PYREX Short Neck, Round Bottom Boiling Flask

These PYREX® round bottom boiling flasks have full length outer 19/22 Standard Taper joints, but with shorter necks. They are carefully designed and 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.

Manufacturer : Corning Incorporated

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Round Bottom Boiling Flask
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Cat.#Capacity Height (mm)Outer DiameterMfg.#PriceQuantityEstimated Availability
473-620-0225 mL72 mm42 mm4320B-25$50.48 EA  
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473-620-0450 mL81 mm49 mm4320B-50$50.93 EA  
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473-620-06100 mL95 mm65 mm4320B-100$90.35 PK / 2  
$542.20 CS / 12  
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473-620-08250 mL120 mm83 mm4320B-250$60.52 EA  
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473-620-10500 mL139 mm102 mm4320B-500$70.38 EA  
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