PYREX® 500mL Squibb Glass Separatory Funnel with No. 4 PTFE Stopcock and No. 27 Polyethylene Stopper – 6404-500

The PYREX® 500mL Squibb Glass Separatory Funnel is a durable laboratory glass 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 high-density polyethylene (HDPE) standard taper stopper, the funnel provides controlled liquid discharge and effective separation of immiscible liquids. The PTFE stopcock fits into a micro-finished glass barrel, helping prevent sticking and reducing grease contamination. Suitable for pharmaceutical laboratories, chemical testing facilities, biotechnology laboratories, research institutions, and educational laboratories. Corning+1 Key Features - 500mL Capacity: Suitable for medium-volume liquid-liquid extraction and solvent separation. - Squibb Pear-Shaped Design: Facilitates separation and controlled drainage of immiscible liquids. - No. 4 PTFE Stopcock: Chemically resistant straight-bore stopcock for controlled liquid flow. - No. 27 Polyethylene Stopper: Closed-bottom HDPE standard taper stopper provides convenient closure. - Micro-Finished Stopcock Barrel: Helps reduce sticking and eliminates the need for grease lubrication. - Durable Laboratory Glass: Provides good chemical resistance for routine laboratory applications. - 96.3mm Body Diameter: Suitable for laboratory extraction procedures. - 354mm Overall Height: Convenient 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 polyethylene stoppers and PTFE stopcock assemblies are available. - Complete Assembly: Includes the glass funnel body, PTFE stopcock, and polyethylene stopper. Specification Details Brand PYREX® Manufacturer Corning Product Number 6404-500 Product Type Laboratory Separatory Funnel Funnel Style Squibb Separatory Capacity 500mL Material Laboratory Glass Body Shape Pear-Shaped Body Outer Diameter Approximately 96.3mm Overall Height with Stopper Approximately 354mm Stopcock Type PTFE Product Standard Stopcock Style Straight-Bore PTFE Stopcock Plug Number No. 4 Stopcock Barrel Micro-Finished Glass Stopper Type Standard Taper Polyethylene Stopper Number No. 27 Stopper Material High-Density Polyethylene (HDPE) Stopper Design Closed Bottom Stem Outer Diameter Approximately 10mm Stem Length Below Stopcock Approximately 65mm PTFE Stopcock Included Polyethylene Stopper Included Replacement Polyethylene Stopper Corning 7624-27 Replacement PTFE Stopcock Assembly Corning 7681-4 Quantity per Pack 1 Piece Quantity per Case 4 Pieces