This is the ICIS pricing methodology for para/ortho-xylenes. ICIS pricing quotes paraxylene and orthoxylene in combined reports published separately 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 Para~Ortho-Xylenes Methodology – 13 April 2022