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Stay on spec, all the time
With high-purity specialty pure gases from Airgas, an Air Liquide company.
Meet quality standards with high‑purity gases
You can depend on Airgas for reliable supply of high-purity specialty gases that meet your quality standards while guaranteeing accuracy for your important measurement and analytical work.
- From acetylene to xenon, select from 50+ pure gases for any application
- Available supply modes:
- Cylinders and tube trailers for compressed gas
- Dewars and MicroBulk for liquid form
- Packs for larger and continuous consumption needs
- A large variety of gas handling equipment to preserve gas purity to the point of use
Count on Airgas for flexible and reliable pure specialty gas supply
70+
Specialty gas experts
370+
Fill plants
80+
ISO accredited fill plants*
900+
Retail branches
*ISO 9001: 81 registered Airgas sites (NSF); ISO 17025: 11 accredited sites (A2LA); ISO 17034: 1 accredited site (A2LA); ISO 17043: 1 accredited site (A2LA).
See what’s innovative in pure specialty gas supply
Resources to keep you ahead
![An Airgas driver delivering two gas cylinders](/medias/2609-Resources-SpecGas.jpg?context=bWFzdGVyfHJvb3R8MTEyODJ8aW1hZ2UvanBlZ3xoYzgvaGIwLzEyMDY0MTcwODAzMjMwLmpwZ3xhZDJjOTZmNDI2NDRmNGZiNmZjY2E4YjMzODI2NjM3MjQzNTY0M2ZkYTVlMzNhZTY3Mjk4OWYzZWMwYTM1ZTYz)
Specialty Gas and Equipment
Depend on your source for specialty gases, and laboratory safety products
View the Catalog
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Gases serve multiple roles throughout industry
Learn about our most popular gases and how they’re used in your industry.
Explore Gases 101
![Cover art for eBook #1 Understanding Gas Types & Hazards](/medias/2609-Resources-eBook-LiquidCylinders.jpg?context=bWFzdGVyfHJvb3R8OTIzM3xpbWFnZS9qcGVnfGg0Zi9oY2YvMTIwNjA3MTQ2MzExOTguanBnfGYxNjU2NzcwM2NiNWEwYTgyYzQ2YTg0ZjZhZjI0Y2I3Y2JlYjYwYjAyMjU4ZmUwOTk4ZGM5ODljZGJlNjk4YTI)
Compressed Gas Safety eBooks
Learn how to stay safe when handling, transporting, storing and using compressed gas cylinders.
Unlock the eBook Series
![Cover art for eBook #1 Understanding Gas Types & Hazards](/medias/2609-Resources-eBook-LiquidCylinders.jpg?context=bWFzdGVyfHJvb3R8OTIzM3xpbWFnZS9qcGVnfGg0Zi9oY2YvMTIwNjA3MTQ2MzExOTguanBnfGYxNjU2NzcwM2NiNWEwYTgyYzQ2YTg0ZjZhZjI0Y2I3Y2JlYjYwYjAyMjU4ZmUwOTk4ZGM5ODljZGJlNjk4YTI)
Compressed Gas Safety eBooks
Learn how to stay safe when handling, transporting, storing and using compressed gas cylinders.
![Weld quality review session in an Unlocking the Hidden Cost of Welding class](/medias/2609-GasSupplyModes-Resources-0001-4-SDS.jpg?context=bWFzdGVyfHJvb3R8MjE1MzR8aW1hZ2UvanBlZ3xoYjEvaDc4LzEyMDYwMzU5OTgzMTM0LmpwZ3xiOGUzM2Y4YWIwMzNjNGE1N2Y2YWJmZDZmMGVkMzJlZTNiOWZlM2JjODEwZjI4ZGRjOWZhODdhMWY4Y2IyNzcy)
Search Safety Data Sheets
Find Safety Data Sheets for gases produced by Airgas and RADNOR™-branded hardgoods.
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Talk to an expert about your gases, hardgoods and safety needs.