Lab Flasks

Lab flasks are essential tools in the laboratory environment, offering versatility and precision in various scientific applications. This category, including a range of flask types, is integral to experiments across chemistry, biology, and pharmaceutical fields.

volumetric flasks, prized for their accuracy in measuring liquid volumes, are a highlight of this category, crucial for quantitative analyses. boiling flasks, with their round bodies and narrow necks, facilitate even heating and are essential in distillation and boiling processes. Neck filtration flasks are designed for vacuum filtration, combining durability with functionality for precise separation tasks.

The round, bottom-angled three-neck flasks stand out for their adaptability in complex chemical reactions, allowing simultaneous inputs or outputs. Also, baffled flasks enhance the mixing and oxygen transfer in biological cultures with their unique design.

Each type of lab flask, from glass flasks with stoppers to volumetric flasks, plays a pivotal role in lab efficiency and accuracy. This extensive range of lab flasks enhances experimental capabilities and encourages exploration and innovation in laboratory settings.

Lab Flasks

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  • Thomas-Schoniger Platinum Sample Carriers

    22- or 18-gage platinum wire gauze U-Shaped Carrier is 12 x 12 mm with a 3 mm space between sides. The 20-gage wire stem forms into loop for hanging on stopper hook in Thomas-Schoniger flask. Heavy-gage sample carrier is similar to 1233S50 Sample Carrier but with heavier 18-gage wire.

  • Flask, Volumetric , Globe Glass

    Globe Glass volumetric flasks are calibrated to meet ASTM tolerance specifications for precise measurement in solution preparation and dilution.  A diamond etched graduation line indicates the calibrated capacity of each measuring flask.  Wide mouth options are available for easier filling...

  • Tissue Culture Flasks

    Celltreat Scientific

    CELLTREAT Tissue Culture flasks are manufactured under the most stringent conditions and include a 100% integrity test to assure the reliability with your tissue and cell culture work. Class 100,000 clean room, USP class VI virgin polystyrene, and ISO 9001:2000 quality management systems all...

  • Erlenmeyer Flasks For General Laboratory Use

    Heavy-walled, unbreakable in normal use Polypropylene has excellent chemical resistance and withstands continuous service at 130°C Autoclavable 2,000 mL flasks have molded-in graduations Stopper size: 50 mL flask No.1; 125 mL flask No.3; 250 mL flask No.6; 500 mL flasks No.7; 1,000 mL flask, No.8;...

  • Glass Filtering Flasks

    Borosilicate Glass Filtering Flasks include a heavy-duty rim and a bolt neck with tubulation. Graduations are printed in durable white enamel. Manufactured from low-expansion Type 1, Class A Borosilicate 3.3 glass that complies with ASTM E438 Standard Specification for Glasses in Laboratory...

  • Stainless Steel Dewar Flasks

    Crystal Technologies

    Store and transport low-temperature liquid gases or high temperature liquids. Dewar flasks are available in two sizes 1000ml or 500ml and come complete with vented stainless steel lids. Model SDF-1000 comes with removable stainless steel handle.

  • PYREX Graduated Erlenmeyer Flasks, Wide Mouths

    These PYREX® wide mouth Erlenmeyer flasks are especially recommended for use as titration flasks and are designed with heavy duty rims to reduce chipping. For convenience, these flasks are graduated in durable white enamel to show the approximate capacity and have an extra large marking...

  • PETG Erlenmeyer Flasks

    NEST Scientific USA

    Ideal for shaker culture applications. PETG Bottle & HDPE Cap Sterilized by E-Beam Nonpyrogenic Packaged in sterile bags Non-toxic and environmentally friendly.

  • TPP® tissue culture dishes

    Innovative features and outstanding cell growth properties make the TPP tissue culture dishes the ideal choice for adherent cell culture in research and industry. These optically clear, high-grade polystyrene tissue culture dishes are tissue culture treated only on the base of the dish with a...

  • TPP® tissue culture dishes

    Innovative features and outstanding cell growth properties make the TPP tissue culture dishes the ideal choice for adherent cell culture in research and industry. These optically clear, high-grade polystyrene tissue culture dishes are tissue culture treated only on the base of the dish with a...

  • SYNTHWARE Round Bottom Flasks

    SYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.

  • Class B Polymethypentene (PMP) Volumetric Flasks

    Protect against leakage, breakage, and contamination. Thermo Scientific™ Nalgene™ Class B Polymethylpentene (PMP) Volumetric Flasks with Screw Caps are calibrated "To Contain" and "To Deliver" at 20°C. Flasks are lighter in weight than glass, more transparent than...

  • Class A Volumetric Flasks

    SP Wilmad-LabGlass

    These borosilicate glass volumetric flask sizes comply with requirements for Type 1, Class A "Unserialized flasks". They are supplied with a standard taper penny head glass stopper. Calibrated "to contain" at 20°C. Reference: ASTM E288 and Federal Specifications NNN-F-289....

  • SYNTHWARE Round Bottom Two Neck Flasks

    SYNTHWARE round bottom, heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.

  • Multiple Well Plates

    Celltreat Scientific

    Available in 6, 12, 24, 48 and 96 well flat bottom configurations NEW — 96 well plates now available with a round bottom Plates are labeled with alpha-numeric markings for easy identification of individual wells Each well has a raised rim which nests into the rings on the single direction lid...

  • 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...

  • Large Polycarbonate Erlenmeyer Flasks

    Disposable flasks feature wide, easily accessible mouths Optically clear polycarbonate Baffled and non-baffled bottoms available Sterile and certified non-pyrogenic Fernbach design 4907K36, 4907K49, 4907K30, and 4907K48 are certified RNase- and DNase-free Designed for use as culture flasks or...

  • Erlenmeyer Flasks

    Benchmark Scientific

    These Erlenmeyer Shaker Flasks are made of polycarbonate, PETG, or styrene/butadiene (Jumbo Flasks only). The polypropylene screw caps are vented with 0.2µm membranes to increase air transmission and enhance cell growth. The mouth size conforms with international SBS standards, for quick, secure...

  • Polycarbonate Erlenmeyer Flasks

    Disposable flasks feature wide, easily accessible mouths All flasks have Sterility Assurance Level (SAL) of 10 -6 Non-binding Wide, easy access mouth Made from optically clear polycarbonate Sizes from 125 mL to 1 L Certified non-pyrogenic Non-baffled bottoms Certified RNase- and DNase-free Designed...

  • 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...

  • Erlenmeyer Flasks

    NEST Scientific USA

    2L PC Erlenmeyer Flask Ideal for shaker culture applications 2L H-Efficiency Erlenmeyer High-efficiency, large-volume culture flasks allow cells to show strong viability with large expression amount of proteins in the culture of mammalian cells and insect cells.  During the culturing process,...

  • Bidwell-Sterling Moisture Traps with Vapor Connection

    For the determination of water in petroleum and bituminous materials, these borosilicate glass Bidwell-Sterling moisture traps collect liquefied vapor. They feature a connection between top of vapor tube and graduated tube. This construction allows excess solvent to return to flask with minimal...

  • Polycarbonate Fernbach Flasks

    TriForest Fernbach culture flasks are sterile and designed for single use, however, it can be autoclaved and reused multiple times. They are ideal for all shaker/suspension culture. Like all TriForest Erlenmeyer flasks, the 3L Fernbach flasks come with the patented DuoCAP®. They are certified...

  • Thomas-Schoniger Replacement Combustion Flasks

    labForce® (powered by Thomas Scientific)

    Conical, of heavy-wall borosilicate glass All sizes have Standard Taper 34/28 ground joints and bell-shape lip 65 mm wide x 30 mm deep. 500 mL flask is 195 mm high: 1,000 mL flask, 230 mm. Without stopper or platinum carrier.

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What are three-neck flasks used for?

Three-neck flasks are versatile pieces of laboratory glassware for conducting chemical reactions that require multiple access points. The central neck is typically used for mounting a reflux condenser or stirring apparatus, while the two side necks provide ports for adding reagents, inserting thermometers, or connecting additional equipment like gas inlets or distillation setups.