PYREX® 250mL Flat Bottom Florence Boiling Flask with Long Neck 4060-250

PYREX® 250mL Florence Boiling Flask 4060-250 is a durable laboratory flask manufactured from No. 7740 borosilicate glass for heating, boiling and preparing chemical solutions. Its flat-bottom construction provides stability, while the long neck and tooled mouth support convenient handling and closure with a suitable rubber stopper. Key Features & Specifications - Capacity: 250mL - Material: No. 7740 borosilicate glass - Flask Type: Florence boiling flask - Bottom Design: Flat bottom - Neck Style: Long neck - Mouth Design: Tooled mouth - Overall Height: Approximately 134mm - Outer Diameter: Approximately 82mm - Rubber Stopper Compatibility: No. 5 - Normal Working Temperature: Up to 230°C - Thermal Resistance: Controlled wall thickness for improved resistance to thermal shock - Chemical Resistance: Suitable for general laboratory chemical applications - Application: Laboratory heating, boiling, mixing and solution preparation - Packaging: 6 pieces per manufacturer's pack; 24 pieces per case - Stopper Included: No - Manufacturer: Corning - Product Code: 4060-250