Helium (He)
UN1046 Helium Compressed
UN1963 Helium Liquid
Helium is a colorless, odorless, nonflammable inert gas that can be shipped as a non- liquified compressed gas or as a liquid.
Product & Packaging Information
| Purity | Cylinder Size | Contents | Cylinder Pressure 70F | Standard Valve Outlet (CGA) |
|---|---|---|---|---|
| 99.999%+ | 300 200 Bulk | 291 scf 223 scf 115,000–180,000 | 2,640 psi 2,265 psi 2,800 psi | 580 580 1340 |
| Product Data | |
|---|---|
| Molecular Weight | 4.00260 |
| Specific Volume | 96.6 cf / lb @ 70F |
| Compressed Density | 0.169 kg / m³ |
| Density at boiling point | 7.62 lb / ft³ @ -452F |
| Flammability in Air | 3.0-12.4% in Air |
| U.S. D.O.T. Hazard Class | 2.2 |
| U.S. D.O.T. Label | Non Flammable Gas |
