Is liquid nitrogen safe?

Fascinating entry on the safe handling of Liquid Nitrogen, but it does not address consuming it. I’m reading between the lines that it actually evaporates and your guests are not actually consuming it – but it would be nice to read some scientific data about it not leaving any traces in the food that is actually frozen by it and it’s effect on the DIGESTIVE and not RESPIRATORY system. read more

Liquid nitrogen is one of the cryogenic liquids commonly used in research labs. As “cryogenic” means related to very low temperature, it is an extremely cold material. It is liquefied under high pressure condition and can expand to a very large volume of gas. read more

The safe handling and use of liquid nitrogen in liquid nitrogen dewars or flasks is possible only by knowing the potential hazards and using common-sense procedures based on that knowledge. There are two important properties of liquid nitrogen that present potential hazards: It is extremely cold. read more