Day June 16, 2026

Definition Fluorosulfonic acid (FSA), also known as fluorosulfuric acid, is a highly corrosive inorganic acid with the chemical formula FSO₃H and a molecular weight of 100.06. It is a colorless liquid known for its extremely strong acidity and high chemical…

Definition Diethyl carbonate (DEC), also known as ethyl carbonate, is an organic carbonate compound with the molecular formula C₅H₁₀O₃ and a molecular weight of 118.13. It is a colorless, transparent liquid with a slight irritating odor and exhibits many of…