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How to Order Compressed Gas

Read important information and follow the steps on this page if you are responsible for ordering compressed gas.

Important: To ensure the safe use and storage of Class I, II, or III gases, contact the chemical safety officer, (858) 822-1579, before you order material.

Note: Use Marketplace, UCSD's online buying site to order compressed gas.

For liquefied gas, please see Liquefied Gas Overview.

STORE through Marketplace provides compressed gas in two ways:

  1. Gas sold in pre-filled cylinders: STORE through Marketplace offers a variety of compressed gases in cylinders. All rental, handling, and shipping fees are included in the price shown on Marketplace for customer convenience.
  2. Refills for customer-owned gas cylinders (COC): Cylinders are picked up and may take 1 to 3 weeks to be returned to the customer.

If you do not see the item you need, please contact STORE to special order.

Additional compressed gas services: Please contact STORE to order these services:

  • Relocation of cylinders
  • Equipment repairs
  • Conversions of customer-owned cylinders from one type of gas to another

For cylinder pickup, contact us through ASK (login required)

For billing questions, contact us through ASK (login required)

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In-stock gas

  • Order your compressed gas from STORE through Marketplace. If you see the item you want, you can place your order. If you don't see the item, follow the instructions for specialty gas.
  • In-stock gas can be delivered within 1 to 2 business days after you've placed the order.
  • STORE's catalog in Marketplace can be accessed through the "Ethanol, Specialty Gases, and Water (STORE)" link on the Marketplace homepage.

MP Store Catalog

Specialty gas

  • Order your specialty gas from STORE through Marketplace.  Use iRequest:Specialty Gas and Cyclinder Hardware.
  • Lead times are dependent on the gas ordered and will be included with the quote
Note: You may not return specialty gas for credit, unless the vendor has made an error.

Refill customer-owned gas cylinder (COC)

  • Contact STORE through ASK. STORE will process a pickup order for your empty cylinder.
  • Please provide the following information:
    • Contact name
    • Phone number
    • Index number
    • Location of the cylinder
    • Type of gas for refill
    • Cylinder ID #
  • Customer-owned gas cylinders may take 1 to 3 weeks to be returned to the customer.

Note: If you are considering purchasing a cylinder, contact us through ASK.

Empty Cylinder Pickups

  • Contact STORE through ASK. STORE will process a pickup order for your empty cylinder.
  • Please provide the following information:
    • Contact name
    • Phone number
    • Index number
    • Location of the cylinder
    • UCSD ID number on the cylinder

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