PYREX 100mL Round Bottom Boiling Flask with Short Neck and 14-20 Standard Taper Joint – 4321A-100

The PYREX 100mL Short Neck Round Bottom Boiling Flask is manufactured from durable No. 7740 borosilicate glass for laboratory heating, boiling, distillation and chemical solution preparation. It features a short neck with a 14/20 standard taper joint for connection to compatible laboratory apparatus. Its spherical construction promotes uniform heating and makes it suitable for research, pharmaceutical, chemical and educational laboratories. Key Features - 100mL Capacity: Suitable for small-volume laboratory heating, boiling and chemical reactions. - Borosilicate Glass: Manufactured from PYREX No. 7740 glass for chemical durability and thermal resistance. - Round Bottom Design: Promotes uniform heat distribution. - Short Neck: Compact construction for laboratory assemblies. - 14/20 Standard Taper Joint: Full-length outer ground-glass joint for compatible laboratory glassware. - Heat Resistance: Normal working temperature of 230°C. - Thermal Shock Resistance: Controlled wall thickness provides a balance of thermal and mechanical strength. - Dimensions: Approximately 65mm outside diameter and 95mm overall height. - Reusable Construction: Suitable for repeated laboratory use. - Applications: Heating, boiling, distillation and solution preparation. Parameter Specification Brand PYREX Manufacturer Corning Product Code 4321A-100 Product Type Laboratory Boiling Flask Nominal Capacity 100mL Material No. 7740 Borosilicate Glass Flask Shape Spherical Bottom Type Round Bottom Neck Style Short Neck Top Style Standard Taper Joint Joint Size 14/20 Joint Type Full-Length Outer Standard Taper Joint Outside Diameter Approximately 65mm Overall Height Approximately 95mm Normal Working Temperature 230°C Thermal Resistance Thermal Shock Resistant Chemical Resistance Excellent Chemical Durability Glass Colour Clear / Transparent Stopper Included No Reusability Reusable Manufacturer Quantity per Pack 1 Piece Manufacturer Quantity per Case 12 Pieces Compatible Kit Corning Organic Chemistry Kit 6949K Applications Heating, Boiling, Distillation, Chemical Reactions and Solution Preparation