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Liquid argon

  
 
Description
Argon is present in atmosphere to the extent of about 0.93%. It is colorless, odorless, tasteless and non-toxic gas. It is non-flammable and is a highly inert gas. Apply modes for argon are liquid and  as compressed gas. Argon is a member of a special group of gases known as the "rare", "noble", or "inert" gases.



Applications
Industry
Laboratories
Machine/Metal Construction
Semiconductors
Iron and Steel
Electrical
Other applications



Usage
Used for industrial and hospital analyses quality control
Protecting welds against oxidation reduction of welding emissions
Used in its pure form for protection against impurities
Stirring and decarburizing steel (especially stainless alloys)
Luminescent mixtures for filling light bulbs and fluorescent tubes
Inflating car airbags



PHYSICAL AND CHEMICAL PROPERTIES
Appearance : Liquefied gas. Colorless. Odor : No odor warning properties. Odor threshold : No data available. pH : Not applicable. Melting point/range : -308 °F (-189 °C) Boiling point/range : -303 °F (-186 °C) Flash point : Not applicable. Evaporation rate : Not applicable. Upper/lower explosion/flammability limit : No data available. Vapor pressure : Not applicable. Water solubility : 0.067 g/l Relative vapor density : 1.38 (air = 1) Heavier than air. Relative density : 1.4 (water = 1) Partition coefficient (noctanol/water) : Not applicable. Auto-ignition temperature : No data available. Argon (Refrigerated) Decomposition temperature : No data available. Viscosity : Not applicable. Molecular Weight : 40 g/mol.



Hazards & Transportation
Hazard Statements
H281: Contains refrigerated gas; may cause cryogenic burns or injury. May displace oxygen and cause rapid suffocation.
Major Hazard: high temperature and suffocation
Toxicity: nontoxic
Fire Potential: nonflammable
Odor: none
DOTE Name: Argon
DOT Label: nonflammable gas
Identification No.: UN-1006 (compressed gas)
                                UN-1951 (refrigerated liquid)
Hazard Class/Division: 2.2
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