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.
Looking for the best Lab Erlenmeyer Flasks?
Discover now our comparison of the best Lab Erlenmeyer Flasks. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Lab Erlenmeyer Flasks are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Lab Erlenmeyer Flasks in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
Corning Pyrex #4980-1L, 1000ml Narrow Mouth Erlenmeyer Flask with Rubber Stopper (Single)
- Capacity: 1000ml
- Graduations: 50ml, 250ml to 1000ml
- O.D. x Height(mm): 129 x 216
- Heavy Duty Rim
- Packaged in a heavy duty,custom cut, double-wall, BC Flute corrugated box. Package Dimensions, 8.9x5.55x6 inches
No. 2
Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific
- Contains 1 each 50, 150 and 250ml Flask
- High quality inert 3.3 borosilicate glass
- Heavy Duty Reusable
- ASTM Specification E960, Type I requirements
- ID/OD: 50ml: 24.5/30.5mm, 150ml: 32/37mm, 250ml: 32/37.5mm.
No. 3
Young4us Glass Erlenmeyer Flask Set, (250 ml, 150 ml & 50 ml) Graduated Borosilicate Glass Erlenmeyer Flasks...
- 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.
No. 4
Pyrex 1L Narrow Mouth Erlenmeyer Flasks with Heavy Duty Rim, Ea
- Capacity: 1000ml
- Graduations: 50ml, 250ml to 1000ml
- O.D. x Height(mm): 129 x 216
- Heavy Duty Rim
- Packaged in a heavy duty, custom cut, double-wall, BC Flute corrugated box. Package Dimensions, 8.9x5.55x6 inches
No. 5
Utile Glass Erlenmeyer Flask Set, 250ml Narrow Mouth Erlenmeyer Flasks, 6pcs of Borosilicate 3.3 Glass Conical...
- 250mL Capacity: 6pcs of 250ml lab glass Erlenmeyer conical flasks in total.
- Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty.
- Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot.
- Good Heat and Chemical Durability: These flasks will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, they are designed for heating by hot plate, flame, oven, microwave or heating mantle.
- Designed for use in professional laboratories, also ideal for classroom and home daily use.
No. 6
Utile Glass Erlenmeyer Flask Set, 500ml Narrow Mouth Erlenmeyer Flasks, 6pcs of Borosilicate 3.3 Glass Conical...
- 500mL Capacity: 6pcs of 500ml lab glass Erlenmeyer conical flasks in total.
- Industrial Strength: These flasks are made of 3.3 Borosilicate glass material, uniform wall thickness, high quality and heavy duty.
- Conical Type and Narrow Mouth: These flasks are narrow mouth in conical type, with printed graduation and extra large marking spot.
- Good Heat and Chemical Durability: These flasks will withstand repeated standard autoclave cycles of 121°C at 15 psi for 5 minutes, they are designed for heating by hot plate, flame, oven, microwave or heating mantle.
- Designed for use in professional laboratories, also ideal for classroom and home daily use.
No. 7
Glass Flask Erlenmeyer Flask Set Narrow Mouth 2000ml Graduated Flasks
- 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.
No. 8
PYREX Narrow Mouth Erlenmeyer Flask with Heavy Duty Rim,Borosilicate Glass Flask – Premium Glass Chemistry...
- LABORATORY FLASK: This narrow mouth conical borosilicate glass flask is ideal chemistry glassware for use in laboratories, schools, and for home and STEM activities and experiments.
- SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance, the flat bottom lab glassware with heavy duty rim delivers premium strength and will not shatter easily.
- CLEAR METRIC MARKINGS: A graduated metric scale in white enamel makes it easy to measure liquids and approximate contents, and the lab glass flask has a large labelling area.
- EASY TO CLEAN: The reusable glass scientific flasks are easy to clean and can be sterilized safely in autoclaves at 121°C, making them ideal for repeated use in busy lab environments.
- PYREX GLASSWARE: PYREX scientific glassware has been a trusted partner for chemists and research scientists in the toughest laboratory environments for more than 100 years.
SaleNo. 10
EISCO 12PK Erlenmeyer Flasks, 100mL - Borosilicate Glass - Narrow Neck, Conical Flasks
- 100mL CAPACITY || Pack of 12 Erlenmeyer Flasks, each with 100mL capacity and easy-to-read white enamel graduations every 25mL
- INDUSTRIAL QUALITY || Made of high quality, heavy duty, borosilicate 3.3 glass with excellent strength against breakage. Microwavable and autoclavable, with superior chemical durability. Can withstand high temperatures and thermal shocks
- SUPERIOR DURABILITY || Features uniform wall thickness ideal for heating and a reinforced rim for protection against high impacts
- MEETS DIN ISO STANDARDS || Conforms with DIN ISO 1773 standards for narrow neck conical flasks
- GREAT FOR PROFESSIONAL LABORATORIES, CLASSROOMS & HOUSEHOLD || Superior chemical durability and heat tolerance. Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use
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Last update on 2026-04-16 / 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.
