Chemical Name Amount per 100 Aldrich Catalog # students (g or mL) EH&S Dicyclopentadiene 345 g 454338 Maleic anhydride 5 g M188 Ethyl acetate 20 mL 270989 *F Petroleum ether 20 mL 320447 Calcium chloride, anhyd. 25 g 793639 Comparative Analysis of Traditional vs. Suggested Experiments Greener method uses water as a solvent and eliminates the need for hazardous organic solvents. Greener method has overall lower EH&S hazard profile. The comparative costs for all reagents per 100 students for this experiment is $54 for the Greener method versus $37 for the Traditional method. Actual costs will vary. Waste Reduction Benefits “Greener” (per 100 students) 2500 mL aqueous Greener method waste 390 mL liquid waste Traditional method 25 g solid waste
Chemical Name Aldrich Catalog # Amount per 100 students (g or mL) EH&S Dicyclopentadiene 454338 345 g Maleic anhydride M188 5 g Ethyl acetate 270989 20 mL Petroleum ether 320447 20 mL *F Calcium chloride, anhyd. 793639 25 g Comparative Analysis of Traditional vs. Suggested Experiments Greener method uses water as a solvent and eliminates the need for hazardous organic solvents. Greener method has overall lower EH&S hazard profile. The comparative costs for all reagents per 100 students for this experiment is $54 for the Greener method versus $37 for the Traditional method. Actual costs will vary. Waste Reduction (per 100 students) “Greener” Benefits Greener method 2500 mL aqueous waste Traditional method 390 mL liquid waste 25 g solid waste