PYREX 250mL Three Neck Distilling Flask with 19-22 Standard Taper Joints

The PYREX 250mL Three Neck Distilling Flask is a high-quality borosilicate glass laboratory flask designed for distillation, reflux reactions, chemical synthesis and scientific research. It features one vertical center neck and two angled side necks, all equipped with precision 19/22 standard taper joints for secure connections to compatible laboratory accessories. Manufactured from durable PYREX borosilicate glass, the flask offers excellent chemical resistance, thermal stability and reliable performance. Its round-bottom design supports uniform heating, while the three-neck configuration allows simultaneous attachment of condensers, thermometers and addition funnels. It is suitable for pharmaceutical laboratories, chemical research facilities, educational institutions and industrial laboratories. Key Features - 250mL Capacity: Suitable for small-scale laboratory distillation and chemical reactions. - Three Neck Configuration: One vertical center neck and two angled side necks positioned at the same height. - Uniform Standard Taper Joints: All three necks feature 19/22 standard taper outer joints. - Borosilicate Glass Construction: Provides excellent chemical resistance and thermal stability. - Round Bottom Design: Supports uniform heating during controlled laboratory experiments. - Multiple Accessory Connections: Accommodates compatible condensers, thermometers, addition funnels and other laboratory apparatus. - Reusable Construction: Designed for repeated laboratory use. - Versatile Applications: Suitable for distillation, reflux, chemical synthesis and laboratory research. Specification Details Brand PYREX Manufacturer Corning Incorporated Product Code 4965B-250 Product Type Three Neck Distilling Flask Capacity 250mL Material Borosilicate Glass Flask Shape Round Bottom Flask Style Distilling Number of Necks 3 Center Neck Orientation Vertical Side Neck Orientation Angled Center Neck Joint Size 19/22 Standard Taper Side Neck Joint Size 19/22 Standard Taper (2) Joint Type Standard Taper Outer Joints Approximate Height 128mm Approximate Outer Diameter 83mm Glass Colour Clear Stopper Included No Reusable Yes Quantity per Pack 1 Piece Quantity per Case 1 Piece Applications Distillation, Reflux and Chemical Synthesis