Helium
A colorless, odorless, tasteless, inert gas.
Chemical Symbol: He
CAS Registry Number: 7440-59-7
DOT Class: 2.2
DOT Label: Nonflammable Gas
UN Number: UN 1046 or UN 1963
| |
U.S. Units |
SI Units |
| Chemical formula |
He |
He |
| Molecular weight |
4.003 |
4.003 |
| Specific volume |
96.7 ft3/lb |
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