PYREX® 1000mL Squibb Glass Separatory Funnel with No. 4 PTFE Stopcock and No. 27 Glass Stopper – 6402-1L

The PYREX® 1000mL 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 glass standard taper stopper, the funnel provides controlled liquid discharge and efficient separation of immiscible liquid phases. Its PTFE stopcock fits into a micro-finished glass barrel, helping prevent sticking and eliminating grease contamination. Suitable for pharmaceutical laboratories, chemical testing facilities, biotechnology laboratories, research institutions, and educational laboratories. Corning+1 Key Features - 1000mL 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 provides controlled liquid flow. - No. 27 Glass Stopper: Hollow standard taper glass stopper provides a close-fitting closure. - Micro-Finished Stopcock Barrel: Helps prevent sticking and eliminates the need for grease lubrication. - Borosilicate Glass Construction: Offers good chemical resistance and thermal stability. - 119mm Body Diameter: Suitable for laboratory extraction procedures. - 392mm Overall Height: Convenient for use with laboratory support stands. - 65mm Stem Below Stopcock: Facilitates controlled liquid drainage into receiving containers. - Replaceable Components: Compatible glass stoppers and PTFE stopcock assemblies are available. - Reusable Construction: Designed for repeated laboratory extraction procedures. Specification Details Brand PYREX® Manufacturer Corning Product Number 6402-1L Product Type Laboratory Separatory Funnel Funnel Style Squibb Separatory Capacity 1000mL (1L) Material Borosilicate Glass Body Shape Pear-Shaped Body Outer Diameter Approximately 119mm Overall Height with Stopper Approximately 392mm 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 Series Corning 7650 Replacement PTFE Stopcock Series Corning 7681 Quantity per Pack 1 Piece Quantity per Case 1 Piece Applications Liquid-Liquid Extraction, Solvent Separation, Chemical Analysis, Pharmaceutical Sample Preparation