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Hydrogen Bromide - ( HBr )
Hydrogen Bromide is a colorless, corrosive, irritating, nonflammable, toxic gas with a suffocating odor, it is shipped as a liquefied gas in steel cylinders under its own vapor pressure
| Specifications | |||
| Purity , % | 99.9 | 99.99 | 99.999 |
| Oxygen | ≤ 10 ppmv | ≤5.0 ppmv | ≤1.0 ppmv |
| Nitrogen | ≤ 20 ppmv | ≤15 ppmv | ≤3.0 ppmv |
| Carbon Dioxide | ≤ 20 ppmv | ≤10 ppmv | ≤3.0 ppmv |
| Carbon Monoxide | ≤ 20 ppmv | ≤0.5 ppmv | ≤0.5 ppmv |
| Methane + Acetylene | ≤ 5 ppmv | ≤5 ppmv | ≤1.5 ppmv |
| Water | ≤ 5 ppmv | ≤5 ppmv | ≤1.0 ppmv |
| Ship | |||
| DOT Shipping Name | Hydrogen Bromide, Anhydrous | ||
| DOT Classification | 2.3 | ||
| DOT Label | Poison Gas Inhalation Hazard Corrosive Gas | ||
| UN Number | UN 1048 | ||
| CAS No. | 10035-10-6 | ||
| CGA/DISS/JIS | 330/634/W22-14L | ||
| Shipped as | Liquefied Gas | ||
| Technical Information | |||
| Cylinder State @ 21.1°C | Liquid | ||
| Flammable Limits In Air | Non-flammable | ||
| Auto Ignition Temperature (°C ) | - | ||
| Molecular Weight (g/mol) | 80.912 | ||
| Specific gravity (air =1) | 3.5 | ||
| Critical Temperature ( °C ) | 90 | ||
| Critical Pressure ( psig ) | 1225.69 | ||
| Applications | |||
|
· In semiconductor fabrication: plasma etching of polysilicon · In chemical reactions, most often in pharmaceutical applications · In halogen lamps. | |||