Is It Legal To Buy Liquid Nitrogen -

Large companies like Airgas and Messer supply gases to both businesses and individuals.

Some university science departments sell small amounts to the public, often at lower rates than commercial distributors. is it legal to buy liquid nitrogen

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

Although you do not need a license to buy it, suppliers typically require you to meet specific conditions before they will complete a sale: While the substance itself is not a "controlled"

Many local distributors (e.g., welding supply shops) may require you to review safety protocols or sign a liability waiver.

Local independent welding shops are often the most accessible source for small quantities.

For safety, filling is almost always handled by trained professionals at the supply facility rather than the customer. 2. Common Suppliers