This is the ICIS pricing methodology for butadiene/C4s. ICIS quotes butadiene/C4s prices in Europe, Asia-Pacific and the US Gulf.

ICIS continuously develops, reviews and revises its methodologies in consultation with industry participants. Previous versions of this methodology can be found under Archived Documents. For a copy of an archived methodology document, please email

To find out more, please see Butadiene Methodology – 23 September 2021