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.

Isotopes of the Element Phosphorus with a Known Natural Abundance

Mass Number	Natural Abundance	Half-life

31	100%	Stable

All Known Isotopes of the Element Phosphorus

Mass Number	Half-life	Decay Mode	Branching Percentage

24	No Data Available	Proton Emission	No Data Available

		Electron Capture	No Data Available

25	< 30 nanoseconds	Proton Emission	No Data Available

26	20 milliseconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	~ 0.90

		Electron Capture	No Data Available

27	260 milliseconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	0.07

28	270.3 milliseconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	1.3E-3

		Electron Capture with delayed Alpha Decay	8.6E-4

29	4.142 seconds	Electron Capture	100.00

30	2.498 minutes	Electron Capture	100.00

31	Stable	-	-

32	14.262 days	Beta-minus Decay	100.00

33	25.34 days	Beta-minus Decay	100.00

34	12.43 seconds	Beta-minus Decay	100.00

35	47.3 seconds	Beta-minus Decay	100.00

36	5.6 seconds	Beta-minus Decay	100.00

37	2.31 seconds	Beta-minus Decay	100.00

38	0.64 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	< 10.00

39	190 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	26.00

40	260 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	30.00

41	150 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	30.00

42	110 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	50.00

43	33 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	100.00

44	> 200 nanoseconds	Beta-minus Decay	No Data Available

45	> 200 nanoseconds	Beta-minus Decay	No Data Available

46	> 200 nanoseconds	Beta-minus Decay	100.00

This page is maintained by Steve Gagnon.

Citation and linking information

Isotopes of the Element Phosphorus[Click for Main Data]

Isotopes of the Element Phosphorus
[Click for Main Data]