US-Iran Standoff Shocks Shift from Oil to Global Chemical Chain.

Mar 9 , 2026

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(March 5, 2026) The shockwaves from the US-Iran standoff are now fully transmitting from the crude oil market to the global chemical industry chain. As the "mother of chemicals," crude oil prices have risen for five consecutive days, with a cumulative increase of over 22%. Coupled with feedstock transport disruptions caused by shipping controls in the Strait of Hormuz, the entire global chemical chain—from upstream naphtha and olefins, to midstream chemical fibers, plastics, and pesticides, and further downstream to lithium batteries, photovoltaics, automobiles, and daily necessities—is facing mounting cost pressures.

Based on the latest market data from March 5, this report objectively breaks down the transmission logic of the conflict through the chemical chain, analyzes the real impact on various segments, and assesses the actual effects on domestic manufacturing and ordinary consumers. The goal is to present a clear industrial context without exaggeration or misinformation.

Upstream Feedstocks: Record Daily Gains

Naphtha prices surged 6.8% in a single day (Middle East FOB quotes jumped by $32/ton, an increase of over 7%).
Ethylene prices rose 5.2%.
Propylene prices increased 4.7%.
Benzene prices climbed 6.1%.
All these upstream materials recorded their largest single-day gains since 2025.

Midstream Chemical Products

Polyethylene (PE): Up 3.9%
Polypropylene (PP): Up 4.2%
Polyester Chips: Up 5.3%
Monoethylene Glycol (MEG): Up 4.8%
Urea: Up 9.3%
Methanol: Up 3.7%
China's domestic chemical futures market saw broad gains, with over 20 chemical contracts closing higher for main contracts.

Downstream Related Products

Lithium battery electrolyte solvents: Up 3.1%
Photovoltaic EVA resin: Up 2.8%
Chemical filament yarns: Up 3.5%
Plastic packaging materials: Up 2.6%
Multiple global chemical giants have already issued price hike notices, set to take effect from mid-March, with increases reaching as high as 20%.

Shipping & Inventory

Freight rates for liquid chemical tankers on the Middle East-to-East Asia route jumped 22% in a single day.
Vessel waiting times at key chokepoints have exceeded 72 hours.
Inventory levels of chemical products at major domestic ports have shown a slight decline.
Trader sentiment is turning toward holding back supplies, with spot shortages emerging for certain scarce chemical varieties.

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US-Iran Standoff Shocks Shift from Oil to Global Chemical Chain.