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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 68 results
1
Promotions Available

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
2

Corning™ PYREX™ Short Neck Flat Bottom Flasks, Standard Taper Joint
GREENER_CHOICE

Short Necks

Disposable Reusable
Neck Style Short
Standard Taper Joint 24/40
Bottom Shape Flat
Material Borosilicate Glass
3

Fisherbrand™ Reusable Glass Round-Bottom Boiling Flasks with Standard Taper Joint

Fisherbrand™ Reusable Glass Round-Bottom Boiling Flasks with Standard Taper Joint feature a full-length 24/40 standard taper joint. Manufactured from borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

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

DWK Life Sciences KIMBLE™ KONTES™ Single Standard Taper Neck Heavy Wall Round Bottom Flasks

KIMBLE™ KONTES™ Single Standard Taper Neck Heavy Wall Round Bottom Flasks are manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements. Ideal for distillation and general laboratory use.

Bottom Shape Round
Material Borosilicate Glass
5

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
6

DWK Life Sciences KIMBLE™ KONTES™ Flat Bottom Heavy-Wall Boiling Flasks

KIMBLE™ KONTES™ Flat Bottom Heavy-Wall Boiling Flasks feature a single neck with a standard tapered outer joint. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

No. per Case 1
Bottom Shape Flat
Material Borosilicate Glass
7

DWK Life Sciences KIMBLE™ KIMAX™ Round Bottom Short Neck Flask with Standard Taper Joint

KIMBLE™ KIMAX™ Round Bottom Short Neck Flask with Standard Taper Joint is a KIMAX™ borosilicate glass boiling flask designed to ASTM Specification E1403, Type II, Class III. Available with 14/20, 19/22, or 24/40 standard taper joints across multiple capacities.

Neck Style Short
Bottom Shape Round
Material Borosilicate Glass
8

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

Designed for great shock resistance

Disposable Reusable
Neck Style Short
Bottom Shape Round
Material Borosilicate Glass
9

Synthware™ Single Neck Round Bottom Flasks, Full Length Joint
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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
10

Fisherbrand™ Reusable Glass Flat-Bottom Boiling Flasks with Standard Taper

Fisherbrand™ Reusable Glass Flat-Bottom Boiling Flasks with Standard Taper feature a short 24/40 standard taper neck for secure connections. Designed for reliable, repeated use in general laboratory heating and boiling applications.

Disposable Reusable
Neck Style Short
Standard Taper Joint 24/40
No. per Case 1
Bottom Shape Flat
Material Borosilicate Glass
11

Eisco™ Flat Bottom Boiling Flasks with Interchangeable Joint

High quality borosilicate 3.3 glass flat bottom boiling flasks feature short necks and interchangeable joints.

Disposable Reusable
No. of Positions 1
Neck Style Short
Description Interchangeable joint
Mouth Style Joint
Product Type Boiling Flasks
Color Clear
Quantity 1
Graduated No
Bottom Shape Flat
Material Borosilicate Glass (3.3)
Autoclavable Autoclavable
Sterility Non-sterile
12

Corning™ PYREX™ Short Neck Round Bottom Flask, Standard Taper Joint
GREENER_CHOICE

Excellent chemical durability for contamination-free results

Neck Style Short
Bottom Shape Round
Material Borosilicate Glass
13

Synthware™ Flat Bottom Flask, Single Neck
GREENER_CHOICE

All sizes are hand blown from tubing to ensure a uniform wall thickness

14
Promotions Available

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
15

Synthware™ Two Neck Round Bottom Flask, Angled Side Neck
GREENER_CHOICE

Two Neck Round Bottom Flask with standard taper outer joints on both center and vertical side necks.

Disposable Reusable
Mouth Style Beaded
Product Type Two-neck Flask
Graduated No
Bottom Shape Round
Material Borosilicate Glass (3.3)
Autoclavable Autoclavable
Sterility Non-sterile