PYREX® 500mL Squibb Glass Separatory Funnel with No. 4 PTFE Stopcock and No. 27 Glass Stopper – 6402-500

The PYREX® 500mL Squibb Glass Separatory Funnel is a high-quality borosilicate glass laboratory instrument designed for liquid-liquid extraction, solvent separation, and chemical sample preparation. Featuring a pear-shaped glass body, a No. 4 PTFE Product Standard stopcock, and a No. 27 hollow standard taper glass stopper, the funnel enables controlled liquid discharge and efficient separation of immiscible liquids. Its PTFE stopcock fits into a micro-finished glass barrel, helping prevent sticking and eliminating the need for grease lubrication. Suitable for pharmaceutical laboratories, chemical testing facilities, biotechnology laboratories, research institutions, and educational laboratories. Key Features - 500mL Capacity: Suitable for medium-volume liquid-liquid extraction and solvent separation. - Squibb Pear-Shaped Design: Facilitates effective separation and controlled drainage of immiscible liquids. - No. 4 PTFE Stopcock: Chemically resistant straight-bore stopcock for precise liquid flow control. - No. 27 Glass Stopper: Hollow standard taper glass stopper provides a close-fitting closure. - Micro-Finished Stopcock Barrel: Helps prevent sticking and reduces grease contamination. - Borosilicate Glass Construction: Provides good chemical resistance and thermal durability. - 96.3mm Body Diameter: Compact design for routine laboratory extraction procedures. - 355mm Overall Height: Suitable for laboratory support stand arrangements. - 10mm Stem Outer Diameter: Supports controlled liquid drainage. - 65mm Stem Below Stopcock: Facilitates directed liquid discharge into receiving containers. - Replaceable Components: Compatible PTFE stopcock assemblies and glass stoppers are available. - Reusable Construction: Suitable for repeated laboratory separation procedures. Corning+1 Specification Details Brand PYREX® Manufacturer Corning Product Number 6402-500 Product Type Laboratory Separatory Funnel Funnel Style Squibb Separatory Capacity 500mL Material Borosilicate Glass Body Shape Pear-Shaped Body Outer Diameter Approximately 96.3mm Overall Height with Stopper Approximately 355mm Stopcock Type PTFE Product Standard Stopcock Style Straight-Bore PTFE Stopcock Plug Number No. 4 Stopcock Barrel Micro-Finished Glass Stopper Type Standard Taper Glass Stopper Stopper Number No. 27 Stopper Style Hollow Glass Stem Outer Diameter Approximately 10mm Stem Length Below Stopcock Approximately 65mm PTFE Stopcock Included Glass Stopper Included Grease Lubrication Required No Replacement Glass Stopper Corning 7650-27 Replacement PTFE Stopcock Assembly Corning 7681-4 Quantity per Pack 1 Piece Quantity per Case 4 Pieces Applications Liquid-Liquid Extraction, Solvent Separation, Chemical Analysis, Pharmaceutical Sample Preparation