Radioactive Isotopes and Their Half-Lives - CSV

code,slug,name,description,atomicNumber,category,decayMode,halfLife_seconds,halfLife_unit,halfLife_value,massNumber,symbol
001,tellurium-128,Tellurium-128,The radioactive isotope with the longest known half-life.,52,naturally-occurring,double beta decay,6.94e+31,×10²⁴ years,2.2,128,Te-128
002,xenon-136,Xenon-136,A noble gas isotope that undergoes double beta decay.,54,naturally-occurring,double beta decay,7.51e+28,×10²¹ years,2.38,136,Xe-136
003,thorium-232,Thorium-232,"The parent nuclide of the thorium series, abundantly present on Earth.",90,naturally-occurring,alpha decay,445000000000000000,×10¹⁰ years,1.41,232,Th-232
004,uranium-238,Uranium-238,The main component of natural uranium and parent nuclide of the uranium series.,92,naturally-occurring,alpha decay,141000000000000000,×10⁹ years,4.47,238,U-238
005,potassium-40,Potassium-40,A radioactive isotope of potassium widely used for rock dating.,19,naturally-occurring,beta decay / electron capture,39800000000000000,×10⁹ years,1.26,40,K-40
006,uranium-235,Uranium-235,Fissile material and the primary fuel for nuclear power generation.,92,naturally-occurring,alpha decay,22200000000000000,×10⁸ years,7.04,235,U-235
007,plutonium-244,Plutonium-244,The plutonium isotope with the longest half-life.,94,transuranic,alpha decay,2610000000000000,×10⁷ years,8.26,244,Pu-244
008,iodine-129,Iodine-129,A long-lived fission product used for geological dating.,53,fission-product,beta decay,495000000000000,×10⁷ years,1.57,129,I-129
009,aluminum-26,Aluminum-26,Produced by cosmic rays and used for meteorite dating.,13,cosmogenic,beta decay / electron capture,22600000000000,×10⁵ years,7.17,26,Al-26
010,carbon-14,Carbon-14,The most famous isotope that forms the basis of radiocarbon dating.,6,cosmogenic,beta decay,181000000000,years,5730,14,C-14
011,plutonium-239,Plutonium-239,Fissile material used in both nuclear power and weapons.,94,transuranic,alpha decay,761000000000,years,24100,239,Pu-239
012,americium-241,Americium-241,An artificial radioactive element widely used in smoke detectors.,95,transuranic,alpha decay,13600000000,years,432.2,241,Am-241
013,radium-226,Radium-226,"A famous radioactive element discovered by Marie Curie, once used in medicine.",88,naturally-occurring,alpha decay,50500000000,years,1600,226,Ra-226
014,cesium-137,Cesium-137,"A fission product used in medicine and industry, but also a concern for environmental contamination.",55,fission-product,beta decay,952000000,years,30.17,137,Cs-137
015,strontium-90,Strontium-90,"A fission product that easily accumulates in bones, important for environmental monitoring.",38,fission-product,beta decay,909000000,years,28.8,90,Sr-90
016,tritium,Tritium,A radioactive isotope of hydrogen used in fusion research and luminous watch dials.,1,cosmogenic,beta decay,388000000,years,12.3,3,H-3
017,cobalt-60,Cobalt-60,An artificial radioactive isotope widely used as a radiation source for cancer treatment.,27,artificial,beta decay,166000000,years,5.27,60,Co-60
018,iridium-192,Iridium-192,A gamma source widely used for industrial radiographic testing.,77,artificial,beta decay,6380000,days,73.8,192,Ir-192
019,iodine-131,Iodine-131,A nuclear medicine radioisotope used for thyroid diagnosis and treatment.,53,fission-product,beta decay,695000,days,8.04,131,I-131
020,molybdenum-99,Molybdenum-99,"The parent nuclide of Technetium-99m, forming the foundation of nuclear medicine diagnostics.",42,fission-product,beta decay,237000,hours,65.9,99,Mo-99
021,technetium-99m,Technetium-99m,The most widely used radioisotope in nuclear medicine diagnostics.,43,artificial,isomeric transition,21600,hours,6.01,99,Tc-99m
022,fluorine-18,Fluorine-18,A positron-emitting nuclide used in PET scans.,9,artificial,positron emission,6588,minutes,109.8,18,F-18
023,radon-222,Radon-222,A naturally occurring radioactive gas that causes indoor air pollution.,86,naturally-occurring,alpha decay,330000,days,3.82,222,Rn-222
024,polonium-210,Polonium-210,Emits strong alpha radiation and was once used in static eliminators.,84,naturally-occurring,alpha decay,12000000,days,138.4,210,Po-210
025,bismuth-213,Bismuth-213,An alpha source used in targeted alpha therapy for cancer treatment.,83,artificial,beta decay / alpha decay,2736,minutes,45.6,213,Bi-213
026,actinium-225,Actinium-225,A promising radioisotope used in targeted alpha therapy.,89,artificial,alpha decay,855000,days,9.9,225,Ac-225
027,lutetium-177,Lutetium-177,A beta source used for treating neuroendocrine tumors.,71,artificial,beta decay,575000,days,6.65,177,Lu-177
028,yttrium-90,Yttrium-90,A beta source used for liver cancer treatment (SIRT).,39,fission-product,beta decay,231000,hours,64.1,90,Y-90
029,phosphorus-32,Phosphorus-32,Used for malignant tumor treatment and biological research.,15,artificial,beta decay,1240000,days,14.3,32,P-32
030,sodium-24,Sodium-24,Used for blood flow measurement and industrial flow measurement.,11,artificial,beta decay,54000,hours,15,24,Na-24
031,gallium-68,Gallium-68,A positron-emitting nuclide used in PET scans.,31,artificial,positron emission,4080,minutes,68,68,Ga-68
032,copper-64,Copper-64,A versatile nuclide used for both PET imaging and radionuclide therapy.,29,artificial,beta decay / positron emission / electron capture,45720,hours,12.7,64,Cu-64
033,astatine-211,Astatine-211,A rare halogen element used in targeted alpha therapy.,85,artificial,alpha decay / electron capture,25920,hours,7.2,211,At-211
034,lead-212,Lead-212,An intermediate nuclide of the thorium series used in targeted radionuclide therapy.,82,naturally-occurring,beta decay,38160,hours,10.6,212,Pb-212
035,thorium-229,Thorium-229,A thorium isotope used in nuclear clock research.,90,naturally-occurring,alpha decay,232000000000,years,7340,229,Th-229
036,protactinium-231,Protactinium-231,A long-lived radionuclide used for dating ocean circulation.,91,naturally-occurring,alpha decay,1030000000000,years,32760,231,Pa-231
037,neptunium-237,Neptunium-237,"The parent nuclide of the neptunium series, present in spent nuclear fuel.",93,transuranic,alpha decay,67500000000000,×10⁶ years,2.14,237,Np-237
038,curium-247,Curium-247,The curium isotope with the longest half-life.,96,transuranic,alpha decay,492000000000000,×10⁷ years,1.56,247,Cm-247
039,einsteinium-252,Einsteinium-252,The einsteinium isotope with the longest half-life.,99,transuranic,alpha decay,40800000,days,471.7,252,Es-252
040,californium-251,Californium-251,The californium isotope with the longest half-life.,98,transuranic,alpha decay,28300000000,years,898,251,Cf-251