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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  • Treated Cell Culture Flask

    labForce® (powered by Thomas Scientific)

    Made of high clarity, 100% virgin polystyrene. Sterilized by E-beam, SAL=10-6. Non-Pyrogenic, DNase/Rnase free cell culture bottles. Frosted writing and clear graduations. Notched bottom for slip free stacking. Clear lot number for batch traceability. Cell culture bottles packaged in sterile,...

  • 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...

  • Polycarbonate Erlenmeyer Flasks (Flat Base)

    TriForest Erlenmeyer Shaker Flasks are manufactured with virgin, optically clear, non leaching LEXAN® Polycarbonate resin that retains clarity after gamma radiation. The flasks are certified pyrogen free, DNase/RNase free, ideal for cell cultures, microbial cultures, plants, media preparation,...

  • PYREX Boiling Flasks

    Carefully designed and manufactured from borosilicate glass Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance Excellent chemical durability provides contamination-free results and long life under the...

  • Class A Reusable Plastic Volumetric Flask, Polymethylpentene

    Transluscent flask is supplied with tapered polypropylene stopper with an individually calibrated graduation line. The product is manufactured to Class A tolerances as defined by ISO 1042. They are supplied with an imprinted lot number and certificate. These flasks may be autoclaved to 121ºC...

  • SYNTHWARE Heavy Wall Cylindrical Pressure Vessels

    Pressure Vessel, Heavy Wall, Cylindrical, Synthware, Capacity: 15-120mL available, GL Thread Size: 15, Vessel has an internal thread for use with PTFE bushing, O-ring is positioned above the thread for inproved sealing.

  • Volumetric Flasks with Snap Cap - ASTM Class A

    Made of high quality borosilicate 3.3 glass Includes polyethylene snap cap Single graduation line for precise dilution and preparation Class A as per ASTM-E288 Volumeteric flaks made of durable borosilicate 3.3 glass with a single graduation mark. Fitted with a chemically-resistant polyethylene snap...

  • Polycarbonate Erlenmeyer Flasks (Baffled Base)

    TriForest Erlenmeyer Shaker Flasks are manufactured with virgin, optically clear, non leaching LEXAN® Polycarbonate resin that retains clarity after gamma radiation. The flasks are certified pyrogen free, DNase/RNase free, ideal for cell cultures, microbial cultures, plants, media preparation,...

  • 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.

  • 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...

  • Class A Volumetric Flasks with Snap Cap, Batch Certified, QR-Coded

    Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A plastic snap cap is included. Meets Class A specifications per ASTM E-288. Batch Certified. Our volumetric flasks feature QR code integration to facilitate quick and easy...

  • 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.

  • PYREX Erlenmeyer Shaker Flask

    Delong style Extra deep baffles These PYREX Delong style shaker culture flasks have three extra deep baffles designed to provide greater agitation of solutions to improve oxygen or gas transfer when used with rotary or reciprocating shakers. The long neck reduces splashing and is designed for...

  • Falcon® Cell Culture Flasks

    Vacuum-gas plasma tissue culture treatment provides consistent cell attachment, spreading, and growth    Choose standard tissue culture, Corning® Primaria™, or not tissue culture-treated polystyrene growth surfaces to meet your individual cell culture requirements   ...

  • Wide Mouth, Conical Erlenmeyer Flasks

    United Scientific Supplies

    Wide Mouth, conical flask made of polypropylene. Comes with a screw cap, or can be used with a stoper. Chemical resistant and autoclavable to 120 degrees C. Graduated in easy to see green print

  • 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.

  • 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.

  • Thomas-Schoniger Combustion Flask Stoppers with Platinum Sample Carriers

    6513C60 stopper was traditionally offered by Thomas for 300/500 mL combustion flasks; glass tip extends 50 mm below ground joint 6513C65 stopper is used for 1,000 mL combustion flasks; glass tip extends 90 mm below ground joint All feature U-shaped platinum gauze with 3 mm opening for insertion of...

  • 33 mm Polyethylene Filling Caps

    Sterilized by gamma irradiation 33 mm polyethylene threaded cap Thomas No. 1234H49 is a universal cap with a vented overcap designed to fit pre-existing filling systems for other product brands. Vented overcap has 1.0 µm PTFE membrane sealed into the peelable foil cover. 1234H51 is a 33 mm...

  • PYREX Crystallizing Dishes

    With reinforced rims, fire-polished to reduce chipping Will withstand repeated sterilization (wet or dry) Ideal for storage and crystallization

  • Glass Volumetric Flasks Class B with Glass Stopper

    Glass Class B Volumetric Flasks feature a pennyhead stopper. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included.

  • Heavy Duty Glass Erlenmeyer Flasks

    Thomas Scientific™ Heavy Duty Borosilicate Glass Narrow Mouth Erlenmeyer Flasks are designed for durability and feature significantly thicker walls than standard Erlenmeyer Flasks. Borosilicate glass flasks are designed to give the best combination of thermal shock resistance and physical...

  • Glass Wide Mouth Volumetric Flasks Class A with Glass Stopper

    Glass Class A Volumetric Wide Mouth Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Feature a wider mouth than standard volumetric flasks for easy filling. Flasks feature a sharp graduation line and large white block letters. A...

  • Glass Volumetric Flasks Class A with Glass Stopper

    Glass Class A Volumetric Flasks feature a pennyhead stopper and are Batch Certified. Durable, machine-blown body. Heavy beaded tubing neck. Flasks feature a sharp graduation line and large white block letters. A ground glass stopper is included. Meets Class A specifications per ASTM E288.

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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.