Erlenmeyer Flasks

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Erlenmeyer flasks carry a distinctive conical shape and narrow neck and are suitable for various laboratory applications, including mixing, storing, and dissolving solid and liquid substances.

Erlenmeyer flasks carry sterile properties to reduce the risk of cross-contamination between sample types. Erlenmeyer filter flasks offer disposable options with marked graduations. Baffled Erlenmeyer flasks are suitable for shaker culture applications. Models available from Thomas Scientific include vent cap options for applications requiring a sterile gas exchange. Find baffled Erlenmeyer flask, Erlenmeyer filter flask, and side arm flasks to accommodate a range of applications. Manufactured of the highest quality materials, including polymethyl pentene (PMP) and polypropylene (PP), Erlenmeyer flasks are an excellent break-resistant alternative to using glass flasks.

Multiple sizes, including marked graduations such as 15mL or 50mL for easy measuring solutions, are available. Baffled flasks are individually packaged for easy storage and handling within the lab.

Also see our range of beakers and cell counters available at Thomas Scientific.

Erlenmeyer Flasks

Products (142)

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  • Erlenmeyer and Fernbach Flasks

    Designed for mammalian suspension culture applications as well as bacterial & yeast culture Available with either solid or vent cap to eliminate the chance of unintended venting, unlike combination caps Vent caps feature 0.22µm hydrophobic membrane which allows for gas exchange without...

  • KIMAX  Heavy Wall Filter Flasks

    DWK Life Sciences (Kimble)

    Heavy glass with side tubulation for tubing Sizes 25 mL through 4000 mL Designed from Federal Specifications NNN-F-240 Scale indicates approximate volumes Flasks are fabricated from molded heavy wall for strength and have a beaded bottom surface that prevents scratching and slippage for additional...

  • Glass Erlenmeyer Flasks

    Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and long lasting performance and use in the lab. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Feature heavy-duty rims and graduations in durable...

  • Conical Flasks

    United Scientific Supplies

    Borosilicate Glass Erlenmeyer Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Narrow Mouth with Screw Cap.

  • KIMAX Graduated Erlenmeyer Flasks

    DWK Life Sciences (Kimble)

    With pennyhead Standard Taper stopper Designed from ASTM Specification E 1404, Type II Class 2 requirements Scale indicates approximate volumes

  • Erlenmeyer Shake Flasks

    DWK Life Sciences (Wheaton)

    The Wheaton Erlenmeyer Flask is made of Lexan Polycarbonate Resin that has outstanding mechanical, optical, electrical and thermal properties. This resin conforms to flame retardant standards and is scratch resistant. This resin also meets the requirements of United States Pharmacopeia (USP) XXII...

  • Plain Bottom Erlenmeyer Flasks

    Thermo Scientific Nalgene

    Reduce cross contamination Sterile Vented closure Designed for shaker and suspension cell culture, media preparation or storage, sterile disposable Erlenmeyer flasks cut the chance of cross contamination. Flasks are made of lightweight clear PETG with molded-in graduations.  High-density...

  • Erlenmeyer Flasks

    United Scientific Supplies

    Borosilicate Glass Erlenmeyer Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack, Wide Mouth.

  • SYNTHWARE Erlenmeyer Flasks

    SYNTHWARE Erlenmeyer flask with standard taper outer joint. All sizes are hand blown from tubing to ensure heavy and uniform wall.

  • DeLong Neck Erlenmeyer Flask Only,1L

    DeLong culture flask without closure Stainless steel or kap-uts disposable closures purchased seperately Borosilicate glass Type 1, Class A Graduated to approximate volumes

  • Flasks, Erlenmeyer, GL Threads

    Flask has a GL screw thread top and is supplied complete with a polypropylene liner less closure and pouring ring. Graduated to approximate volumes.

  • Flask, Erlenmeyer

    With outer joint. 125mL 28/15 used as collection flask at bottom of 7515 sampling cyclone. Available in 300mL and 500mL with 35/25 outer joint.

  • United Scientific™ Erlenmeyer Flask Set of 3

    An ideal starter set for any laboratory, this set contains three narrow-mouth, durable borosilicate Erlenmeyer flasks. Incluees one each of 50 mL, 150 mL, and 250 mL. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical strength. Features...

  • DeLong Flask Comp,2L

    DeLong culture flask Ideal for growing, storing and mixing of aerobic and anerobic cultures Borosilicate glass Type 1, Class A Graduated to approximate volumes

  • PYREX® Erlenmeyer Flasks with 40/35 Standard Taper Joint, without Tubulation

    These PYREX® Erlenmeyer flasks have 40/35 Standard Taper joints. Their uniform wall thickness provides the proper balance between mechanical strength and thermal shock resistance. For convenience, these flasks are graduated to show approximate capacity. An extra large marking space is also...

  • Erlenmeyer Shaker Flasks

    Greiner Bio-One Erlenmeyer shaker flasks are ideal for suspension culture of mammalian cells, plants, microbes and microorganisms. The shaker flasks feature a patented 2-in-1 DuoCAP® which allows for flexibility between vented and non-vented applications. Each flask is manufactured utilizing an...

  • 1000 ML FLASK, ERLENMEYER

    DWK Life Sciences (Wheaton)

    1000 ML FLASK, ERLENMEYER

  • PYREX® Narrow Mouth Erlenmeyer Flasks with Baffles

    These PYREX® Erlenmeyer flasks have heavy tooled rims for maximum durability. The same baffle design as found on PYREX® Delong flasks promotes optimal and consistent solution agitation when used with flask shakers. Their uniform wall thickness provides the proper balance between mechanical...

  • 45mm Erlenmeyer Flask, 6000mL Graduated w/ Screw Cap

    Manufactured from Type 1, Class A, Borosilicate and ideal for all culture and media preparation/storage purposes Supplied with GL45 blue polypropylene linerless screw caps and pouring rings and graduated to approximate volumes

  • Graduated Polycarbonate Erlenmeyer Flasks With Screw Cap

    Toughness and transparency of polycarbonate with the utility of screw closures Use for preparation and storage of culture media and many culturing techniques Safer than glass flasks for use in shakers Closures are linerless, polypropylene non-contaminating Flasks and closures are autoclavable, but...

  • Flasks, Erlenmeyer, Stopper Tops

    Erlenmeyer flask with standard taper stopper top. Available with or without stopper. For stoppers only see CG-3018.

  • Erlenmeyer Flasks

    Carolina Components Group

    FlowTainer™ Erlenmeyer flasks are the optimal choice for ease of use and versatility in your cell culture and microbial fermentation workflows. Available in various sizes, our disposable culture flasks offer exceptional gas exchange properties for optimal cell growth. FlowTainer™...

  • 45mm Erlenmeyer Flask, 4000mL Graduated w/ Screw Cap

    Manufactured from Type 1, Class A, Borosilicate and ideal for all culture and media preparation/storage purposes Supplied with GL45 blue polypropylene linerless screw caps and pouring rings and graduated to approximate volumes

  • 100mL Narrow Mouth, 12 Size: 5

    Manufactured from Type 1 Class A Borosilicate Glass. Narrow mouth with heavy duty rim to prevent chipping. Ideal for general laboratory use. graduated to approximate volumes.

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What is the Erlenmeyer flask used for?

The Erlenmeyer flask is a versatile laboratory vessel for mixing, heating, and storing liquids. Its conical shape minimizes spillage and splashing during mixing, making it ideal for tasks like titrations, preparing solutions, or culturing microorganisms. The narrow neck reduces evaporation and allows stoppers for secure containment, while its broad base ensures stability on lab surfaces. Scientists and researchers use Erlenmeyer flasks in chemistry, biology, and microbiology for both small-scale experiments and large-scale media preparation.

What is the function of a filter flask in chemistry?

A filter flask, also known as a Buchner flask or vacuum flask, is used in chemistry to facilitate filtration processes under reduced pressure. Its thick-walled design withstands the vacuum created when connected to a vacuum pump or aspirator. When used with a Buchner funnel and filter paper, the sidearm outlet allows air to draw out, speeding up the filtration process. Filter flasks separate solids from liquids, purify samples, or dry precipitates in analytical and preparative chemistry.