Mumu Ya's face quickly contorted into a strange expression.
"Mr. Sen, there's another additional task," Mumu Ya thought to himself.
"Speak," Mu Rufeng said tersely.
"He asked me to pour a barrel of formalin solution into the fireplace on the first floor," Mumu Ya contemplated.
"Formalin?" Mu Rufeng frowned slightly.
Formalin is an aqueous solution of formaldehyde, colorless and transparent, with corrosive properties, and its strong volatility of formaldehyde is evident as soon as it is opened, immediately releasing a strong pungent odor.
Formaldehyde is a compound of carbon, hydrogen, and oxygen, normally in a gaseous state with strong irritating properties to the eye membrane and respiratory organs.
The formaldehyde content in formalin ranges from 35% to 40% (usually 37%), also containing 10% to 15% methanol to prevent polymerization, serving as a preservative, a disinfectant, and a bleaching agent.
Medical students commonly use formalin to preserve bodies.
