Impact of the Iran war on the global chemicals industry

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Part of ADI Analytics’ ongoing coverage of the implications of the Iran conflict across oil & gas, LNG, refined products, and chemicals.

The escalation of the Iran conflict has translated into a direct disruption of global chemical supply chains through reduced reliability of exports and transit via the Strait of Hormuz. Feedstocks and intermediates that lack strategic inventories or alternative routing options—particularly petrochemicals, fertilizers, and specialty gases—are experiencing immediate availability constraints and cost escalation. The resulting shock is driving force majeure declarations, production curtailments, and a rapid reordering of global chemical cost curves, with uneven impacts across regions and product chains.

1. Physical chemical supply chains are disrupted at the source

The disruption of transit through the Strait of Hormuz has interrupted the movement of chemical feedstocks, intermediates, and specialty materials originating in the Middle East. Chemical value chains are structurally exposed because most products move through just‑in‑time logistics without strategic stockpiles or rapid substitution options. Any degradation in export reliability therefore translates quickly into downstream availability risk rather than delayed price adjustments.

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