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14762-55-1[3He]SWQJXJOGLNCZEY-BJUDXGSMSA-NHelium-3 atom is the stable isotope of helium with relative atomic mass 3.016029. The least abundant (0.000137 atom percent) isotope of naturally occurring helium. It contains a helion.
14762-55-1DTXSID201357656CHEBI:30218Helium-3,3He, has been known as a stable isotope since the middle-1930s and it was suspected that its properties were markedly different from the common isotope, helium-4.
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Warning
H280 (100%): Contains gas under pressure; may explode if heated [Warning Gases under pressure]
P282, P336+P317, P403, and P410+P403 (click each P-code to see the statement)
Aggregated GHS information provided per 83 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
역사The development of nuclear fusion devices in the 1950s yielded workable quantities of pure helium-3 as a decay product from the large tritium inventory implicit in maintaining an arsenal of fusion weapons.
정의ChEBI: The stable isotope of helium with relative atomic mass 3.016029. The least abundant (0.000137 atom percent) isotope of naturally occurring helium.
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