Iran’s accusation of war crimes against the US and Israel on April 16 sent immediate shockwaves through energy markets, threatening to escalate a conflict that has already severely disrupted global petrochemical supply chains.
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Iran’s accusation of war crimes against the US and Israel on April 16 sent immediate shockwaves through energy markets, threatening to escalate a conflict that has already severely disrupted global petrochemical supply chains.

Iran accused the US and Israel of committing a “war crime” for the assassination of its officials, a dramatic escalation in rhetoric that pushed West Texas Intermediate crude oil prices up 8 percent at the market open on fears of wider supply disruptions.
"This is not just a crime against Iran, but a crime against international peace and security," Iranian Foreign Ministry spokesperson Baghaei said in an interview with Russian media on April 16, adding that the act constituted both a "war crime and a crime against humanity."
The market reaction was swift, with WTI crude surging to its highest level in months. The move reflects growing investor concern over the stability of Middle East energy exports, particularly through the Strait of Hormuz, where vessel traffic plunged approximately 95 percent in March, according to the United Nations Conference on Trade and Development.
The statement puts direct military and political pressure on Washington and Tel Aviv, increasing the risk of retaliatory actions that could further endanger the 20 percent of global oil flows that pass through the Strait of Hormuz. Analysts warn that even a ceasefire would not return prices to pre-conflict levels in the short term, as sustained uncertainty slows investment and reshapes global energy trade flows.
The conflict is inflicting a blow to the global petrochemical industry that analysts say surpasses previous crises in scope and scale. "Compared with the two oil crises in the 1970s, today's global petrochemical capacity is far larger, supply chains are more integrated, and regional interdependence is tighter," said Zhou Ying, a senior energy analyst at Independent Commodity Intelligence Services (ICIS). "The supply gap and the range of affected products triggered by the disruption far exceed historical levels."
The impact has been particularly severe in Asia. Methanol prices across Asian markets soared between 68 percent and 141 percent in the first week of April from late February, according to ICIS price assessments. Polyethylene prices are also a key concern, as the Middle East is one of the world's two largest exporting regions for the material. "The Strait of Hormuz is the primary shipping route of producers from Saudi Arabia, Qatar, Kuwait, and other regions," noted ICIS analyst Yu Ting.
The crisis is accelerating a fundamental reshaping of global chemical capacity and trade patterns. According to ICIS analyst Sun Lijia, Asia's heavy reliance on single-source imports from the Middle East is likely to end. The importance of alternative petrochemical feedstock sources, including the US, Russia, and Africa, is expected to rise markedly as importers seek to diversify their supply chains.
"Even if costs are somewhat higher, their 'security premium' will be repriced," Sun said, highlighting a long-term shift in risk calculation. This sustained uncertainty is also expected to suppress downstream companies' willingness to restock and slow their investment pace, an effect that could outlast the conflict itself.
The damage extends to liquefied natural gas (LNG) markets. Two of QatarEnergy's LNG trains were damaged in the conflict, leaving the global market with a sustained supply shortage of 12.8 million tons per year, said Xu Fei of ICIS. "Global natural gas fundamentals have shifted from an expected supply surplus to a state of tight balance," Xu noted.
This article is for informational purposes only and does not constitute investment advice.