Einsteinium information, including Technical Data, Safety Data and its high purity properties, research, applications and other useful facts are discussed below. Scientific facts such as the atomic structure, ionization energy, abundance on Earth, conductivity and thermal properties are included.
 Einsteinium is a Block F, Group 3, Period 7 element. The number of electrons in each of Einsteinium's shells is 2, 8, 18, 32, 29, 8, 2 and its electronic configuration is [Rn] 5f11 7s2. In its elemental form einsteinium's CAS number is 7429-92-7 The einsteinium atom has a radius of 186.pm and it's Van der Waals radius is 200.pm.
Einsteinium is radioactive.
Einsteinium was discovered by Albert Ghiorso in 1952. Named in honor of Albert Einstein.
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Einsteinium Safety Data. The safety data for einsteinium metal, nanoparticles and its compounds can vary widely depending on the form. For potential hazard information, toxicity, and road, sea and air transportation limitations, such as DOT Hazard Class, DOT Number, EU Number, NFPA Health rating and RTECS Class, please see the specific material or compound referenced in the left margin. Einsteinium compounds have no biological role.
Ionization Energy. The ionization energy for einsteinium (the least required energy to release a single electron from the atom in it's ground state in the gas phase) is stated in the following table:
| 1st Ionization Energy |
619.44 kJ mol-1 |
| 2nd Ionization Energy |
- kJ mol-1 |
| 3rd Ionization Energy |
- kJ mol-1 |
Conductivity. As to einsteinium's electrical and thermal conductivity, the electrical conductivity measured in terms of electrical resistivity @ 20 ºC is - µOcm and its electronegativities (or its ability to draw electrons relative to other elements) is -. The thermal conductivity of einsteinium is - W m-1 K-1.
Thermal Properties of Einsteinium. The melting point and boiling point for einsteinium are stated below. The following chart sets forth the heat of fusion, heat of vaporization and heat of atomization.
| Heat of Fusion |
- kJ mol-1 |
| Heat of Vaporization |
- kJ mol-1 |
| Heat of Atomization |
150 kJ mol-1 |
Recent Research & Development for Einsteinium
The metabolism of plutonium and related elements. International Commission on Radiological Protection. A report of a Task Group of Committee 2.
[No authors listed]
Ann ICRP. 1986;16(2-3):i-vi, 1-98. Review. No abstract available.
PMID:
3024541
[PubMed - indexed for MEDLINE]
Distribution of 253Es in juvenile miniature swine.
McClanahan BJ, Ragan HA.
Health Phys. 1984 Sep;47(3):472-5. No abstract available.
PMID:
6500952
[PubMed - indexed for MEDLINE]
Late effects of inhaled 253Es(NO3)3 in rats.
Ballou JE, Dagle GE, Gies RA, Smith LG.
Health Phys. 1979 Sep;37(3):301-9. No abstract available.
PMID:
511557
[PubMed - indexed for MEDLINE]
Maximum permissible concentration (MPC) values for spontaneously fissioning radionuclides.
Ford MR, Snyder WS, Dillman LT, Watson SB.
Health Phys. 1977 Jul;33(1):35-43. No abstract available.
PMID:
893102
[PubMed - indexed for MEDLINE]
The long-term effects of intratracheally instilled 253EsCl3 in rats.
Ballou JE, Dagle GE, Morrow WG.
Health Phys. 1975 Aug;29(2):267-72. No abstract available.
PMID:
1242714
[PubMed - indexed for MEDLINE]
A method for intratracheal instillation in the rat.
Morrow WG.
Lab Anim Sci. 1975 Jun;25(3):337-40.
PMID:
1142728
[PubMed - indexed for MEDLINE]
The early retention, excretion and distribution of injected einsteinium citrate in beagles.
Lloyd RD, Dockum JG, Atherton DR, Mays CW, Williams JL.
Health Phys. 1975 May;28(5):585-9. No abstract available.
PMID:
1158700
[PubMed - indexed for MEDLINE]
Affinity of 253Einsteinium for tumour tissue.
Hayes RL, Rafter JJ, Washburn LC, Byrd BL.
Nat New Biol. 1973 Nov 7;246(149):23-5. No abstract available.
PMID:
4357168
[PubMed - indexed for MEDLINE]
Therapeutic removal of internally deposited transuranium elements.
Smith VH.
Health Phys. 1972 Jun;22(6):765-78. No abstract available.
PMID:
5084009
[PubMed - indexed for MEDLINE]
Preliminary data on 253 Es and 249 Bk metabolism in rats.
Hungate FP, Ballou JE, Mahlum DD, Kashima M, Smith VH, Sanders CL, Baxter DW, Sikov MR, Thompson RC.
Health Phys. 1972 Jun;22(6):653-6. No abstract available.
PMID:
5083995
[PubMed - indexed for MEDLINE]
The metabolism of 253 Es in mice.
Parker HG, Wright SR, Low-Beer Ade G, Yaeger DJ.
Health Phys. 1972 Jun;22(6):647-51. No abstract available.
PMID:
4628453
[PubMed - indexed for MEDLINE]
Determination of actinides in biological samples with bidentate organophosphorus extractant.
Butler FE, Hall RM.
Anal Chem. 1970 Aug;42(9):1073-6. No abstract available.
PMID:
5432292
[PubMed - indexed for MEDLINE]
Health physics considerations in processing transplutonium elements.
Denham DH.
Health Phys. 1969 Apr;16(4):475-87. No abstract available.
PMID:
5787370
[PubMed - indexed for MEDLINE]
Anion-exchange separation techniques with methanol-water solutions of hydrochloric and nitric acids.
Morrow RJ.
Talanta. 1966 Sep;13(9):1265-74.
PMID:
18960002
[PubMed - in process] |
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