Description General description We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product, 0.5 M in 2-methyltetrahydrofuran aligns with Safer Solvents and Auxiliaries, Use of Renewable Feedstocks and Inherently Safer Chemistry for Accident Prevention. Click here for more information. Application Significantly accelerated the polymerization of phenylacetylene in conjunction with rhodium(I) catalysis.[1] Strong organic base in greener solvent, 2-methyltetrahydrofuran (2-MeTHF). 2-Methyltetrahydrofuran (2-MeTHF): A Biomass-Derived Solvent with Broad Application in Organic Chemistry Packaging 4×25, 100, 800 mL in Sure/Seal™ The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product. Legal Information Sure/Seal is a trademark of Sigma-Aldrich Co. LLC