New details have transpired of the recent Ukrainian drone attack on the Promsintez chemical plant, a key manufacturer of explosive compounds in Chapaevsk, russia. The strike, delivered on the night of April 5, damaged the production line, storage facilities, and administrative buildings. A nitric acid leak was also reported in the area.
While the regional governor Fedorishchev did not disclose the name of the targeted facility or the nature of the incident, details were later revealed by the Dosye_shpiona Telegram channel, known for its links to russian intelligence services.
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Promsintez is considered one of russia’s leading producers of industrial explosives. According to the Telegram channel, the facility was hit by 13 strike drones. As a result, critical production units sustained heavy damage — including lines for the nitration of pentaerythritol tetranitrate (PETN), TNT, and benzene.
According to the insiders, a TNT production line was hit. Administrative buildings, finished product storage sites, and chemical reagent tanks were among the affected targets as well. The report also mentioned secondary detonations at the site, caused by the nature of the materials produced there.
Following the attack, russian opposition media ASTRA reported a nitric acid leak at the plant, although local authorities have denied or concealed the incident. According to the report, the spill was neutralized using baking soda, but toxic nitric acid vapors had already been released into the air.
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