1,3-Butadiene is a simple diene with the formula C4H6 . It is an important industrial chemical used as a monomer in the production of synthetic rubber. Annual production 115,000 tons.
lysis
Unit
Specification
Analysis Method
1,3 - Butadiene
wt %
Min. 99.6
ASTM D 2593
1,2 - Butadiene
wt ppm
Max. 100
Total Butenes
Max. 0.5
Total Acetylenes
Max. 60
TBC
50-200
BASF’s method
Dimer (VCH)
Max. 0.1
ASTM D 2426
Peroxides
Max. 5
Non Volatile Residue
Total Sulfur
ASTM D 5453
Oxygen in Vapor Phase
mol %
Max. 0.2
PORTABLE TRACE OXYGEN ANALYZER