PYREXPLUS® 250mL PVC-Coated Squibb Glass Separatory Funnel with PTFE Stopcock and Glass Stopper – 66402-250

The PYREXPLUS® 250mL PVC-Coated Squibb Separatory Funnel is a laboratory glass instrument designed for liquid-liquid extraction, solvent separation, and chemical sample preparation. Manufactured from borosilicate glass with a protective PVC coating, it helps reduce glass fragmentation and liquid spills during accidental breakage. The funnel features a pear-shaped body, a chemically resistant PTFE stopcock for controlled liquid discharge, and a hollow glass standard taper stopper. Suitable for pharmaceutical laboratories, analytical chemistry, chemical testing, research institutions, and industrial quality control applications. Key Features & Specifications - 250mL Capacity: Suitable for small-volume liquid-liquid extraction and solvent separation. - Protective PVC Coating: Helps contain glass fragments and minimise spills during accidental breakage. - Borosilicate Glass Construction: Provides chemical resistance and thermal stability. - Pear-Shaped Squibb Design: Facilitates separation of immiscible liquid layers. - No. 4 PTFE Stopcock: Straight-bore chemically resistant stopcock for controlled liquid discharge. - No. 22 Glass Stopper: Hollow standard taper glass stopper for closing the funnel. - 76mm Body Outer Diameter: Compact design for routine laboratory extraction. - 311mm Overall Height: Approximate total height with stopper installed. - 65mm Outlet Stem Length: Supports controlled collection of separated liquids. - 10mm Outlet Stem Outer Diameter: Suitable for routine laboratory dispensing arrangements. - Autoclavable at 121°C: Suitable for moist-heat sterilisation within manufacturer limits. - Replaceable Components: Compatible with Corning replacement PTFE stopcock and glass stopper accessories. Specification Details Brand PYREXPLUS® Manufacturer Corning Product Number 66402-250 Product Type Squibb Separatory Funnel Capacity 250mL Funnel Shape Pear-Shaped Material Borosilicate Glass Protective Coating PVC Stopcock Type PTFE Product Standard Stopcock Stopcock Style Straight-Bore PTFE Stopcock Plug Number No. 4 Replacement Stopcock Corning 7681-4 Stopper Type Glass Standard Taper Stopper Number No. 22 Stopper Material Hollow Glass Replacement Glass Stopper Corning 7650-22 Body Outer Diameter Approximately 76mm Height with Stopper Approximately 311mm Outlet Stem Outer Diameter Approximately 10mm Outlet Stem Length Approximately 65mm Autoclavable Yes, at 121°C Maximum Moist-Heat Temperature 121°C Maximum Dry-Heat Temperature 110°C Graduated No graduated measurement scale specified Quantity per Pack 1 Piece Quantity per Case 4 Pieces Reusable Yes