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Liquid nitrogen tanks, also known as cryogenic tanks or dewars, are purpose-built containers crafted specifically for the storage and transportation of liquid nitrogen. Unlike its gaseous form stored in compressed cylinders, liquid nitrogen exists at an astonishingly low temperature of -196 degrees Celsius (-320.8 degrees Fahrenheit) under atmospheric pressure.

Liquid nitrogen (LN2) is used by scientists and research professionals to store and preserve biological materials. Liquid nitrogen is the liquid state of the element nitrogen and is considered a cryogenic liquid, meaning that it reaches below 0℃. Altogether, liquid nitrogen is a vital tool for scientific research.

Liquid nitrogen is extremely cold. It will freeze any living tissue it comes into contact with. Applying small amounts of liquid nitrogen to various skin problems is now a standard treatment. The medical term for this treatment is cryotherapy.

Liquid nitrogen is a colorless, odorless, non-flammable, non-corrosive and extremely cold element that finds a lot of applications including research and development.