120LB DIPTUBE Tank High Purity USA N-BUTANE R600 - 99.5% Guaranteed120LB DIPTUBE Tank High Purity USA N BUTANE R600 99. 5% Guaranteed This solvent is instrument grade and helps produce a higher quality extract through the reduction of mystery oils and contaminants. This N Butane is colorless, odorless, and clean. Butane is commonly used for butane extractions which occurs in a closed loop extraction system. Given that butane has a boiling point of 30. 2F, it can easily be re condensed without the use of extreme