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Argon ar
high-purity argon gas
ARGON GAS
IUPAC Name: Argon Molecular Formula: Ar Molecular Weight: 39.95Canonical SMILES: [Ar]InChI: InChI=1S/ArEINECS: 231-147-0 Classification Code: Simple asphyxiantProduct Categories: Industrial / Fine Chemicals; refrigerants; Inorganics; Chemical Synthesis; Compressed and Liquefied Gases; Synthetic Reagents Melting point: -189.2 °C(lit.)Boiling point: -185.7 °C(lit.)Density: 1.784(0 °C) Vapor density: 1.38 (21 °C, vs air)Enthalpy of Vaporization: 9.74 kJ/mol Vapour Pressure of Argon (CAS NO.7440-37-1): 343000 mmHg at 25 °C
Argon (Ar) | |||||||||||||||||||||||||||||||||
Total Purity >99.9997% Vapor Phase Impurities
Standard Package Information
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Argon(Ar) | |||||
Item | Purity Specificaition % | ||||
Argon(Ar) | 99.999 | 99.9995 | 99.9997 | 99.9999 | |
Impurites(ppm) | Nitrogen(N2) | <5 | <5 | <3 | <0.4 |
Oxygen(O2) | <2 | <0.5 | <0.5 | <0.2 | |
hydrogen(H2) | <1 | - | - | - | |
Carbon Monoxide(CO) | - | <1 | <0.5 | <0.1 | |
Carbon Dioxide(CO2) | - | <1 | <0.5 | <0.1 | |
Moisture (H2O) | <4 | <0.5 | <0.5 | <0.2 | |
THC | <2 | <0.3 | <0.2 | <0.1 | |
Argon is considered a rare atmospheric gas which is colorless, odorless, tasteless and nontoxic. It is considered extremely inert and forms no known chemical compounds. | |||||
Argon is slightly soluble in water. The concentration of Argon in the atmosphere by volume is 0.93%. Argon is principally shipped and used in gaseous form for neon signs, lasers,incandescent and fluorescent lamps, electronic tubes, window insulation, welding, and semiconductor applications. | |||||
Argon ar
