selective focus of pure dichloromethane, chloroform and tetrachloromethane liquid chemical compound set in dark glass bottles.

amber analysis background beaker bottle bottles brown carbon chemical chemicals chemistry chloride chloroform compound container copy dark dichloromethane experiment flask focus glass harmful hazard hazardous industrial industry inside jar lab label labeled laboratory liquid methylene organic poisoning pure reagent research science scientific selective set solution solvent solvents space study substance tetrachloride tetrachloromethane three toxic trichloromethane white