Isobutylene (C4H8) is available in 10 PPM to 500 PPM concentrations of Isobutylene in Air filled into our 34L, 103L, 221L, and 550L steel cylinders. For higher concentrations of Isobutylene, MESA offers a full line of refillable cylinders with enhanced safety and delivery options.

Other part numbers: 1055100, DRA-4594642, MSA-494450, RAE-600-0002-001

Don't forget your Regulator

Be sure to order the appropriate regulator for your application. Below are several of our most popular regulators for use with portable cylinders. 

Series 400 Fixed Flow Regulator 34L (CGA 600)	Series 500 Fixed Flow Regulator 103L (CGA C-10)
Series 600 Multi-Flow Regulator 103L (CGA C-10) 550L (CGA varies with gas)	Series 800 Demand Flow Regulator 103L (CGA C-10) 550L (CGA varies with gas)
Series 300 Pressure Regulator 34L (CGA 600) 221L (CGA 165)	Series 100 Small Body Regulator 103L (CGA C-10)

For the 550L (CGA varies- call us if you need assistance with CGA configurations).  You may select from the standard laboratory grade regulators, the MESA Series 100 Single Stage Regulator or the MESA Series 200 Dual Stage Regulator.  See our Specialty Gas Regulators section.