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Liquefied Gas Overview

Learn about types of liquefied gases and dry ice and how to order these commodities for your department.

Changes to Liquified Gas and Dry Ice Effective July 1st, 2015.

As of July 1st, 2015, STORE will no longer support the processing of liquified gas and dry ice orders.  Both will be available from Praxair and Airgas.  For more information about the transition, click here.

For compressed gases, see Compressed Gas Cylinders Overview.


Liquefied gas products include oxygen (O2), nitrogen (N2), carbon dioxide (CO2), and argon (Ar2). The most common is N2.


You can order liquid nitrogen, oxygen, and argon in 160L, 180L, and 230L dewars through Marketplace.

Note: If you obtain liquefied gas from an existing bulk tank, contact an authorized person in your department to transfer the gas to your dewar.


These suppliers can provide you with specific information about particular items. When you're ready to make your purchase, contact these vendors and purchase through Marketplace.

Airgas West (Liquids)
Contact: Customer Service
9010 Clairemont Mesa Blvd.
San Diego, CA 92123
Phone: (858) 495-2349
Fax: (858) 279-4894

Praxair (Liquids)
Contact: Customer Service
2205 Newton Ave.
San Diego, CA 92113
Phone: (619) 232-7342

Praxair (Dry Ice)
Contact: Customer Service
8205 Ronson Road, Suite I
San Diego, CA 92111
Phone: (858) 505-0035