Acetylene (C2H2)


We offer acetylene gas (C2H2) in a variety of purities and packages. See the chart below and download the spec sheets and safety data sheets for more information on buying acetylene gas from Praxair.

Product Name Concentration Safety Data Sheet Spec Sheet
Acetylene Gas 98.0%

Acetylene Gas Safety Data Sheet (70KB)

Chemical Acetylene Gas (C2H2) > 99.2%

Chemical Acetylene Gas (C2H2) (Trailer Acetylene) Safety Data Sheet (72.1KB)

Acetylene, AA Grade for Atomic Absorption 99.6%

Acetylene, AA Grade Spec Sheet (146KB)

At Praxair, we develop the right grades for the right applications. Give us a call and we'll help you determine the best supply option for your operations.

Uses & Applications of Acetylene Gas by Industry

Automotive & Transportation Equipment

Acetylene is used as a key component in low pressure carburizing. It provides the precise carbon source automotive manufacturers need to create a strong, wear-resistance surface layer on steel parts.

Heat Treating

Welding & Metal Fabrication

Acetylene offers the hottest flame temperature of all commercially available fuel gases, making it an ideal atmosphere for oxy-fuel welding and cutting, as well as brazing applications.

Cutting Processes 
Welding Processes 

Explore other industries that use acetylene.

Aerospace & Aircraft
Pharmaceutical & Biotechnology

Acetylene Gas (C2H2) Supply: Tanks, Cylinders, Clusters, Packs & Trailers

Cylinders & Liquid Containers

For smaller specialized applications, we offer acetylene gas (C2H2) in cylinders that range from 10 to 450 cubic feet. We also offer acetylene gas in clusters consisting of nine large cylinders manifolded together to contain 4,050 cubic feet.

Bulk & Microbulk Delivery

We deliver acetylene in bulk trailers that range from 78,000 to 90,000 cubic feet. Experience the flexibility of supply pressure and flow rate with Praxair’s bulk delivery

Not sure what’s right for you?

At Praxair, our scale and reach lets us supply any gas, for any application, almost anywhere in the world — safely, reliably and cost-effectively. Give us a call and we'll help you determine the best supply option for your operations.