아인슈타이늄 동위 원소
표

| 핵종 기호 | Z(p)> 들뜬 에너지 | N(n)> 들뜬 에너지 |   동위 원소 질량 (u)  > 들뜬 에너지 | 반감기 | 붕괴 방식 | 붕괴 생성물 | 핵 스핀 |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 240Es | 99 | 141 | 240.06892(43)# | 1# s | α | 236Bk |  |
| 240Es | 99 | 141 | 240.06892(43)# | 1# s | β+ (드묾) | 240Cf |  |
| 241Es | 99 | 142 | 241.06854(24)# | 10(5) s [8(+6-5) s] | α | 237Bk | (3/2-) |
| 241Es | 99 | 142 | 241.06854(24)# | 10(5) s [8(+6-5) s] | β+ (드묾) | 241Cf | (3/2-) |
| 242Es | 99 | 143 | 242.06975(35)# | 13.5(25) s | α (99.94%) | 238Bk |  |
| 242Es | 99 | 143 | 242.06975(35)# | 13.5(25) s | β+, SF (0.6%) | 다양 |  |
| 242Es | 99 | 143 | 242.06975(35)# | 13.5(25) s | β+ (드묾) | 242Cf |  |
| 243Es | 99 | 144 | 243.06955(25)# | 21(2) s | β+ (70%) | 243Cf | 3/2-# |
| 243Es | 99 | 144 | 243.06955(25)# | 21(2) s | α (30%) | 239Bk | 3/2-# |
| 244Es | 99 | 145 | 244.07088(20)# | 37(4) s | β+ (94.69%) | 244Cf |  |
| 244Es | 99 | 145 | 244.07088(20)# | 37(4) s | α (5.3%) | 240Bk |  |
| 244Es | 99 | 145 | 244.07088(20)# | 37(4) s | β+, SF (0.01%) | 다양 |  |
| 245Es | 99 | 146 | 245.07132(22)# | 1.1(1) min | β+ (60%) | 245Cf | (3/2-) |
| 245Es | 99 | 146 | 245.07132(22)# | 1.1(1) min | α (40%) | 241Bk | (3/2-) |
| 246Es | 99 | 147 | 246.07290(24)# | 7.7(5) min | β+ (90.1%) | 246Cf | 4-# |
| 246Es | 99 | 147 | 246.07290(24)# | 7.7(5) min | α (9.9%) | 242Bk | 4-# |
| 246Es | 99 | 147 | 246.07290(24)# | 7.7(5) min | β+, SF (0.003%) | 다양 | 4-# |
| 247Es | 99 | 148 | 247.07366(3)# | 4.55(26) min | β+ (93%) | 247Cf | 7/2+# |
| 247Es | 99 | 148 | 247.07366(3)# | 4.55(26) min | α (7%) | 243Bk | 7/2+# |
| 247Es | 99 | 148 | 247.07366(3)# | 4.55(26) min | SF (9×10−5%) | 다양 | 7/2+# |
| 248Es | 99 | 149 | 248.07547(6)# | 27(5) min | β+ (99.75%) | 248Cf | 2-#,0+# |
| 248Es | 99 | 149 | 248.07547(6)# | 27(5) min | α (0.25%) | 244Bk | 2-#,0+# |
| 248Es | 99 | 149 | 248.07547(6)# | 27(5) min | β+, SF (3×10−5%) | 다양 | 2-#,0+# |
| 249Es | 99 | 150 | 249.07641(3)# | 102.2(6) min | β+ (99.43%) | 249Cf | 7/2+ |
| 249Es | 99 | 150 | 249.07641(3)# | 102.2(6) min | α (0.57%) | 245Bk | 7/2+ |
| 250Es | 99 | 151 | 250.07861(11)# | 8.6(1) h | β+ (97%) | 250Cf | (6+) |
| 250Es | 99 | 151 | 250.07861(11)# | 8.6(1) h | α (3%) | 246Bk | (6+) |
| 250mEs | 200(150)# keV | 200(150)# keV | 200(150)# keV | 2.22(5) h | ε (99%) | 250Cf | 1(-) |
| 250mEs | 200(150)# keV | 200(150)# keV | 200(150)# keV | 2.22(5) h | α (1%) | 246Bk | 1(-) |
| 251Es | 99 | 152 | 251.079992(7) | 33(1) h | ε (99.51%) | 251Cf | (3/2-) |
| 251Es | 99 | 152 | 251.079992(7) | 33(1) h | α (0.49%) | 247Bk | (3/2-) |
| 252Es | 99 | 153 | 252.08298(5) | 471.7(19) d | α (76%) | 248Bk | (5-) |
| 252Es | 99 | 153 | 252.08298(5) | 471.7(19) d | ε (24%) | 252Cf | (5-) |
| 252Es | 99 | 153 | 252.08298(5) | 471.7(19) d | β- (0.01%) | 252Fm | (5-) |
| 253Es | 99 | 154 | 253.0848247(28) | 20.47(3) d | α | 249Bk | 7/2+ |
| 253Es | 99 | 154 | 253.0848247(28) | 20.47(3) d | SF (8.7×10−6%) | 다양 | 7/2+ |
| 254Es | 99 | 155 | 254.088022(5) | 275.7(5) d | α | 250Bk | (7+) |
| 254Es | 99 | 155 | 254.088022(5) | 275.7(5) d | ε (10−4%) | 254Cf | (7+) |
| 254Es | 99 | 155 | 254.088022(5) | 275.7(5) d | SF (3×10−6%) | 다양 | (7+) |
| 254Es | 99 | 155 | 254.088022(5) | 275.7(5) d | β- (1.74×10−6%) | 254Fm | (7+) |
| 254mEs | 84.2(25) keV | 84.2(25) keV | 84.2(25) keV | 39.3(2) h | β- (98%) | 254Fm | 2+ |
| 254mEs | 84.2(25) keV | 84.2(25) keV | 84.2(25) keV | 39.3(2) h | IT (3%) | 254Es | 2+ |
| 254mEs | 84.2(25) keV | 84.2(25) keV | 84.2(25) keV | 39.3(2) h | α (0.33%) | 250Bk | 2+ |
| 254mEs | 84.2(25) keV | 84.2(25) keV | 84.2(25) keV | 39.3(2) h | ε (0.078%) | 254Cf | 2+ |
| 254mEs | 84.2(25) keV | 84.2(25) keV | 84.2(25) keV | 39.3(2) h | SF (0.0045%) | 다양 | 2+ |
| 255Es | 99 | 156 | 255.090273(12) | 39.8(12) d | β- (92%) | 255Fm | (7/2+) |
| 255Es | 99 | 156 | 255.090273(12) | 39.8(12) d | α (8%) | 251Bk | (7/2+) |
| 255Es | 99 | 156 | 255.090273(12) | 39.8(12) d | SF (0.0041%) | 다양 | (7/2+) |
| 256Es | 99 | 157 | 256.09360(11)# | 25.4(24) min | β- | 256Fm | (1+,0-) |
| 256mEs | 0(100)# keV | 0(100)# keV | 0(100)# keV | 7.6 h | β- (99.99%) | 256Fm | (8+) |
| 256mEs | 0(100)# keV | 0(100)# keV | 0(100)# keV | 7.6 h | β-, SF (0.002%) | 다양 | (8+) |
| 257Es | 99 | 158 | 257.09598(44)# | 7.7(2) d | β- | 257Fm | 7/2+# |
| 257Es | 99 | 158 | 257.09598(44)# | 7.7(2) d | α | 253Bk | 7/2+# |
| 258Es | 99 | 159 | 258.09952(32)# | 3# min |  |  |  |