All you need to know about Lab Boiling Flasks – July 2020 Edition

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Looking to find the best Lab Boiling Flasks?

We researched 22 Lab Boiling Flasks, tested 14, and we have done 29 hours of research. The best Lab Boiling Flasks doesn’t have to be complicated to be great. Our first pick is exactly that. No more, no less. It also costs less than any other products we tested.

The best

No. 1
Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity
  • 250mL, long-necked, flat-bottom boiling flask for heating or boiling of liquids
  • Accepts #5 stopper (sold separately) and has a tooled mouth for a smooth stopper fit
  • Pyrex brand borosilicate glass for clarity, strength, and resistance to heat and chemicals
  • Normal working temperature is 230 degrees C
  • Approximate dimensions are 134mm height, 82mm outside diameter (OD)

Intro

Everything you need to know about Lab Boiling Flasks before getting yourself one! Learn about this product comparison that we made especially for you. You have a wide selection to choose from when you’re looking for a Lab Boiling Flasks (size, brand, product’s solidity and reliability…). That’s why we created, for this type of item, a ranking based on the best value for money according to various brands and prices. We aim to help you find the Lab Boiling Flasks that will meet your expectations and budget. You can learn about some presentation and/or functioning details thanks to Amazon customers who review the products featured on this comparison. This top 10 is regularly reworked to remain up-to-date and useful to you. Let’s find the Lab Boiling Flasks that is just right for you!

Our picks

No. 1
Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity
  • 250mL, long-necked, flat-bottom boiling flask for heating or boiling of liquids
  • Accepts #5 stopper (sold separately) and has a tooled mouth for a smooth stopper fit
  • Pyrex brand borosilicate glass for clarity, strength, and resistance to heat and chemicals
  • Normal working temperature is 230 degrees C
  • Approximate dimensions are 134mm height, 82mm outside diameter (OD)
No. 2
StonyLab Glass 500mL Heavy Wall Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint - 500mL
  • 500 mL Flat Bottom Boiling Flask
  • 1 Single Neck
  • Made of high quality glass
  • 24/40 Center Joint
  • [Warranty] If received damaged, please contact us immediately. We will solve it until satisfied.
No. 3
StonyLab Glass 500ml Heavy Wall 2 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint - 500ml
  • Round Bottom Flask
  • 2 Angled Neck
  • 24/40 Center Joint in the central and side.
  • Made of borosilicate glass

Why you should trust us

This guide represents more than 10 years of experience in researching, testing, and writing about many subject. Our people are experts in all of their fields.
We alors spent 29 hours reading any article we could find on the internet and all the customer reviews at various retailer sites such as those of Amazon, Home Depot or Wallmart. We found many website that was a valuable resource with involved buying guides and detailed Lab Boiling Flasks information.
As for me, I’m very familiar with the Lab Boiling Flasks since I got it from 5 years.

Top 10

No. 1
Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity
  • 250mL, long-necked, flat-bottom boiling flask for heating or boiling of liquids
  • Accepts #5 stopper (sold separately) and has a tooled mouth for a smooth stopper fit
  • Pyrex brand borosilicate glass for clarity, strength, and resistance to heat and chemicals
  • Normal working temperature is 230 degrees C
  • Approximate dimensions are 134mm height, 82mm outside diameter (OD)
No. 2
StonyLab Glass 500mL Heavy Wall Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint - 500mL
  • 500 mL Flat Bottom Boiling Flask
  • 1 Single Neck
  • Made of high quality glass
  • 24/40 Center Joint
  • [Warranty] If received damaged, please contact us immediately. We will solve it until satisfied.
No. 3
StonyLab Glass 500ml Heavy Wall 2 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint - 500ml
  • Round Bottom Flask
  • 2 Angled Neck
  • 24/40 Center Joint in the central and side.
  • Made of borosilicate glass
No. 4
2 Count 4.3" Diam. Lab Flask Support Cork Stand 110mm for 250-2000mL Flasks
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
No. 5
1000ml Boiling Flask, 3.3 Boro. Glass, Flat Bottom, Karter Scientific 250C4 (Single)
  • Capacity: 1000ml
  • Height: 197mm
  • Outside Diameter: 127mm
  • 3.3 Borosilicate Glass
  • Long Neck
No. 7
Boiling Flask, Flat Bottom 250ml, With Cork Stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • 250ml capacity, with matching cork stopper
  • Flat bottom style
  • 5 1/2" tall / 3 1/2" diameter
  • For general laboratory boiling, mixing and storage applications
No. 8
Laboy Glass 2000mL Single Neck Round Bottom Boiling Flask Heavy Wall with 24/40 Joint Heating Distillation Reaction Receiving Flask Organic Chemistry Lab Glassware
  • STANDARD SIZE--- This round bottom flask designed with 24/40 standard taper outer joint,interchangeable,leak-free,comparing to common boiling flask without ground joint, it is convenient,safe,easy-operation in laboratory glassware setup. Capacity of 2000mL.
  • HEAT-RESISTANT DESIGN ---With spherical bottoms,this RBF is more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.
  • WIDELY USED----The round bottom flask is widely used in organic chemistry,in a distillation or vacuum distillation apparatus ,it’s used a a distillation flask and receiving flask with a glass condenser and some adapters like the 14 way distillation adapter,take-off adapter;In a reflux process,it’s used as a reaction flask with a reflux condenser.It is also used as a Distilling flask in rotary evaporators.
  • HIGH QUALITY---Laboy glass condensers are all made of high quality boroslicate glass according to ASTM E438,heavy wall design,durable and reusable.The ground joints are precisely grounded according to US standard.
  • BUY WITH CONFIDENCE----100% 90 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked
SaleNo. 9
Glass Erlenmeyer Flask Set - 3 Sizes - 50, 150 and 250ml, Karter Scientific 214U2
  • 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. 10
Laboy Glass 1000mL 2 Neck Round Bottom Boiling Flask with 24/40 Center & Side Joints Angled Distillation Apparatus Organic Chemistry Lab Glassware
  • DESIGN----Round bottom design having spherical bottoms are more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. A cork stand is needed to keep the round bottom flask upright,or heated by the water bath ,oil bath or sand bath.Comparing to the single neck round bottom flask,this 2 neck flask featured an angled neck with standard taper joint as an extra opening.
  • WIDELY USED---The 2 neck round bottom flask is widely used in the organic chemistry process like distillation, reflux ,extraction,reaction etc.In a distillation apparatus,the 2 neck round bottom flask used as the distillation flask,the straight neck attaches a 3 way distillation adapter or a distillation column(in fractional distillation),the other neck can be used to connect a thermometer adapter ,bleeding tube, or additional funnel.
  • DIMENSIONS-----This 2 neck round bottom flask has capacity of 1000mL, with 24/40 center joint & 24/40 side joint,attaching any lab glassware apparatus with standard taper joint.
  • HEAVY WALL ---The 2 neck flask is heavy-wall designed , made by hand-blowing according to ASTM E438 ,made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling,durable and reusable.
  • 100% 90 DAY MONEY BACK GUARANTEE If you are not satisfied for any reason, simply return for a full refund, no questions asked. You have nothing to lose.Please also kindly undertand glassware is fragile, even if we pack them carefully,it may be broken during the shipment ,if you receive the items in broken status,don't hesitate to contact us ,we will arrange free replacement or full refund.

How we tested

We search all the field to find the best Lab Boiling Flasks and all the type for it and get the best alternatives, priced decently, and easy to use. After that we tested all the main parameters we use : These things can separate the great Lab Boiling Flasks from the good.

  • Easy To use
  • Options
  • Quality
  • Longevity

How we picked

We search for all the field to find the best Lab Boiling Flasks and all the type for it and get the best alternatives, priced decently, and easy to use.
The main parameters we use : These things can separate the bad Lab Boiling Flasks from the good.

  • Price
  • Easy To use
  • Customer reviews
  • Quality
  • Longevity
  • Dimensions

Current Offers

SaleNo. 1
United Scientific FG4060-3000 Borosilicate Glass Flat Bottom Boiling Flask, 3000ml Capacity
  • 3000ml capacity
  • Made of heat resistant borosilicate glass
  • Neck ID/OD: 40.5mm & 53.2mm
  • 24" Circumference
  • 12" high
SaleNo. 2
Laboy Glass 250mL Single Neck Round Bottom Boiling Flask Heavy Wall with 24/40 Joint Heating Distillation Reaction Receiving Flask Organic Chemistry Lab Glassware
  • STANDARD SIZE--- This round bottom flask designed with 24/40 standard taper outer joint,interchangeable,leak-free,comparing to common boiling flask without ground joint, it is convenient,safe,easy-operation in laboratory glassware setup. Capacity of 250mL.
  • HEAT-RESISTANT DESIGN ---With spherical bottoms,this RBF is more resistant to fracturing under vacuum, as a sphere more evenly distributes stress across its surface. Laboy glass flasks are heavy wall designed,made by hand-blowing to ensure uniform wall thickness, made of high-quality borosilicate glass and annealed at 800 degree Celsius ,can be heated directly in an open flame and can withstand typical laboratory thermal variations in Chemistry processes like heating and cooling.
  • WIDELY USED----The round bottom flask is widely used in organic chemistry,in a distillation or vacuum distillation apparatus ,it’s used a a distillation flask and receiving flask with a glass condenser and some adapters like the 14 way distillation adapter,take-off adapter;In a reflux process,it’s used as a reaction flask with a reflux condenser.It is also used as a Distilling flask in rotary evaporators.
  • HIGH QUALITY---Laboy glass condensers are all made of high quality boroslicate glass according to ASTM E438,heavy wall design,durable and reusable.The ground joints are precisely grounded according to US standard.
  • BUY WITH CONFIDENCE----100% 90 DAY MONEY BACK GUARANTEE simply return for a full refund,no question asked

Conclusion

As you may have seen, the best Lab Boiling Flasks are not always the most expensive. We hope this top 10 has been a useful tool in your choice of Lab Boiling Flasks. Your comments are welcome. This comparison is regularly updated, so you will always find the latest products on the market in this ranking.

Last update on 2020-07-09 at 02:22 / Affiliate links / Images from Amazon Product Advertising API

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