It's Elemental - Isotopes of the Element Tin

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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 Tin with a Known Natural Abundance

Mass Number	Natural Abundance	Half-life

112	0.97%	Stable

114	0.66%	Stable

115	0.34%	Stable

116	14.54%	Stable

117	7.68%	Stable

118	24.22%	Stable

119	8.59%	Stable

120	32.58%	Stable

122	4.63%	Stable

124	5.79%	Stable

All Known Isotopes of the Element Tin

Mass Number	Half-life	Decay Mode	Branching Percentage

100	0.94 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	< 17.00

101	3 seconds	Electron Capture	No Data Available

		Electron Capture with delayed Proton Emission	No Data Available

102	4.5 seconds	Electron Capture	100.00

103	7 seconds	Electron Capture	100.00

104	20.8 seconds	Electron Capture	100.00

105	31 seconds	Electron Capture	100.00

		Electron Capture with delayed Proton Emission	No Data Available

106	115 seconds	Electron Capture	100.00

107	2.90 minutes	Electron Capture	100.00

108	10.30 minutes	Electron Capture	100.00

109	18.0 minutes	Electron Capture	100.00

110	4.11 hours	Electron Capture	100.00

111	35.3 minutes	Electron Capture	100.00

112	Stable	-	-

113	115.09 days	Electron Capture	100.00

113_m	21.4 minutes	Isomeric Transition	91.10

		Electron Capture	8.90

114	Stable	-	-

115	Stable	-	-

116	Stable	-	-

117	Stable	-	-

117_m	13.76 days	Isomeric Transition	100.00

118	Stable	-	-

119	Stable	-	-

119_m	293.1 days	Isomeric Transition	100.00

120	Stable	-	-

121	27.03 hours	Beta-minus Decay	100.00

121_m	55 years	Isomeric Transition	77.60

		Beta-minus Decay	22.40

122	Stable	-	-

123	129.2 days	Beta-minus Decay	100.00

123_m	40.06 minutes	Beta-minus Decay	100.00

124	Stable	-	-

125	9.64 days	Beta-minus Decay	100.00

125_m	9.52 minutes	Beta-minus Decay	100.00

126	≈ 1×10⁺⁵ years	Beta-minus Decay	100.00

127	2.10 hours	Beta-minus Decay	100.00

127_m	4.13 minutes	Beta-minus Decay	100.00

128	59.07 minutes	Beta-minus Decay	100.00

128_m	6.5 seconds	Isomeric Transition	100.00

129	2.23 minutes	Beta-minus Decay	100.00

129_m	6.9 minutes	Beta-minus Decay	100.00

		Isomeric Transition	< 2.0E-3

130	3.72 minutes	Beta-minus Decay	100.00

130_m	1.7 minutes	Beta-minus Decay	100.00

131	56.0 seconds	Beta-minus Decay	100.00

131_m	58.4 seconds	Beta-minus Decay	100.00

		Isomeric Transition	<= 4.0E-4

132	39.7 seconds	Beta-minus Decay	100.00

133	1.45 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	0.08

134	1.12 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	17.00

135	530 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	21.00

136	0.25 seconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	30.00

137	190 milliseconds	Beta-minus Decay	100.00

		Beta-minus Decay with delayed Neutron Emission	58.00