CAS No: 71086-78-7;7440-59-7, Chemical Name: Helium
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71086-78-7;7440-59-7 Helium

produktnavn Helium
Molekylær Formel He
Molekylvekt 4.002602
InChI InChI=1S/He
CAS-nummer 71086-78-7;7440-59-7
EINECS 275-187-7
Molecular Structure 71086-78-7;7440-59-7 Helium
Tetthet 0.1785（0℃）
Smeltepunkt -272.3℃
Kokepunkt -268.9℃
Hazard symboler
Risiko Koder
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