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Liquid nitrogen
Liquid nitrogen, with the chemical formula N₂, is a colorless, odorless, and non-corrosive liquid form of nitrogen that has an extremely low temperature.
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Yongsheng Gas
liquid Oxygen
bottle Oxygen
Carbon Dioxide
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Product Description
Liquid nitrogen, with the chemical formula N₂, is a colorless, odorless, and non-corrosive liquid form of nitrogen that has an extremely low temperature. Below is a detailed introduction to liquid nitrogen along with its key parameters:
Physical properties
- Boiling point: $-196.56℃$
- Melting point: $-209.8℃$
- Density: $0.81 \, \text{g/cm}^3$ (at standard pressure)
- Water solubility: Slightly soluble in water
- Appearance: Colorless, transparent liquid
Dangerousness
- Hazard symbols: R20, 21
- Health hazards: Skin contact with liquid nitrogen can cause frostbite. Large quantities of liquid nitrogen exposed to air may lead to a drop in oxygen levels, resulting in hypoxia and asphyxiation.
Application
- Medical field: Cryopreservation of animal sperm, human tissues, skin, etc.; cryotherapy for warts, corns, breast cancer, and other conditions.
- Industrial applications: Used as a deep-cryogenic refrigerant, for low-temperature physics research, nitrogen fertilizer production, chemical analysis, and more.
- Food industry: Rapid freezing and transportation of food products, production of ice products, and more.
Storage and Transportation
- Should be stored in a cool, well-ventilated warehouse and transported and stored using dedicated liquid nitrogen tanks.
Liquid nitrogen, with its extremely low temperature and inert properties, finds wide applications in numerous fields. However, when using it, caution must be exercised to ensure safety—avoid direct contact and prevent oxygen deficiency.
Related products
Applications of Industrial Oxygen
Applications of Medical Oxygen
Applications of Carbon Dioxide (CO2)
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