H2Se Hydrogen Selenide
| Specifications | ||
| Purity | ＞99.99 | vol.％ |
| Impurity | ||
| N2 | ＜5 | vol.ppm |
| O2 | ＜5 | vol.ppm |
| THC | ＜1 | vol.ppm |
| H2S | ＜ 50 | vol.ppm |
| H2O | ＜100 | vol.ppm |
| Mixed Gas | Balance Gas | Concentration | Pressure | Cylinder Cylinder |
Valve for Specialty Gas Valve |
|
| N2、Ar、He、H2 | 10ppm～20％ | 10ppm～3.4％ Over 3.4％ to 5％ Over 5％ to 10％ Over 10％ to 15％ Over 15％ to 20％ |
14.7MPa 9.81MPa 4.9MPa 2.9MPa 2.5MPa |
47ℓ／10ℓ | JIS.W22-14L | |
| Special High Pressure Gas | |
| Molecular Weight | 80.98 |
| UN Code | 2202 |
| Permissible Concentration | TLV-TWA 0.05ppm（as Se） |
| Description | Colorless Gas |
| Odor | Garlic Odor |
| Specific Gravity | 2.80（25℃, 0.1MPa） |
| Boiling Point | -42℃ |
| Density(Vapor) | 3.312kg/㎥ （25℃, 0.1MPa） |
| Density(Liquid) | 2.039kg/ℓ（-63℃） |
