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When heating glassware with an open flame, use an appropriate method to diffuse the heat.
CR Scientific

Boiling Flasks

Borosilicate glass, 25 to 250 mL

Boiling Flasks

Flask, Boiling, 25 mL, Round Bottom, Borosil brand.
Mouth I.D. about 17 mm.  Overall height approx. 95 mm.
Bulb dia. approx. 40 mm.  Handy size for microscale chemistry.
When using an open flame, remember to diffuse the heat with a sand bath (etc.).

Case of 6.............$15.95
Ship. wt. 1 lb.
Quantity:



Flask, Boiling, 50 mL, Round Bottom, Borosil brand.
Mouth I.D. approx. 23 mm.  Overall height approx. 102 mm.
Case of 6.............$16.95
Ship. wt. 2 lbs.
Quantity:


100 mL Round Bottom Boiling Flask
Flask, Boiling, 100 mL, Round Bottom, imported
(typically Bomex or Borosil). 

Stopper size varies, depending on what we have in stock at the moment.  Email us and we'll help you pick the right size stoppers.

100 mL Boiling Flask, Case of 12...........$36.95
Ship. wt. 2.5 lbs.

Quantity:



250 mL Round Bottom Boiling Flask
Flask, Boiling, 250 mL, Round Bottom, imported
(typically Bomex or Borosil). Boiling flasks, having a round bottom, obviously cannot stand upright on their own;  they require some type of clamp support (e.g., a ringstand with #C300 or C370 clamps).

Stopper size:  Usually takes #6, but email us and we'll help you pick the correct stopper size.

250 mL Boiling Flask, Case of 6.............$23.90
Ship wt. 6 lbs
Quantity:



Boiling Flasks are usually in stock in all the sizes listed, but please contact us to make sure we have enough on hand to fill quantity orders. Any items not in stock typically have a lead time of 5-7 business days.
CAUTION:  Buyer assumes all risks associated with storage, use, and handling of glassware. No warranty is made regarding fitness for a particular use. Wear safety goggles and / or face shield and carry out all experiments in the proper laboratory environment.   Please review our Terms of Sale / Use

We cannot ship glassware to anyone we suspect will use it for illegal purposes.



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