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Isotopes of the Element Phosphorus

[Click for Main Data]

Most of the isotope data on this site has been obtained from the National Nuclear Data Center. Please visit their site for more information.

Naturally Occurring Isotopes

Mass NumberNatural AbundanceHalf-life
31100%STABLE

Known Isotopes

Mass NumberHalf-lifeDecay ModeBranching Percentage
24No Data AvailableElectron Capture (suspected)No Data Available
Proton Emission (suspected)No Data Available
25< 30 nanosecondsProton Emission100.00%
2643.7 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
No Data Available
27260 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
0.07%
28270.3 millisecondsElectron Capture100.00%
Electron Capture with
delayed Proton Emission
1.3×10-3 %
Electron Capture with
delayed Alpha Decay
8.6×10-4 %
294.142 secondsElectron Capture100.00%
302.498 minutesElectron Capture100.00%
31STABLE--
3214.262 daysBeta-minus Decay100.00%
3325.35 daysBeta-minus Decay100.00%
3412.43 secondsBeta-minus Decay100.00%
3547.3 secondsBeta-minus Decay100.00%
365.6 secondsBeta-minus Decay100.00%
372.31 secondsBeta-minus Decay100.00%
380.64 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
12.00%
390.28 secondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
26.00%
40125 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
15.80%
41100 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
30.00%
4248.5 millisecondsBeta-minus Decay with
delayed Neutron Emission
50.00%
Beta-minus Decay100.00%
4336.5 millisecondsBeta-minus Decay100.00%
Beta-minus Decay with
delayed Neutron Emission
100.00%
4418.5 millisecondsBeta-minus DecayNo Data Available
Beta-minus Decay with
delayed Neutron Emission
No Data Available
45> 200 nanosecondsBeta-minus DecayNo Data Available
46> 200 nanosecondsBeta-minus Decay100.00%
47No Data AvailableNo Data AvailableNo Data Available