insoluble uranium compounds) (3) |
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Health Effects | Uranium primarily damages the kidney, but may also damage the lungs, central nervous system, and immune system. Uranium's radioactivity is believed to damage the DNA, resulting in carcinogenic effects and reproductive and developmental damage. (4, 5) |
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Symptoms | Ingestion of uranium may cause vomiting and diarrhea. Exposure to high doses of ionizing radiation results in acute radiation syndrome, which can cause skin burns, hair loss, nausea, vomiting, dizziness, disorientation, low blood pressure, headache, fatigue, weakness, fever, birth defects, illness, infection, and death. (6, 7, 4) |
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Treatment | Treatment reversing the effects of irradiation is currently not possible. Anaesthetics and antiemetics are administered to counter the symptoms of exposure, as well as antibiotics for countering secondary infections due to the resulting immune system deficiency. (7) |
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Normal Concentrations |
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| Not Available |
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Abnormal Concentrations |
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| Not Available |
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External Links |
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DrugBank ID | Not Available |
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HMDB ID | Not Available |
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PubChem Compound ID | 61784 |
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ChEMBL ID | Not Available |
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ChemSpider ID | 55671 |
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KEGG ID | Not Available |
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UniProt ID | Not Available |
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OMIM ID | |
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ChEBI ID | Not Available |
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BioCyc ID | Not Available |
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CTD ID | Not Available |
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Stitch ID | Uranium-235 |
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PDB ID | Not Available |
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ACToR ID | Not Available |
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Wikipedia Link | Not Available |
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References |
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Synthesis Reference | Not Available |
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MSDS | Not Available |
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General References | - Gazin V, Kerdine S, Grillon G, Pallardy M, Raoul H: Uranium induces TNF alpha secretion and MAPK activation in a rat alveolar macrophage cell line. Toxicol Appl Pharmacol. 2004 Jan 1;194(1):49-59. [14728979 ]
- Vidaud C, Dedieu A, Basset C, Plantevin S, Dany I, Pible O, Quemeneur E: Screening of human serum proteins for uranium binding. Chem Res Toxicol. 2005 Jun;18(6):946-53. [15962929 ]
- ATSDR - Agency for Toxic Substances and Disease Registry (2001). Minimal Risk Levels (MRLs) for Hazardous Substances. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
- Wikipedia. Uranium. Last Updated 28 May 2009. [Link]
- ATSDR - Agency for Toxic Substances and Disease Registry (1999). Toxicological profile for uranium. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
- ATSDR - Agency for Toxic Substances and Disease Registry (1999). Toxicological profile for ionizing radiation. U.S. Public Health Service in collaboration with U.S. Environmental Protection Agency (EPA). [Link]
- Wikipedia. Radiation poisoning. Last Updated 22 August 2009. [Link]
- International Agency for Research on Cancer (2014). IARC Monographs on the Evaluation of Carcinogenic Risks to Humans. [Link]
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Gene Regulation |
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Up-Regulated Genes | Not Available |
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Down-Regulated Genes | Not Available |
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