helium
Published date: 2023-02-22 10:35:09
|
Name | helium | CAS# | 7440-59-7 |
|---|---|---|---|---|
| Price | ￥Inquiry/10l | Purity | 99.999% | |
| Stocking Period |
Inquiry | Stock | Inquiry |
| Detail
Product Information
Chemical & Physical Properties: CAS Number: 7440-59-7 Name: helium Molecular Formula: He Molecular Weight: 4.00260 Density: 0.1785（0ºC） Boiling Point: -268.934ºC(lit.) Melting Point: -272.2ºC(lit.) Flash Point: none |