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Corning® Pyrex® Round-Bottom Boiling Flasks with Tooled Mouth

By Corning
Corning® Pyrex® Round-Bottom Boiling Flasks with Tooled Mouth

These Pyrex® round-bottom boiling flasks have long necks with tooled mouths and take rubber stoppers. 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. Excellent chemical durability for long life and contamination-free results. The normal working temperature for Pyrex boiling flasks is 230°C.

Cat.No. Brand Material Name Capac. Rubber Stopper No. O.D. Height CS    
1-4280-100 Pyrex® Borosilicate glass 100mL 2 65mm 120mm $1287.47
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1-4280-250 Pyrex® Borosilicate glass 250mL 5 83mm 149mm $20.49
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1-4280-500 Pyrex® Borosilicate glass 500mL 6 102mm 203mm $276.17
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1-4280-1L Pyrex® Borosilicate glass 1000mL 8 130mm 241mm $343.13
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1-4280-5L Pyrex® Borosilicate glass 5000mL 11 221mm 380mm $874.27
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