Boiling Flasks, Short Neck, Flat Bottom, Pyrex

Boiling Flasks, Short Neck, Flat Bottom, Pyrex
Brand: pyrex
Product Code: 4100-125
Reward Points: 0
Availability: In Stock
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These 125mL PYREX® flat bottom boiling flasks have full length outer 24/40 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. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies.  

CORNING  4100-125


Borosilicate Glass Code 7740 


125 ml

Top Style

Standard Taper Joint

Neck Style


Stopper Style

 No Stopper

Standard Taper Joint



120 mm (approx)

Outer Diameter

69 mm (approx)


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