5056
T3D4997
Carbon-14
Carbon-14, 14C, or radiocarbon, is a radioactive isotope of carbon with a nucleus containing 6 protons and 8 neutrons. Its presence in organic materials is the basis of the radiocarbon dating method pioneered by Willard Libby and colleagues (1949) to date archaeological, geological and hydrogeological samples. Carbon-14 was discovered on 27 February 1940, by Martin Kamen and Sam Ruben at the University of California Radiation Laboratory in Berkeley, although its existence had been suggested by Franz Kurie in 1934.
14762-75-5
26873
CH4
Ingestion, inhalation, puncture, wound, skin contamination (absorption)
Internalized radionuclides that emit β particles are carcinogenic to humans (Group 1) (L2150). Carbon-14 undergoes beta decay.
2014-10-15T22:07:58Z
2016-11-09T01:09:15Z
true
[14CH4]
CH4
InChI=1S/CH4/h1H4/i1+2
VNWKTOKETHGBQD-NJFSPNSNSA-N
18.035
18.034542116
Exogenous
Solid
25031
CHEM003951