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PYREX® 250 mL Long Neck Boiling Flask, Round Bottom, Tooled Mouth

Product Number4280-250

Corning EcoChoice™ products are produced, packaged, and/or distributed in an environmentally friendly manner following United States Government Federal Trade Commission (FTC) Guidelines

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(This item will be discontinued when inventory reaches “0”)



These 250 mL PYREX® round bottom boiling flasks have long necks with tooled mouths and take a No. 5 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The normal working temperature for PYREX® boiling flasks is 230°C.

One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).


$28.64 per case

In Stock

Details
Product Number   4280-250
Qty./Pk   1 / Pk  
Qty./Cs   1 / Cs  
Brand   PYREX®  
Capacity   250 mL  
Flask Shape   Round bottom  
Top Style   Tooled mouth  
Neck Style   Long  
Stopper Style   No stopper  
Feature   Reusable  
Rubber Stopper No.   5  
Height   149 mm (approx.)  
O.D.   83 mm (approx.)  
Flask Style   Boiling  
Specifications Documents