PYREX 500mL Round Bottom Boiling Flask with Short Neck and 19-22 Joint – 4320B-500

The PYREX 500mL Short Neck Round Bottom Boiling Flask is a durable laboratory glass flask designed for heating, boiling, distillation, chemical reactions and solution preparation. It features a short neck with a full-length 19/22 standard taper joint for connection to compatible laboratory glassware. Its round-bottom construction supports uniform heating, making it suitable for research, pharmaceutical, chemical and educational laboratories. Key Features - 500mL Capacity: Suitable for laboratory heating, boiling and chemical solution preparation. - Borosilicate Glass: Offers excellent chemical durability and resistance to thermal shock. - Round Bottom Design: Promotes uniform heat distribution during controlled heating. - Short Neck: Compact configuration for laboratory glassware assemblies. - 19/22 Standard Taper Joint: Full-length ground-glass joint for connection to compatible laboratory apparatus. - Compact Dimensions: Approximately 102mm outside diameter and 139mm overall height. - Organic Chemistry Kit Compatibility: Suitable as a replacement flask for specified Corning organic chemistry kits, catalogue numbers 6949 through 6949K. - Reusable Construction: Designed for repeated laboratory applications. - Versatile Applications: Suitable for heating, boiling, distillation and chemical synthesis. Parameter Specification Brand PYREX Manufacturer Corning Product Code 4320B-500 Product Type Laboratory Boiling Flask Nominal Capacity 500mL Material Borosilicate Glass Flask Shape Spherical Bottom Type Round Bottom Neck Style Short Neck Top Style Standard Taper Joint Joint Size 19/22 Joint Type Full-Length Standard Taper Joint Outside Diameter Approximately 102mm Overall Height Approximately 139mm Glass Colour Clear / Transparent Stopper Included No Reusability Reusable Manufacturer Quantity per Pack 1 Piece Manufacturer Quantity per Case 1 Piece Compatible Kit Series Corning Organic Chemistry Kits 6949–6949K Applications Laboratory Heating, Boiling, Distillation, Chemical Reactions and Solution Preparation