Isotopes of Plutonium (Z=94)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
228Pu 4 ms 0+ %A=100
229Pu %A=?
230Pu 0+ %A=?
231Pu
232Pu 34.1 m 0+ %EC=77 6, %A=23 6
233Pu 20.9 m %EC+%B+=99.88 5, %A=0.12 5
234Pu 8.8 h 0+ %EC ~ 94, %A ~ 6
234m1Pu 3 ns
235Pu 25.3 m (5/2+) %EC+%B+=99.9973 5, %A=0.0027 5
235m1Pu 25 ns
236Pu 2.858 y 0+ %A=100, %SF=1.37E-7 7
236m1Pu 37 ps (0+)
236m2Pu 34 ns
237Pu 45.2 d 7/2- %A=0.0042 4, %EC=99.9958 4
237m1Pu 0.18 s 1/2+ %IT=100
237m2Pu 85 ns
237m3Pu 1.1 us
238Pu 87.7 y 0+ %A=100, %SF=1.85E-7 4, %MG ~ 6E-15, %SI ~ 1.4E-14
238m1Pu 0.6 ns
238m2Pu 6.0 ns (0+)
239Pu 24110 y 1/2+ %A=100, %SF=3.0E-10 8
239m1Pu 7.5 us (5/2+)
239m2Pu 2.6 ns (9/2-)
240Pu 6563 y 0+ %A=100 , %SF=5.75E-6 5
241Pu 14.35 y 5/2+ %B-=99.998, %A=0.00245 2, %SF ~ 2.4E-14
241m1Pu 21 us
241m2Pu 32 ns
242Pu 3.733e+5 y 0+ %A=100 , %SF=5.54E-4 6
243Pu 4.956 h 7/2+ %B-=100
243m1Pu 45 ns
244Pu 8.08e+7 y0+ %A=99.879 4, %SF=0.121 4, %BB < 3E-11
245Pu 10.5 h(9/2-) %B-=100
245m1Pu 90 ns
246Pu 10.84 d 0+ %B-=100
247Pu 2.27 d %B-=100
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory
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