• Colourless, odourless, nonflammable and liquefied gas
• Non-toxic but an asphyxiant
• Heavier than air
• Non-reactive except at very high temperature
• Inert, dry and slightly soluble
• Boiling point -196°C

99.999 vol%
Oxygen < 1 ppm
Moisture < 2 ppm

• Application for rapid temperature freezing and reduction such as shrink machinery components, quick freezes medical sample such as blood, plasma and semen
• In cryosurgery, Liquid Nitrogen used to safety remove skin lesions such as warts, tags and verrucas
• In chemical and petroleum industries, nitrogen mainly used for inerting reactors and storage tanks, purging vessels and pipelines of consists flammable, toxic gases and vapour. Sparging and pressure transfer of liquids
• Inerting the printed circuit board reflow and wave ovens in electronics field
• For degassing and metal stirring, purging, cooling, slag splashing, gas knives and as a carrier gas for injecting desulphurising compound in metal industry
• Used as an assist gas for laser cutting of stainless steel and aluminium
• Used in brewing, soft drink and wine-making industries to exclude air from the product
• Keeps oxygen damaging stored food, preventing fats, oil and other nutrients from being oxidizing and decomposition
• Pure Nitrogen is used to protect some of the most reactive metal during heat treatment
• Used as a carrier gas in some of the lab instruments