Oxygen (O₂) Technical Specifications
Technical and physical specifications of oxygen gas (O₂), including purity, grade, pressure, density, boiling point, and other characteristics in liquid, gaseous, and bulk states.
- Oxygen purity from 99.5% to 99.999% (industrial to laboratory grades)
- Cylinder working pressure up to 200 bar; boiling point −183°C
- Production and filling compliant with ISO 2046 / EN 14175 standards
- White cylinder color coding according to EN 1089-3
- Available in liquid, cylinder, and bulk forms for multiple applications
- Supplied with full MSDS documentation and detailed technical data
General Properties of Oxygen (O₂)
Oxygen is a colorless, odorless, and tasteless gas with the chemical formula O₂. It is essential for life and widely used across industries as a strong oxidizing agent.
Physical & Chemical Specifications
| Property | Value |
|---|---|
| Chemical formula | O₂ |
| Molar mass | 31.9988 g/mol |
| Boiling point | −183°C |
| Melting point | −218.8°C |
| Density at 15°C & 1 bar | 1.355 kg/m³ |
| Liquid density at −183°C | 1.141 kg/L |
| Critical pressure | 50.43 bar |
| Critical temperature | −118.6°C |
| Cylinder color code | White body & white shoulder (EN1089-3 compliant) |
Purity Grades
- Industrial grade: 99.5%
- Medical grade: 99.7%
- Laboratory grade: 99.999%
Applications of Oxygen
- Medical & hospital use (oxygen therapy)
- Metal welding and cutting
- Water & wastewater treatment
- Glass and steel industries
- Aviation and diving
- Laboratory applications
Safety & Handling
Oxygen is not flammable by itself, but it greatly accelerates combustion.
Avoid the use of oil or grease on oxygen equipment, and ensure all fittings are clean and dry.
Technical File & MSDS
Download Safety Data Sheet (MSDS)
Related Pages
- Liquid Oxygen (LOX)
- Oxygen Cylinders
- Bulk Oxygen Storage Tanks
- Oxygen Price Inquiry
Technical Specifications
| Purity | %99.5 – %99.999 |
|---|---|
| Grade | صنعتی |
| Delivery Pressure | Up to 200 bar (in cylinder form) bar |
| Storage / Boiling Point | Boiling point: −183°C °C |
| Valve / Connection Type | BS341 No.3 / DIN477-9 |
| Standards | ISO 2046 / EN ISO 14175 / EIGA 70/17 |
FAQ
What are the physical and chemical properties of oxygen
Oxygen is a colorless and odorless gas with the chemical formula O₂. Its molar mass is 31.9988 g/mol, and its boiling point is −183°C. In liquid form, it appears pale blue.
What purity grades is oxygen produced in
Oxygen is produced in industrial (99.5%), medical (99.7%), and laboratory grades (99.999%). The required grade depends on the application.
What are the critical pressure and temperature of oxygen
The critical pressure of oxygen is about 50.43 bar, and its critical temperature is −118.6°C. Above these conditions, oxygen cannot exist as a stable liquid.
Is oxygen flammable
Oxygen itself is not flammable, but it strongly accelerates the combustion of fuels. Contact with oil, grease, or organic materials can pose explosion risk.
What is the standard cylinder color for oxygen
According to EN1089-3, oxygen cylinders are identified by a white body and white shoulder
What is the difference between industrial and medical oxygen
The difference lies in purity and quality control. Medical oxygen must be produced under fully controlled and hygienic conditions with certified manifold systems.
What information is included in the Oxygen MSDS
The MSDS contains hazard identification, safety precautions, storage conditions, exposure guidelines, and emergency response instructions.
Can oxygen be stored at lower temperatures
Yes. At −183°C, oxygen becomes liquid (LOX), allowing high-density storage and easier bulk transportation.
