High purity air
Specialty Gases 2025-04-24
Product Introduction:
English Name: Compressed Air
Chemical Formula: Air
Appearance: Colorless and odorless gas, flammable
Molar Mass: 28.96g/mol
Melting Point: -213℃
Boiling Point: -195℃
Warning Term: Dangerous
Flash Point: Meaningless
GHS Hazard Classification: Combustion-supporting Gas, Compressed Gas
Hazard Statement: There is a risk of combustion and explosion when in contact with flammable gas, grease, and the pressure inside the bottle increases when heated, which may cause explosion and flammability.
Uses:
1. Used as a combustion-supporting gas for hydrogen flame gas chromatograph
2. Used as a breathing gas
3. Used as a gas for analysis of other instruments
4. Used in the glass industry
5. Used in military manufacturing
6. Used in semiconductor manufacturing processes
Technical parameters:
| Gas name | Chemical formula | Purity (%) | Impurities (ppm) | ||
| High purity air | Air | O2：19.5-22.5 | H2O≤5，CO/CO2≤0.5，THC≤5 | ||
| O2：19.5-22.5 | H2O≤5，CO/CO2≤0.5，THC≤0.1 | ||||
| No. | Name | Chemical formula | Purity (%) | Pressure (Mpa) | Filling volume (m3/kg) | Valve thread outlet |
| 1 | High purity air | Air | 99.999composition | 10 | 4 | G5/8 |
| 2 | High purity air | Air | 99.999composition | 9.5 | 0.8 | G5/8 |
