Ordinary high purity industrial gas

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Argon

Description
Argon is a chemical element with symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third-most abundant gas in the Earth's atmosphere, at 0.934% (9340 ppmv). It is more than twice as abundant as water vapor (which averages about 4000 ppmv, but varies greatly), 23 times as abundant as carbon dioxide (400 ppmv), and more than 500 times as abundant as neon (18 ppmv). Argon is the most abundant noble gas in Earth's crust, comprising 0.00015% of the crust. Product specification (AR).



Product specification (AR)



PHYSICAL AND CHEMICAL PROPERTIES
Appearance : Compressed gas. Colorless gas Odor : No odor warning properties. Odor threshold : No data available. pH : Not applicable. Argon Melting point/range : -309 °F (-189.3 °C) Boiling point/range : -302 °F (-185.8 °C) Flash point : Not applicable. Evaporation rate : Not applicable. Upper/lower explosion/flammability limit : No data available. Vapor pressure : Not applicable. Water solubility : 0.061 g/l Relative vapor density : 1.379 (air = 1) Heavier than air. Relative density : No data available. Partition coefficient (n-octanol/water) : Not applicable. Auto-ignition temperature : No data available. Decomposition temperature : No data available. Viscosity : Not applicable. Molecular Weight : 39.95 g/mol Density : 0.106 lb/ft3 (0.0017 g/cm3) at 70 °F (21 °C) Note: (as vapor) Specific Volume : 9.68 ft3/lb (0.6043 m3/kg) at 70 °F (21 °C).



Hazards & Transportation
Extremely cold liquid and gas under pressure. Direct contact with liquid can cause frostbite. Can cause rapid suffocation. Avoid breathing gas.
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.



Purity 99.999% 99.9996%
Phase Gas Gas
Valve Connection CGA-580 CGA-580
Impurity Level
Oxygen (O2) ≤ 1.00ppm ≤ 0.50ppm
Moisture (H2O) ≤ 2.58ppm ≤ 2.00ppm
Carbon Monoxide (CO) ≤ 1.00ppm ≤ 1.00ppm
Carbon Dioxide (CO2) ≤ 1.00ppm ≤ 1.00ppm
Total Hydrocarbon as Methane (THC) ≤ 1.00ppm ≤ 0.20ppm
Hydrogen (H2) ≤ 1.00ppm ≤ 1.00ppm

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