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

Product Number4280-250

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

Quality Certificate

(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).

$21.96 per case

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Product Information

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

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