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Ethylene Oxide Prices Rise in August-September: Geopolitical Factors and Supply Chain Impacts

In September 2026, the conflict between the United States and Iran intensified, causing a fluctuation in oil prices and a sharp fluctuation in ethylene oxide market prices. Brent crude broke through the USD100 mark.

This conflict caused the market to concern about the tight supply of the global ethylene oxide industry chain, supply for ethylene, ethylene glycol, polycarboxylate superplasticizer, monothanolamine, diethanolamine, ethylene oxide derivatives and other chemical products increased by different levels. The ethylene oxide market supply, with the price increase accelerating sharply. The industrial shortage of ethylene oxide supply has become the core driving force for the continuous rise in this cycle.

Production Restrictions and Regional Supply Variation

The production of ethylene oxide has been affected by maintenance in the three Jiangsu and Yinchuan, Taiyuan, Yangquan chemical plants, and Huainan. Relatively continued to be in maintenance load, two new 60,000 tons production lines were temporarily shut down, with a total capacity of 120,000 tons. The market supply reduction, coupled with the improving market demand, further accelerated, associated production restricted by ethylene glycol, exacerbating the tightness of ethylene oxide supply. As of September 18th, the price of ethylene oxide in the East China market rose to 9,700 yuan per ton, an increase of 23% compared with the beginning of September.

Recently, due to extremely high methanol prices, multiple start-ups of TDO production enterprises have been postponed, and multiple cracking units of naphtha have been postponed.

Global Derivatives Market Chain Reaction

The ethylene oxide price hike triggered a chain rise across its derivative chemicals, including polycarboxylate superplasticizer, monoethanolamine, diethanolamine. Buyers in the concrete additive, textile, and detergent industries all face higher raw material costs. If you are sourcing this raw material, check the Ethylene Oxide product data and supply capacity.


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