Helium (He)
| Physical Constants of Gas |
|
|
Shipping Data |
|
| Molecular Weight |
4.003 |
|
Shipping Class |
70 |
| Specific Volume |
96.6 CF/lb. |
|
D.O.T. Class |
2.2 Nonflammable Gas |
| Boiling Point |
-452.1°F (1 atm) |
|
D.O.T. Label |
Green, Nonflammable Gas |
| |
|
|
CAS Registry No |
7440-59-7 |
| Cylinder Data |
|
|
UN No./IATA No |
UN 1046 |
| Medical Pin Index CGA |
930 |
|
|
|
| Threaded CGA |
580 |
|
|
|
Product
No. |
Description |
Specification |
Cylinder |
Pressure
psig |
Contents
Liters/ft3 |
Recommended Regulator |
Single-
Stage |
Two-
Stage |
| 4609 |
99.99% Instrument Grade |
Air < 100 ppm
H2O < 10 ppm
THC < 10 ppm |
ED |
2200 |
520/18 |
M–CO4 |
M–221 |
| H |
2000 |
5570/195 |
M–CO4 |
M–221 |
| ZD |
2200 |
130/4.6 |
M–CO4 |
M–221 |
| K |
2400 |
7427/262 |
M–CO4 |
M–221 |
| 4920 |
99.999% Carrier Grade |
O2 < 1 ppm
N2 < 2 ppm
THC < 0.5 ppm
H2O < 0.5 ppm
CO2 < 0.5 ppm |
K |
2400 |
7427/262 |
N/A |
M–215 |
| H |
2000 |
5570/195 |
N/A |
M–215 |
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|
