Corning® 5646-25 PYREX® 25mL Verified Class A Volumetric Flask with HDPE & Glass [ST] No. 9 Stopper
Item has been discontinued with no suggested replacement
NOTICE: While we make every effort to accurately report lead times, unfortunately, Corning products often have a prolonged ship date/lead time. Please be aware before ordering this Corning item.
Cancelled orders will incur a 10% cancellation fee imposed by Corning, so keep this in mind before ordering.
NOTICE: While we make every effort to accurately report lead times, unfortunately, Corning products often have a prolonged ship date/lead time. Please be aware before ordering this Corning item.
Cancelled orders will incur a 10% cancellation fee imposed by Corning, so keep this in mind before ordering.
- Reusable volumetric flask has a capacity of 25mL, with a height of 121mm and an outer diameter of 40mm
- Made of borosilicate glass code 7740
- Heavy duty, machine blown body is sealed to a heavy-tubing neck for extra strength; graduation line is sharp and permanent
- Supplied with both a No. 9 standard taper PYREX and a high-density polyethylene (HDPE) stopper
- Flask is verified to meet the Class A volumetric tolerances in ASTM E-288
- Case of 12
- Manufacturer Part No: COR-5646-25
PLEASE NOTE: Product images and descriptions may not exactly represent the product. Prior to making your purchase, please confirm that the manufacturer part number shown above matches the product you seek. Returns are not allowed for such differences if the correct manufacturer part number is shipped.
Details
This 25mL PYREX® volumetric flask with 2 stoppers exceeds the current standard (ASTM E-542) for manufacturing volumetric flasks because each individual flask is verified to meet the Class A volumetric tolerances in ASTM E-288. Each flask is also labeled with a lot number enabling access to a Certificate of Analysis with lot specific data regarding both measurements and methods to trace glassware and track usage. The strength of this flask results from the use of a machine blown body which is sealed to a heavy-tubing neck. The graduation line is sharp and permanent. Flask is provided with both a No. 9 standard taper PYREX® and high-density polyethylene (HDPE) stopper. Reusable. Material: Borosilicate Glass Code 7740. Capacity: 25mL. Flask Style: Volumetric. Flask Shape: Flat Bottom. Top Style: Standard Taper Stopper. Neck Style: Long. Stopper Style: Both Hollow Glass And HDPE Stoppers. Flask Feature: Heavy Duty. Accuracy Class: Verified Class A. Tolerance: +/- 0.03mL. Standard Taper Stopper Number: 9. Height: 121mm. Outer Diameter: 40mm. Corning® #: 5646-25.
Documents & Videos
This 25mL PYREX® volumetric flask with 2 stoppers exceeds the current standard (ASTM E-542) for manufacturing volumetric flasks because each individual flask is verified to meet the Class A volumetric tolerances in ASTM E-288. Each flask is also labeled with a lot number enabling access to a Certificate of Analysis with lot specific data regarding both measurements and methods to trace glassware and track usage. The strength of this flask results from the use of a machine blown body which is sealed to a heavy-tubing neck. The graduation line is sharp and permanent. Flask is provided with both a No. 9 standard taper PYREX® and high-density polyethylene (HDPE) stopper. Reusable. Material: Borosilicate Glass Code 7740. Capacity: 25mL. Flask Style: Volumetric. Flask Shape: Flat Bottom. Top Style: Standard Taper Stopper. Neck Style: Long. Stopper Style: Both Hollow Glass And HDPE Stoppers. Flask Feature: Heavy Duty. Accuracy Class: Verified Class A. Tolerance: +/- 0.03mL. Standard Taper Stopper Number: 9. Height: 121mm. Outer Diameter: 40mm. Corning® #: 5646-25.