Helium
Helium
CGA 580
Form: Gas
Physical Constants of Gas
- • Chemical Name: Helium
- • Chemical Formula: He
- • Molecular Weight: 4.003
- • Specific Gravity (Air=1) 7o°F: 0.14
- • Critical Pressure: 33.22 psia
- • Critical Temperature: -450.3°F
Shipping Data:
- • DOT Label: Nonflammable Gas
- • DOT Hazard Class: Nonflammable Gas
- • DOT Name: Helium
- • UN Number: UN1046
Safety Data
- • TLV : Simple Asphyxlant (ACGIH 1989-1990)
- • Fire Potential: Nonflammable
- • Odor: None
- • Major Hazards: High Pressure and Suffocation
Typical Uses:
- • Many laboratory uses; Shielding gas for welding processes; Inert blanketing; Balloon filling.
