Farmers use liquid nitrogen for artificial insemination, so cattle supply chains often carry it.
Yes, it is generally for private individuals and businesses to purchase liquid nitrogen without a special license or permit in most jurisdictions . While the substance itself is not a "controlled" item, its purchase and possession are subject to strict safety regulations and logistical requirements due to its hazardous nature. 1. Purchase Requirements
Large companies like Airgas and Messer supply gases to both businesses and individuals. is it legal to buy liquid nitrogen
Suppliers will not dispense liquid nitrogen into standard thermoses or unapproved containers. You must provide or purchase a Dewar , a specialized vacuum-insulated flask designed to safely vent gas as the liquid boils.
Local independent welding shops are often the most accessible source for small quantities. Farmers use liquid nitrogen for artificial insemination, so
For safety, filling is almost always handled by trained professionals at the supply facility rather than the customer. 2. Common Suppliers
Although you do not need a license to buy it, suppliers typically require you to meet specific conditions before they will complete a sale: You must provide or purchase a Dewar ,
Some university science departments sell small amounts to the public, often at lower rates than commercial distributors.