71086-78-7;7440-59-7 Helium |
|
Product Name | Helium |
Molecular Formula | He |
Molecular Weight | 4.002602 |
InChl | InChI=1S/He |
CAS Registry Number | 71086-78-7;7440-59-7 |
EINECS | 275-187-7 |
Molecular Structure | |
Density | 0.1785(0℃) |
Melting Point | -272.3℃ |
Boiling Point | -268.9℃ |