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The 8 Best science lab boiling flasks of 2025

Are you trying to find science lab boiling flasks among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling science lab boiling flasks on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 25 hours of research and did 65 science lab boiling flasks tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best science lab boiling flasks you can buy today

SaleNo. 1
500ml Boiling Flask, 3.3 Boro. Glass, Flat Bottom, Karter Scientific 250B4 (Single)
  • Capacity: 500ml
  • Height: 172mm
  • Outside Diameter: 101mm
  • 3.3 Borosilicate Glass
  • Long Neck
No. 2
Baluue 50ml Borosilicate Plastic Flask, Lab Erlenmeyer Flasks for Science Experiment Laboratory Supplies Lab Erlenmeyer Flask Pack of 10
  • 【 material】Borosilicate Plastic Flask is a beaker made of material, which guarantees the transparency and heat resistance of glass, and the lightness and drop resistance of plastic.
  • 【Durable】Borosilicate Plastic Flask is highly resistant to high temperatures and can withstand temperatures up to 120°C without being deformed or cracked due to high temperatures. This beaker can be used for a variety of experiments and operations, for scientific research and laboratory use.
  • 【High Transparency】Borosilicate Plastic Flask has high transparency, you can clearly observe the experimental process and results. This beaker is made of glass material, which transparency and light transmittance, thus improving the accuracy and reliability of experiments.
  • 【Lightweight and Portable】Borosilicate Plastic Flask is made of lightweight plastic material, very easy to carry and use. This beaker can be put in your pocket or in the lab case, convenient for users to use and carry at any time.
  • 【Convenient to Clean】Borosilicate Plastic Flask is very easy to clean and can be easily cleaned with water and soap. The material of this beaker is very durable and not easily affected by stains and dirt, thus keeping it clean and . Also, this beaker is very easy to store and maintain and can be used anywhere.
No. 3
TN LAB Flat Bottom Boiling Flask 50ml 6-Pack (6)
  • 50ml Flat Bottom Boiling Flask
  • Heavy-Wall Borosilicate 3.3 Glass
  • Designed with a narrow neck, making it easier to swirl liquids without spilling
  • Manufactured to ISO: 9001 Standards, CE Certification
No. 4
ULAB Boiling Flask of Round Bottom Set, 2pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1004
  • 2pcs of 250ml (8.45oz) Boiling Flasks
  • Round Bottom and short neck, without graduation
  • Borosilicate 3.3 glass material to prevent cracking
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
No. 5
Labvida 2pcs of Glass Boiling Flasks of Flat Bottom, Vol.500ml, Borosilicate 3.3 Glass, LVD002
  • Volume: 500ml (17oz)
  • Material: Made of high quality 3.3 Borosilicate glass to prevent cracking
  • Appearance: Flat Bottom that can be set on a surface, short neck, without graduation
  • Shape: Geometry permits very uniform heating, Uniform wall thickness is suited for heating
  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
No. 6
Labvida 6pcs of Narrow Mouth Glass Erlenmeyer Flasks, Vol.150ml, 3.3 Borocilicate with Printed Graduation, LVC002
  • Volume: 150ml (5.1oz)
  • Material: Made of high quality 3.3 Borosilicate glass, Uniform wall thickness
  • Convenient to use: Printed graduation, Extra large marking spot
  • Tolerance: approximately +/- 5%
  • Meet Standard Specification: ASTM Specification E960, Type I requirements
No. 7
PYREX 250 mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth, 2/Pk
  • LABORATORY FLASK: Corning provides a number of PYREX brand flasks for special purpose applications
  • SAFE & DURABLE: Offering superior heat, chemical and thermal shock resistance
  • PERMANENT MARKINGS: Permanent white enamel to resist chemical attack during lab usage
  • 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.
No. 8
9 Pack Glass Erlenmeyer Flask Set with Glass Stirring Rod, 7 Sizes, 50ml, 100ml, 150ml, 200ml, 250ml, 300ml, 500ml, Borosilicate Glass Erlenmeyer Flasks with Printed Graduation for Lab Chemistry
  • Package Includes: you will get 7 glass erlenmeyer flasks and 2 glass stirring rods, the erlenmeyer flasks have 7 different capacity, 50ml, 100ml, 150ml, 200ml, 250ml, 300ml, 500ml, easy to measure and use different volumes of liquid, the stirring rod can also make better convenience for experiments
  • Quality Material: the lab erlenmeyer flasks are well designed with quality borosilicate glass with uniform wall thickness, they are heavy duty, reusable and not easy to break
  • Good Heat and Chemical Resistance: the erlenmeyer flask set can withstand high temperature, and they can be heated on a hot plate, flame, oven, microwave or heating mantle, nice chemical durability and heat resistance ensure you can experiment without risk of damage
  • Clear Scale: each erlenmeyer flask has clear and accurate scales on the sides, allowing you to measure and store data more efficiently
  • Laboratory and Chemistry Glassware: the erlenmeyer flasks with rods are suitable for a variety of occasions, including scientific experiments and liquid measurements in professional laboratories, schools and homes; The fine workmanship and safe materials will make chemistry and science experiments easy and successful
No. 9
Peohud Set of 10 Scientific Plastic Erlenmeyer Flasks, Narrow Mouth Erlenmeyer with Screw Caps, Lab Erlenmeyer Flask with Molded Graduations(50ml, 100ml, 250ml, 500ml, 1L)
21 Consomer Reviews
Peohud Set of 10 Scientific Plastic Erlenmeyer Flasks, Narrow Mouth Erlenmeyer with Screw Caps, Lab Erlenmeyer Flask with Molded Graduations(50ml, 100ml, 250ml, 500ml, 1L)
  • Smart Package: You will get 10 pack flasks, 2 x 50ml: 2" x 3", 2 x 100ml: 2.5" x 4" , 2 x 250ml: 3" x 5.5" , 2 x 500ml:4" x 7" , 2 x 1L: 5" x 8.5".
  • Practical Design: Our narrow mouth Erlenmeyer with screw caps makes sure the liquid inside does not overflow and PP material prevents being shattered.
  • High Quality Material: Peohud Erlenmeyer flasks are made of premium polypropylene material which is durable and can be used for a long time.
  • Easy to See What Inside: The translucent wall and the graduation line enable users to clearly see the liquid and liquid level, which is very helpful in the experiment.
  • Wide Application: These scientific conical flasks are suitable for the mixing and preparation of any sample, can be used to store chemicals, mixtures and kitchen seasoning.
No. 10
ADAMAS-BETA 250ml Erlenmeyer Flask Plastic Science Lab Boiling Flask with Cap Narrow Mouth Chemistry Beaker Flat Bottom
  • Neck type: Narrow neck type of science flask, which can reduce the volume change caused by liquid evaporation.
  • Flat Bottom: The flat bottom lab boiling flask allows it to stand upright on a flat surface without having to rest on a flask clamp or cork stand.
  • Uses: The chemistry flask suitable for beginners or professionals to use in scientific chemistry laboratory, also suitable for students, classroom and daily use.
  • Material Features: Erlenmeyer flask made of high-quality plastic, reusable, environmentally friendly, not easy to break, easy to clean, etc.
  • Service: Your satisfaction is always our top priority, we mainly provide you with the best quality products, if you have any questions, please contact us, we will do our best to meet your needs.
No. 11
Plastic Erlenmeyer Flask 50ml 100ml Laboratory Chemical Erlenmey Students Kids Education Learning Tool
43 Consomer Reviews
Plastic Erlenmeyer Flask 50ml 100ml Laboratory Chemical Erlenmey Students Kids Education Learning Tool
  • Mad scientist props,50ml: 81 X 53mm,100ml: 102 X 64mm
  • Triangle flask scale mark,stereo clear,easy to use.
  • Chemistry flask preferred PP material,can withstand 121℃ high temperature,acid and alkali corrosion resistance,strong.
  • Beaker set very sturdy plastic,could reuse for many years,worked well for potion decorations.
  • Use them in your home school science class,they are perfect for your needs.They are not breakable when they fall.
No. 12
Young4us Glass Erlenmeyer Flask Set, (250 ml, 150 ml & 50 ml) Graduated Borosilicate Glass Erlenmeyer Flasks with Rubber Stoppers & Accurate Scales for Lab, Experiment, Chemistry, Science Studies etc
  • 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).
No. 13
ULAB Boiling Flask of Flat Bottom Set, 4pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1009
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • Flat Bottom and short neck, without graduation
  • Borosilicate 3.3 glass material to prevent cracking
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • (5)Boiling Flask is used in laboratory for more prolonged boiling of liquids
No. 14
QWORK 1000ml Borosilicate Glass Boiling Flask with 24/40 Standard Taper Outer Joint, Single Neck Flat Bottom, 2 Pack
  • Premium Quality: Made of high-quality borosilicate glass, heavy glass wall, durable and reusable.
  • Standard Size: The flask features the 24/40 standard taper outer joint, interchangeable and leak-free.
  • Flat-bottomed flask: The flask can stand upright on a flat surface by itself, rather than on a flask holder or cork holder. Can be connected to laboratory glassware, with standard tape joints.
  • Wide Application: The flask is widely used in organic chemistry, in distillation, or vacuum distillation apparatus.
No. 15
HUAOU 3pcs Glass Erlenmeyer Flask Set, 50ml 150ml 250ml Laboratory Flask with Stopper, Lab Chemistry 3.3 Borosilicate, Narrow Mouth, Printed Graduation, Conical Flask with Cleaning Brush
  • Multiple Sizes: Include 1pc cleaning brush + 3pcs labware flasks in varying capacities. 50ml/1.7oz - 1.96in(50mm) x 3.54in(90mm); 150ml/5oz - 2.75in(70mm) x 4.53in(115mm); 250ml/8.45oz - 3.26in(83mm) x 5.51in(140mm), ensuring you have the right size for any tasks.
  • Premium Material: Type I requirements, Type 1 Class A 3.3 Borosilicate Glass, ASTM Specification E960. Heavy-duty rim, narrow mouth, printed graduation and large label area, erlenmeyer flasks are durability and precision, against corrosive acids and alkalis, ensure accurate measurement and safety performance in experiment.
  • Stable Design: Science glassware flask sets can withstand high temperature, making them suitable for heating on hot plates, flames, ovens, microwaves. Flask kits chemical resistance ensures safe experimentation without the risk of damage.
  • Widely Application: Bottles with lid can be used for professional scientific experiment and school classroom lab, also suitable for food container, candy storage, plant propagation, yeast culture, decanter. Party supplies for Christmas, Halloween, kids birthday, wedding, science themed party.
No. 16
Glass Narrow Mouth Erlenmeyer Flask Set (FGSET3) - 3 Sizes - 50, 150 and 250ml, United Scientific
  • Contains 1 each 50, 150 and 250ml Narrow Mouth Erlemeyer Flask
  • High quality inert 3.3 borosilicate glass
  • Heavy Duty Reusable
No. 17
Xuhal 5Pcs Graduated Cylinder 10ml25ml50ml100ml250ml, 5Pcs Plastic Beakers 50ml100ml250ml500ml1000ml, 3Pcs Plastic Erlenmeyer Flask 50ml100ml500ml and 10Pcs 3ml Disposable Plastic Transfer Pipette
  • Sufficient Quantity: the package includes 5 sizes of graduated cylinder, 10ml, 25ml, 50ml, 100ml, and 250ml, 5 sizes of plastic beakers, 50ml, 100ml, 250ml, 500ml, and 1000ml, 3 pieces erlenmeyer flask, 50ml, 100ml, 500ml, and 10 pieces 3ml disposable pipettes; The lab equipment set is in transparent color and the sufficient quantity can meet your needs
  • Quality Material: the beakers and graduated cylinders and pipettes are made of safe and quality plastic material
  • Multi Size and Wide Use: you will receive these lab equipment in a variety of size, which are ample to your using requirement; And they are durable and easy storage which means they are also nice choices for those who want to conduct experiments at home, as well as for teachers and students working in labs
  • Practical Design: the plastic beaker set is designed to meet the demand for experimentation kits that are appropriate for children; And the use of plastic material in the design is aim to prevent injuries from falls and cuts
  • Suitable Occasions: the beaker has a scale on both sides, making it easy to read; The graduated cylinder set has a hexagonal base design, which provides stability and reduces errors during measurement; The beaker graduated cylinder is suitable for experimental as it's reusable after repeatedly sterilized at high temperatures and are resistant to most acids, bases, and solvents; The plastic dropper has a calibrated dial and a graduated scale on the outside, making it convenient to use
No. 18
PATIKIL Erlenmeyer Flask, 3 Pcs 100ml 3.4oz Narrow Mouth Graduated Flasks Borosilicate Glass with Printed Graduation for Lab Experiment Chemistry Science Study
  • Narrow mouth graduated flasks are versatile and reliable tools for accurately measuring, mixing and storing liquids in a laboratory setting. Glass erlenmeyer flasks are made of good materials. Graduated flasks are strong and durable, with a stable bottom and high transparency. They are widely used in scientific laboratories, education, industrial research and development, etc.
  • Specification: Color: Transparent Material: High Borosilicate Glass Capacity: 100 ml/ 3.4 oz Total High: 105 mm/ 4.13 inch Bottom Diameter: 62 mm/ 2.44 inch Bottle Mouth Outer Diameter: 27 mm/ 1.06 inch Packing List: 3 x Glass Erlenmeyer Flask
  • Advantage: [Good High Borosilicate Glass] The erlenmeyer flask uses high borosilicate glass, which is high temperature resistant, chemically stable, and has strong corrosion resistance. [Clear Scale] The scale on the surface of the graduated flasks is clear, allowing precise volume measurement to ensure the accuracy of the experiment. [Narrow Mouth Design] The narrow mouth design of the erlenmeyer flask can prevent experimental liquids from volatilize, and evaporating.
  • Instruction: [Easy to Use] The graduated flasks are suitable for beginners and professionals. The glass erlenmeyer flask is also suitable for teaching activities, fun experiments, etc. It is convenient and practical.
  • NOTE: 1. Please check the size before purchasing. 2. Please handle glass products with care
No. 19
Jet Biofil Sterile Plastic Erlenmeyer Flask - 24 Graduated and Baffled Flask with Vented Cap - Science Beakers - 125ml (TAB012125-24)
  • SCIENCE AND LAB TESTING: Our chemistry lab equipment is designed for shaker and suspension cell culture, media preparation, and storage.
  • STERILIZED: Our flasks come individually sealed and are sterilized by gamma irradiation. The scientific flask has a vent cap option for continuous gas exchange while ensuring sterility and preventing leakage.
  • ACCURATE: This easy-to-read measuring beaker has molded-in graduations for volumetric reference. The markings for the values are in milliliters.
  • OPTICAL CLARITY: Made from polycarbonate, the plastic Erlenmeyer flask is transparent for easy viewing. It's durable, break-resistant, lighter, and safer than glass.
  • JET BIOFIL: We are a company that specializes in innovative lab solutions. Our featured items include pipettes, tissue culture and filtration products, centrifuge tubes, analyzers, lab equipment, reagent, and culture mediums.
SaleNo. 20
hand2mind Starter Science Measuring Flask Set, Plastic Beakers for Kids, Science Lab Equipment, Measuring Toys for Kids, Kids Chemistry Set, Educational Science Kits, Science Supplies for Classroom
  • PRIMARY SCIENCE LAB SET: Spark children’s interest in science with the Starter Science Measuring Flasks set! Children feel like real scientists as they use our measuring flask set to measure, mix, and pour liquids.
  • SCIENCE EXPERIMENT SUPPLIES: Clear measurement marks, easy-to-grip necks, and colorful stoppers are designed for little scientists, with a brush included for easy cleanup.
  • SENSORY PLAY TOYS: These durable plastic flasks encourage children to measure, mix, and pour for hours of imaginative play and experimentation.
  • SCIENCE MEASURING SET: Keep the flasks organized in the sturdy storage stand, with built-in handles to transport the flasks anywhere children go.
  • PLASTIC SCIENCE FLASK: This set includes 3 Flasks (50 mL Volumetric Flask, 100 mL Erlenmeyer Flask, 250 mL Florence Flask), a cleaning brush, a stand for storage, and a Getting Started Guide.

How to choose a good science lab boiling flasks

Does the idea of finding a fantastic science lab boiling flasks make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in science lab boiling flasks. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top science lab boiling flasks products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top science lab boiling flasks on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top science lab boiling flasks brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top science lab boiling flasks based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the science lab boiling flasks were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good science lab boiling flasks, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your science lab boiling flasks.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting science lab boiling flasks for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our science lab boiling flasks. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what science lab boiling flasks should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on science lab boiling flasks.