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Helium He

Helium He

Physical Constants of Gas
Molecular Weight………………………………. 4.003
Specific Volume…………….. 96.6 CF/lb. (6 m3/kg)
Boiling Point…………. -452.1°F (-268.94°C) 1 atm
Gas Density 70°F 1 atm……………… 0.169 kg/m3
Shipping Data
Shipping Class…………………………………….. 70
DOT/TC Name……………… Helium, Compressed
DOT Class………………. 2.2 (Nonflammable Gas)
TC Class…….. 2.2 (Nontoxic, Nonflammable Gas)
WHMIS Class………………………………………. A
DOT Label……………………… Nonflammable Gas
CAS Registry No………………………… 7440-59-7
UN No./IATA No……………………………. UN1046
Safety Information
Helium is an inert gas that does not support life.
Can cause rapid suffocation.
Helium is used on many industries as lifting gas, automobile industry, semiconductors, cutting and welding processes, nanotechnology and laboratory. Helium is abundant in the Sun’s atmosphere and is found at trace level in the Earth’s atmosphere. However, it may also be found in fossil form in natural gas pockets in some oil fields, where it is extracted by drilling deep into the subsoil of certain regions in the world. Helium is an extremely light gas and is therefore very volatile. It is colorless, odorless, non-flammable and completely inert. It cannot sustain life.

Main Application

Balloon Gas
Laser Welding
Neutral Hardening
Chromatography
Laser Welding
Plasma coating
High Pressure Gas Quenching
Leak Detection

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