71086-78-7
71086-78-7 structure
- Name: Helium
- Chemical Name: Helium
- CAS Number: 71086-78-7
- Molecular Formula: He
- Molecular Weight: 4.00260
- Create Date: 2017-06-11 21:51:55
- Modify Date: 2024-09-03 19:26:36
| Name | Helium |
|---|
| Density | 0.1785（0ºC） |
|---|---|
| Boiling Point | -268.9ºC |
| Melting Point | -272.3ºC |
| Molecular Formula | He |
| Molecular Weight | 4.00260 |
| Flash Point | none |
| Exact Mass | 4.00260 |
| RIDADR | UN 1046 |
|---|