ChemNet > CAS > 71086-78-7;7440-59-7 Helium
71086-78-7;7440-59-7 Helium
product Name |
Helium |
Molecular Formula |
He |
Molecular Weight |
4.002602 |
InChI |
InChI=1S/He |
CAS Registry Number |
71086-78-7;7440-59-7 |
EINECS |
275-187-7 |
Molecular Structure |
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Density |
0.1785(0℃) |
Melting point |
-272.3℃ |
Boiling point |
-268.9℃ |
Hazard Symbols |
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Risk Codes |
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Safety Description |
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