PYREX 250mL Chromatography Column with Reservoir and PTFE Stopcock

The PYREX 2146-19 250mL Chromatography Column is laboratory glassware designed for column chromatography and controlled separation or purification of chemical mixtures. It features an integrated 250mL reservoir at the top for holding the mobile phase or eluent and a long 22mm OD × approximately 300mm column section. A 2mm straight-bore PTFE plug stopcock at the bottom provides controlled regulation of liquid flow through the packed stationary phase. The upper opening can accommodate a No. 2 rubber stopper, providing additional flexibility for laboratory setups. Key Features Genuine Corning PYREX® Product number 2146-19 250mL reservoir Integrated top reservoir Approx. 22mm outside diameter Approx. 300mm column height 2mm straight-bore PTFE plug stopcock Controlled eluent flow Transparent glass allows visual monitoring Top opening accepts a No. 2 rubber stopper Suitable for packed-column separation and purification 1 unit per pack 1 unit per case Specification Details Brand PYREX® Manufacturer Corning Catalog Number / MPN 2146-19 Product Type Chromatography Column Reservoir Capacity 250mL Column Feature Integrated Reservoir Approx. Outside Diameter 22mm Approx. Height 300mm Stopcock Material PTFE Stopcock Style Straight Bore Stopcock Bore 2mm Reservoir Position Top Compatible Top Stopper No. 2 Rubber Stopper Quantity per Pack 1 Quantity per Case 1