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Erlenmeyer flasks are fundamental tools in any laboratory, essential for mixing, heating, and storing liquids. Their conical shape offers distinct advantages over other glassware for specific applications. Selecting the appropriate flask ensures accuracy, safety, and efficiency in your scientific endeavors.
100% SATISFACTION SERVICE: Our Erlenmeyer Flasks are made of high quality borosilicate glass. If they are any questions, please feel free to contact us, we will do our best to meet your satisfaction. Pls note that the stopper is very soft, you have to...
High Quality Borosilicate Glass: High temperature resistance. These borosilicate glass erlenmeyer flasks have High chemical durability and low thermal expansion.
Convenient to use: Suitable for beginners or professional use, also the students, convenient classroom borosilicate glass erlenmeyer flasks.
Clear Scale: Erlenmeyer Flasks have clear and accurate scales for you to measure liquid efficiently.
Neck Style: Narrow mouth. Conducted in a slow and careful manner to avoid breakage. Heavy Duty Reusable.
VERSATILE & DURABLE - Made of durable borosilicate glass, this flask can handle a wide range of applications. Its heavy-duty rim and narrow-mouth opening ensure precision handling for your experiments.
EASY-TO-READ GRADUATIONS - This glass flask features easy-to-read graduations, allowing you to measure liquids accurately with ease. Say goodbye to guesswork and ensure precise measurements every time.
WIDE TEMPERATURE RANGE - Able to withstand temperatures from -50 to 550ºc, this borosilicate Erlenmeyer flask is suitable for a variety of temperature-sensitive experiments. Experience reliable performance even in extreme conditions.
PRECISE GRADUATED TOLERANCES - Our lab flask offers graduated tolerances to 0.05, providing precise measurement capabilities. Achieve accurate results and eliminate errors in your experiments.
CONVENIENT AUTOCLAVABLE DESIGN - This chemistry flask is autoclavable, making it easy to sterilize and reuse. Enjoy the convenience of a lab Erlenmeyer flask that is both safe to use and easy to clean, and ensure proper hygiene in your laboratory.
3 RUBBER STOPPERS INCLUDED: This set has 3 rubber stoppers for these 3 Erlenmeyer Flasks, which are sterile & can seal the liquid in the flasks perfectly for experiment.
ACCURATE SCALES: 3 Erlenmeyer Flasks in different sizes (250ml 150ml 50ml) have clear and accurate scales for you to measure liquid efficiently & accurately without any problem.
SIGNIFICANT FEATURES: Reusable, environmental friendly, will not shatter easily, easy to clean, high temperature resistance, for laboratory, chemistry, science experiment, liquid measuring, etc.
HIGH-END MATERIAL FOR LAB: These Borosilicate Glass Erlenmeyer Flasks have High chemical durability and low thermal expansion, which can withstand the temperature under 800 °C (~1500 °F).
PACKAGE & WORRY-FREE: Each set has 3 Erlenmeyer Flasks & 3 Rubber Stoppers. If you received defective items, please contact us via email for replacement. We would try our best to fix issues.
The base diameter of the bottle is 3.4" and the overall height is 6.1". Inner diameter of top measures 35mm. Please note: these are hand blown with the capacity in mind and overall dimensions can vary slightly.
Hand blown premium borosilicate 3.3 glass.
The cap is made of polypropylene, has a PTFE liner, and is acid proof and autoclavable.
Designed to store liquids in the laboratory, but can be used in the home as well -- or even in a set for "potions".
Durable Material: Made of borosilicate glass, high quality material and perfect craftsmanship, high and low temperature resistance, chemical resistance.
Capacity: 500ml and1000ml, making it an ideal choice for storing large amounts of liquid.
Connection: Erlenmeyer flask with 24/40 standard conical male connector.
Thick: The Borosilicate glass flask is made to ensure walls are thin, uniform and easy to work with. The flask is handmade with a process that ensures the walls are thick and free from air bubbles.
Last update on 2026-07-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Lab Erlenmeyer Flasks
Understanding Erlenmeyer Flask Features
When selecting an Erlenmeyer flask, several key features warrant consideration to ensure it meets your laboratory's needs:
Material: Most flasks are made from borosilicate glass, known for its resistance to thermal shock and chemical corrosion. This makes it suitable for heating and working with a variety of substances. Some specialized applications might require plastic flasks, which offer greater shatter resistance but may have limitations regarding temperature and chemical compatibility.
Volume and Graduation: Flasks come in a wide range of volumes, from small laboratory sizes to larger industrial capacities. Choose a size appropriate for your typical experimental volumes. Markings (graduations) on the side indicate approximate liquid volumes, useful for rough measurements but not precise volumetric analysis.
Neck Size and Stopper Compatibility: The neck opening determines what stoppers or closures can be used. Standard taper joints are common for airtight seals, while wider necks are easier to fill and pour from. Consider if you need a flask designed for specific stopper types or sealing methods.
Wall Thickness: Thicker glass walls generally provide greater durability and resistance to breakage, especially important when heating or performing vigorous mixing.
Application-Specific Considerations
The intended use of the flask should guide your choice:
Titration: The narrow neck of an Erlenmeyer flask helps prevent splashing during titration, making it an ideal choice for this technique.
Heating and Boiling: Borosilicate glass is crucial for flasks used with heat sources to withstand temperature changes without cracking.
Mixing and Swirling: The conical shape allows for easy swirling of contents without spilling, facilitating efficient mixing.
Culture Growth: For microbiological applications, flasks with specific neck designs might be preferred for aeration and ease of inoculation.
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