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Boiling Flasks

Boiling flasks are used for heating and boiling of liquids. The flasks are designed to have round bodies with long, thin necks to facilitate uniform heat distribution and minimize evaporation. Boiling flasks are typically made of borosilicate glass, which is resistant to thermal shock and chemicals. Some boiling flasks have rounded or conical bottoms and need support to stand upright, while others have flat bottoms and can stand alone.
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1 – 15 of 69 results
1

Synthware™ Single Neck Round Bottom Flasks, Full Length Joint
GREENER_CHOICE

Hand-blown from tubing to ensure uniform wall thickness

EDGE
Description Single neck, round bottom flask
Color Clear
Material Borosilicate Glass (3.3)
For Use With (Application) Organic Synthesis
2

Fisherbrand™ Reusable Glass Flat-Bottom Boiling Flasks with standard taper

Rugged short standard taper neck

Disposable Reusable
Neck Style Short
Standard Taper Joint 24/40
No. per Case 1
Bottom Shape Flat
Material Borosilicate Glass
3

Fisherbrand™ Reusable Glass Round-Bottom Boiling Flasks with standard taper Joint

Feature full length 24/40 standard taper Joint

Disposable Reusable
Standard Taper Joint 24/40
No. per Case 1
Bottom Shape Round
Class Class III
4

DWK Life Sciences KIMBLE™ RAY-SORB™ Amber Flat Bottom Short Neck Boiling Flask

Provide protection to solutions sensitive to light of shorter wavelengths

5

DWK Life Sciences Kimble™ Kontes™ Airless-Ware™Airless/Straus Vacuum Flask

Dry, deoxygenated, and grease-free solvents stored for long periods of time

Includes 0 to 4 mm Valve and 826601 plug
Standard Taper Joint 24/40
Product Type Airless/Straus Vacuum Flask
Bottom Shape Round
Material Borosilicate Glass
For Use With (Application) Solvent storage as required by many inorganic reactions
6

Corning™ PYREX™ Long Neck Flat Bottom Flasks, Tooled Mouth
GREENER_CHOICE

Usual globe-shaped Florence boiling flasks

Disposable Reusable
Description Top style: Tooled
Bottom Shape Flat
Material Borosilicate Glass
7

Corning™ PYREX™ Low Actinic Flat Bottom Boiling Flask With Short Neck And 24/40 Joint
GREENER_CHOICE

Stained glass.

8

Corning™ PYREX™ VISTA™ Short Neck Flat Bottom Boiling Flask, Standard Taper Joint
GREENER_CHOICE

Designed for shock resistance

Disposable Reusable
Neck Style Short
Standard Taper Joint 24/40
Bottom Shape Flat
Material Borosilicate Glass
9

DWK Life Sciences Kimble™ KIMAX™ Flasks with standard taper Joints

Short Necks

Neck Style Short
Bottom Shape Round
Material Borosilicate Glass
10

Corning™ PYREX™ Short Ring Neck Round Bottom Flasks
GREENER_CHOICE

Sometimes called balloon flasks

Disposable Reusable
Neck Style Short
Description Top style: Ring
Temperature Range (English) 446°F
Bottom Shape Round
Material Borosilicate Glass
Temperature Range (Metric) 230°C
11

Corning™ PYREX™ Short Neck Heavy-Wall Round Bottom Boiling Flasks, Standard Taper Joints
GREENER_CHOICE

Feature 25 to 30% greater wall thickness than standard flasks for mechanical strength

Neck Style Short
Description Thickness >25 to 30%
No. per Case 1/Cs.
Temperature Range (English) 446°F
Bottom Shape Round
Material Borosilicate Glass
No. per Pack 1/Pk.
Temperature Range (Metric) 230°C
12

DWK Life Sciences Kimble™ KIMAX™ KimCote™ Heavy Wall, Round Bottom Flask

The Kimble™ KIMAX™ KimCote™ Heavy Wall, Round Bottom Flask is a plastic-coated single neck flask useful as a rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.

Bottom Shape Round
13

DWK Life Sciences Kimble™ Kontes™ Round Bottom with SJ Joint, Heavy Wall Boiling Flasks

Useful as rotary evaporator condensate collection flask

Neck Style Single
No. per Case 1
Bottom Shape Round
Material Borosilicate Glass
14

MilliporeSigma™ Supelco™ Collection Flask/Beaker

Suitable for use in the Food and Beverage Industry

15

DWK Life Sciences Kimble™ Kontes™ Flasks with Three Angle Necks and standard taper Joints

Side necks are angled off center neck for greater accessibility

No. of Positions 3
Bottom Shape Round
Material Borosilicate Glass