A bromine gas leak at Chungbuk National University's Advanced Bio Research Center on May 28 has sent 28 students to hospitals, prompting South Korea's Ministry of Science and ICT to launch an on-site investigation. The incident highlights chemical safety risks in academic labs, relevant for overseas chemical buyers monitoring supply-chain compliance and safety standards in South Korea.
Incident Overview
On May 28 at 7:13 PM local time, a bromine gas leak occurred on the 6th floor of the Advanced Bio Research Center at Chungbuk National University in Cheongju, Seowon-gu. The leak originated from a 500 mL reagent bottle containing bromine that was dropped while being cleaned after a microbiology experiment. Approximately 30 people in the building evacuated immediately.
Casualties and Medical Response
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As of May 29, 28 students have been treated for respiratory distress symptoms. Nine were transported by ambulance to local hospitals, including Jincheon Central Jeil Hospital (3), Hanguk Hospital (2), Hyosung Hospital (2), and Seongmo Hospital (2). The remaining students sought medical care on their own. No serious injuries have been reported, and all affected individuals are expected to recover.
Government Investigation
The Ministry of Science and ICT's Science and Technology Safety Infrastructure Team held an emergency meeting at the site on May 29 at 10:30 AM to determine the cause and assess damage. A ministry official stated, "We have been inspecting the site since immediately after the accident. Fortunately, no serious injuries have been confirmed so far." The ministry is supporting student medical care and plans to develop recovery and prevention measures.
Compliance and Logistics Signals

The building remains under access control. Police and fire authorities are investigating the exact circumstances, including whether any safety regulations were violated. A police official noted, "Relevant agencies are examining the hazardous nature of the substance. Based on the results, we will review any legal violations." This incident may prompt stricter lab safety enforcement in South Korea, potentially affecting chemical handling protocols for importers and distributors supplying academic or research institutions.
China Sourcing Context
Bromine is a key industrial chemical used in flame retardants, water treatment, and pharmaceuticals. While this accident occurred in South Korea, it serves as a reminder for global buyers to verify safety compliance among suppliers, especially those handling hazardous chemicals. Chinese bromine producers, who supply a significant share of the global market, may face increased scrutiny from buyers seeking to ensure safe logistics and handling practices.
Source: Read the original report | Published: May 29, 2026
