Industrial Gases

Nitrogen (N₂)
Industrial Grade

Nitrogen gas (N₂) has a wide variety of applications across different industries due to its properties like being inert, non-reactive, and abundant. Here are some key applications of nitrogen gas: Nitrogen Applications:

Nitrogen Applications

1. Industrial Applications:
  • Inert Atmosphere for Chemical Reactions: Nitrogen is used in chemical industries as an inert atmosphere to prevent unwanted reactions, especially when handling reactive materials like lithium, sodium, or certain metals.
  • Cryogenics: Liquid nitrogen (LN₂) is used in cryogenic applications, such as cooling superconducting magnets, medical cryotherapy (freezing off warts or tumors), and preserving biological samples like blood, sperm, and embryos.
2. Food Industry:
  • Food Preservation: Nitrogen gas is used in food packaging to displace oxygen and prevent oxidation, which helps preserve the freshness of food products like snacks, meat, and beverages.
  • Freezing and Cooling: Liquid nitrogen is commonly used for flash-freezing foods in the food processing industry.
3. Electronics Industry:
  • Inert Gas for Manufacturing: Nitrogen is used in the production of semiconductors and other electronic components where a controlled, oxygen-free environment is essential.
  • Cleanroom Environments: Nitrogen gas helps maintain a contaminant-free atmosphere in cleanrooms used for electronics assembly, pharmaceuticals, and other sensitive manufacturing.
4. Medical Applications:
  • Medical Gases: Nitrogen is used in medical settings for various purposes, such as pressurized air for ventilators, breathing mixtures, and as an inert component in gases like nitrous oxide.
  • Cryosurgery: Liquid nitrogen is applied in the treatment of skin lesions, tumors, and other conditions that require freezing.
5. Oil and Gas Industry:
  • Enhanced Oil Recovery: Nitrogen is injected into oil reservoirs to help displace oil and increase production.
  • Pipeline Purging: Nitrogen is used for purging pipelines to remove hazardous substances and create a safer environment during maintenance.
6. Manufacturing and Metal Industry:
  • Welding and Metal Cutting: Nitrogen is used in welding and metal cutting processes to provide an inert shield that prevents oxidation and contamination.
  • Heat Treating: Nitrogen is used in heat treatment of metals to improve their hardness and strength without oxidizing the surface.
7. Pharmaceutical and Chemical Laboratories:
  • Solvent Storage: Nitrogen is used to provide a stable, oxygen-free environment for the storage of volatile chemicals and solvents, which can degrade in the presence of oxygen.
8. Research and Development:
  • Atmosphere Control: Nitrogen gas is commonly used in laboratories and research environments to create controlled atmospheres, such as in the study of reactions under low-oxygen conditions.

These are just a few examples of nitrogen gas applications, and its uses continue to grow as industries evolve and develop new technologies.


Non-toxic and non-flammable Gas

CAS No : 7727-37-9

UN No: 1066

EINECS No : 231-783-9

Molecular weight : 28.01

Appearance : Colorless and odorless

Melting point : -209.86 ℃

Boiling point : -196 ℃

Density : 1.25g/L

DOT Class : 2.2

99.999% N₂, Industrial Grade

99.99999% N₂, High-purity Grade

Specification 99.999%
Oxygen≤ 3 ppm
Carbon Dioxide≤ 1 ppm
Carbon Monoxide≤ 1 ppm
Methane≤ 1 ppm
Moisture≤ 3 ppm
Specification 99.99999%
Oxygen≤ 200 ppb
Carbon Dioxide≤ 100 ppb
Carbon Monoxide≤ 200 ppb
Methane≤ 100 ppb
Moisture≤ 500 ppb
Cylinder Specifications Contents Pressure
Cylinder Capacity Valve Volume   bar psig
40L QF-2 6 m³ 150 2175
50L QF-2 10 m³ 200 2900