The orange smoke going up in chemical blast is due to acids to make gunpowder in Russian Chemical Plant

 begin partial quote from: 

https://www.cnn.com/2024/11/09/europe/ukraine-russia-chemical-plant-intl/index.html

The key target, the gunpowder production shop, was emitting orange smoke due to the release of acids, the SBU said. A source also confirmed damage to the Aleksinskaya thermal power plant. saying that a 110 kV power transmission line was damaged. 

to more easily read whole article here is a link to my page where I quoted it: 

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