Best Lab Reaction Kettle Flasks of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 2, 2025

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Lab Reaction Kettle Flasks are essential tools used in scientific laboratories for various chemical reactions and experiments. These flasks are designed to withstand high temperatures and pressure, making them suitable for a wide range of applications. Made from durable borosilicate glass or other chemically resistant materials, these reaction kettle flasks are ideal for mixing, heating, and cooling different substances. They are available in various sizes and shapes, including round-bottom and flat-bottom options, to accommodate different experimental needs. With their reliable performance and sturdy construction, Lab Reaction Kettle Flasks are a crucial asset for any laboratory setting.

At a Glance: Our Top Picks

StonyLab Double Layer Reaction Flask Cover #TOP 1
StonyLab Double Layer Reaction Flask
ftb score rating icon 9.8
LABOY 100mL Schlenk Flask Cover #TOP 2
LABOY 100mL Schlenk Flask
ftb score rating icon 9.7
Deschem 250 Jacketed Glass Flask Cover #TOP 3
Deschem 250 Jacketed Glass Flask
ftb score rating icon 9.5

Top 10 Lab Reaction Kettle Flasks

#TOP 1

StonyLab Double Layer Reaction Flask

3Neck-ReactionFlask-24/40-500ml
500 ml
StonyLab Double Layer Reaction Flask Cover
stonylab Jacketed Reaction Flask, Flat Bottom Double Layer Reaction Vessel with Three 24/40 Standard Joints, 500 ml

The StonyLab Reaction Flask features a unique double-layer glass structure that allows for precise temperature control during experiments. The inner layer acts as the reaction vessel, while the outer layer provides connections for circulating cold or hot fluids, ensuring stable conditions. This flask is designed to withstand high temperatures and offers excellent transparency and corrosion resistance, making it ideal for various laboratory applications. Before use, remember to wash and dry the flask thoroughly to ensure optimal performance and safety in your experiments.

What We Like
Double-layer temperature control
High transparency and durability
Versatile for different pressures
Easy cleaning for safety
#TOP 2

LABOY 100mL Schlenk Flask

HMF050303
LABOY 100mL Schlenk Flask Cover
Laboy Glass 100mL Single Neck Round Botthom Schlenk Flask Reaction Kettle with 14/20 Joint & Glass Stopcock Air-Free at Side Arm Chemistry Lab Glassware

The LABOY Schlenk Flask is designed for air-sensitive chemistry, making it ideal for your laboratory needs. Its single neck round bottom allows for direct heating, which is perfect for reflux reactions. The 2mm glass stopcock ensures constant pressure retention, enhancing your control over experiments. With a standard taper joint, you can easily connect it to other lab glassware for transferring or refluxing materials. This flask's heavy-wall design, made from high-quality borosilicate glass, can withstand high temperatures and thermal variations, providing durability for repeated use.

What We Like
Ideal for air-sensitive reactions
Durable borosilicate glass
Direct heating capability
Easy liquid transfer
#TOP 3

Deschem 250 Jacketed Glass Flask

Deschem
JTSP250244001
Deschem 250 Jacketed Glass Flask Cover
Deschem 250 24/40 Single Neck Jacketed Glass Flask Lab Reaction Kettle Jacket Reactor Vessel Laboratory Bottle

The Deschem Jacketed Flask is crafted from high-quality G3.3 borosilicate glass, ensuring durability and resistance to thermal shock. With an annealing point of 560℃, it can handle high-temperature applications, making it suitable for various laboratory experiments. The flask also features a low linear coefficient of expansion, which means it maintains its shape and size even under temperature changes. Additionally, a softening point of 820℃ guarantees that it can withstand intense heat without compromising its integrity, providing you with a reliable tool for your scientific needs.

What We Like
High thermal resistance
Durable borosilicate glass
Maintains shape under heat
Suitable for high-temperature use
#TOP 4

INTBUYING 2L Glass Reactor

T220499
INTBUYING 2L Glass Reactor Cover
INTBUYING Glass Reactor 2L Glass Reaction Kettle Double-Layer Glass Laboratory Jacketed Chemical Reaction Vessel -0.098 Mpa Vacuum Reaction Vessel Chemistry for Reaction Distillation Digital Display

The INTBUYING Glass Reactor is a versatile laboratory tool designed for efficient chemical reactions. With a 2-liter capacity and a vacuum level of -0.098 MPa, it allows you to conduct experiments with high stability and low noise. The double-layer borosilicate glass construction ensures durability and excellent thermal performance, making it ideal for various chemical processes. Its PTFE sealing system prevents leaks and corrosion, providing a secure working environment. Additionally, the variable speed motor enhances your control over the reaction process, allowing you to adjust speeds from 0 to 600 RPM for optimal results.

What We Like
High efficiency and stability
Leak-proof PTFE seal
Variable speed control
Durable borosilicate glass
#TOP 5

StonyLab 100ml Borosilicate Reaction Flask

Flask-PTFE-STC-1Neck-24/40-100ml
100 ml
StonyLab 100ml Borosilicate Reaction Flask Cover
stonylab Reaction Flask, Borosilicate Glass Single-Neck Reaction Flask with 24/40 Joint and PTFE Stopcock Valve Round Bottom Flask, 100 ml

The StonyLab Reaction Flask is a versatile tool for your laboratory needs. It is designed for conducting organic reactions in various atmospheres, allowing you to adapt your experiments easily. With its PTFE stopcock valve, you can effortlessly control gas injection or evacuation, giving you better management of your reaction conditions. Constructed from durable borosilicate glass, the flask features a 24/40 ground glass joint, ensuring it works seamlessly with other StonyLab glassware. This integration makes it an essential part of your lab setup, promoting efficiency and convenience in your experiments.

What We Like
Versatile for different experiments
Easy gas control
Durable borosilicate glass
Compatible with other glassware
#TOP 6

DONLAB REA-0114 5L Reaction Kettle

DONLAB
REA-0114
4 Necks(#24)
5000ml/5L
DONLAB REA-0114 5L Reaction Kettle Cover
DONLAB REA-0114 5000ml/5L Double-Layer Cylindrical Reaction Kettle Flask,Four-Neck T-Type with 24/40 Joints Cover

The DONLAB 5L Reaction Kettle is designed for efficiency in laboratory settings. With a generous capacity of 5000 ml, it allows you to conduct larger experiments without needing multiple vessels. The four necks offer versatile connection options for various apparatus, making it easier for you to set up your experiments. The flat flange design ensures a secure fit, preventing leaks and ensuring safety during reactions. Made from durable borosilicate glass, this kettle provides excellent thermal resistance, allowing you to work with high temperatures without worry.

What We Like
Large capacity for experiments
Versatile neck configurations
Secure flat flange design
Durable borosilicate glass
#TOP 7

DONLAB REA-0066 500ml Reaction Kettle

DONLAB
REA-0066
4 Necks(#24)
500ml
DONLAB REA-0066 500ml Reaction Kettle Cover
DONLAB REA-0066 500ml Cylindrical Round Bottom Reaction Kettle Flask W/Clamp and Lid,4-Neck Standard Taper Joints 24/40 Center - 24/40 Side Neck

The DONLAB 500ml Reaction Kettle is designed for efficiency in laboratory settings. With a capacity of 500 ml, it provides ample space for various experiments. The kettle features four necks with standard taper joints, allowing for multiple connections to other equipment. This versatility is crucial for complex reactions. Additionally, both the kettle and its lid have a uniform flange size, ensuring a secure fit and preventing leaks. Made from durable borosilicate glass, this heavy-wall design offers resistance to thermal shock, making it reliable for high-temperature applications. Overall, it enhances your lab experience by combining convenience and safety.

What We Like
High capacity
Versatile neck configurations
Secure flange design
Durable borosilicate glass
#TOP 8

EQCOTWEA 5L Glass Reaction Kettle

EQCOTWEA
TP220535
EQCOTWEA 5L Glass Reaction Kettle Cover
EQCOTWEA Glass Reaction Kettle, 5L Single-layer Glass Reactor 110V, Lab Jacketed Reactor, 304 Stainless Steel Chemical Reaction Vessel, Stepless Speed regulation, for Stirring Distillation

The EQCOTWEA Glass Reactor offers high performance with its durable 5L borosilicate glass construction, enabling you to conduct various chemical reactions safely. Its stepless speed regulation allows you to adjust the stirring speed precisely for different applications, making your experiments more efficient. With high-precision sealing using PTFE and rubber materials, you can achieve a high vacuum and work with various solvents without worry. Additionally, the intelligent electric heating sleeve ensures fast and even heating, providing optimal temperature control for your reactions. This combination of features makes the reactor user-friendly and reliable for both experiments and production.

What We Like
High temperature resistance
Variable speed control
Excellent sealing capability
Fast, uniform heating
#TOP 9

TECHTONGDA 5L Glass Reactor

L220636
110V 5L
TECHTONGDA 5L Glass Reactor Cover
TECHTONGDA 5L Glass Reactor 110V Double Layer Reaction Vessel, Laboratory Jacketed Reactor, Adjustable Speed 0-600 RPM

The TECHTONGDA Glass Reactor is designed for laboratory use, featuring a high borosilicate glass body that offers excellent visibility of your reactions. The built-in variable frequency motor ensures a long-lasting and stable operation. You will benefit from the standard drip funnel, which maintains internal pressure and minimizes backflow, enhancing the reliability of your experiments. Additionally, the adjustable speed control allows you to fine-tune the stirring rate from 0 to 600 RPM, providing precise control over your reactions. With overload protection, this reactor helps prevent sticky materials from causing issues, making your work safer and more efficient.

What We Like
High visibility glass design
Adjustable stirring speed
Overload protection features
Durable stainless steel components
#TOP 10

Deschem 100ml Jacketed Glass Flask

Deschem
JTSP100242901
Clear
Deschem 100ml Jacketed Glass Flask Cover
Deschem 100ml,24/29,Single Neck,Jacketed Glass Flask,Lab Reaction Vessel

The Deschem Glass Flask is crafted from high-quality G3.3 borosilicate glass, ensuring durability and resistance to thermal shock. With an annealing point of 560℃, this flask can withstand high temperatures, making it ideal for various lab reactions. Its linear coefficient of expansion is 32×10-7/℃, which means it expands minimally with heat, providing stability during experiments. Additionally, the softening point of 820℃ allows for safe handling in intense heat conditions. This combination of features makes the Deschem Glass Flask a reliable choice for your laboratory needs.

What We Like
Durable borosilicate glass
High-temperature resistance
Minimal thermal expansion
Safe for intense heat
Buying Guide Image
Editor's Notes

During our lab reaction kettle flask research, we found 24 lab reaction kettle flask products and shortlisted 10 quality products. We collected and analyzed 2,078 customer reviews through our big data system to write the lab reaction kettle flasks list. We found that most customers choose lab reaction kettle flasks with an average price of $148.09.

The lab reaction kettle flasks are available for purchase. We have researched hundreds of brands and picked the top brands of lab reaction kettle flasks, including stonylab, LABOY, Deschem, INTBUYING, DONLAB. The seller of top 1 product has received honest feedback from 2,078 consumers with an average rating of 4.9.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.