Corning® 4320B-50 PYREX® 50mL Round Bottom Boiling Flask with Short Neck & 19/22 [ST] Joint

This PYREX® round bottom boiling flask has a full length outer 19/22 standard taper joint, but with a shorter neck. Wall thickness is carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. Normal working temperature for this PYREX® boiling flask is 230°C. Adapters are available to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies (sold separately). Flask is a replacement part for organic chemistry kit Corning® Item Number 6949. Non-Sterile. Reusable. Material: Borosilicate Glass Code 7740. Capacity: 50mL. Flask Style: Boiling. Flask Shape: Round Bottom. Top Style: Standard Taper Joint. Neck Style: Short. Stopper Style: No Stopper. Standard Taper Joint: 19/22. Height: 81mm. Outer Diameter: 49mm. Corning® #: 4320B-50.

This PYREX® round bottom boiling flask has a full length outer 19/22 standard taper joint, but with a shorter neck. Wall thickness is carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. Normal working temperature for this PYREX® boiling flask is 230°C. Adapters are available to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies (sold separately). Flask is a replacement part for organic chemistry kit Corning® Item Number 6949. Non-Sterile. Reusable. Material: Borosilicate Glass Code 7740. Capacity: 50mL. Flask Style: Boiling. Flask Shape: Round Bottom. Top Style: Standard Taper Joint. Neck Style: Short. Stopper Style: No Stopper. Standard Taper Joint: 19/22. Height: 81mm. Outer Diameter: 49mm. Corning® #: 4320B-50.