Specialty Flasks

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Flasks Specialty Flasks

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  • Flask, Spherical, Three-neck, Zero Dead Space Valve

    Ace Glass

    Heavy wall, spherical reaction flask with three vertical necks. Flask has a Zero Dead Space (ZDS) bottom valve. The valve features no material hang-up in the fully open position. When closed, the valve seats flush with the bottom of the flask.

  • Cylindrical Reaction Vessels with Flat Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing…

  • Fat Extraction Flask, 25 mL

    DWK Life Sciences (Kimble)

    Settling chamber capacity: 25 mL Extraction chamber diameter: 35 mm Top opening has pouring lip and is tooled for a#0 stopper.

  • Cylindrical Reaction Vessels with O-Ring Flange

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass cylindrical reaction vessels have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. Note: Use LG-7316 clamps.

  • SYNTHWARE Reaction Tubes with Glass Stopcock

    Kemtech America

    SYNTHWARE cylindrical reaction tube with standard taper outer joint and 2mm bore glass stopcock sidearm. Useful for sample storage and simple reactions. The stopcock has a constant pressure retention device.

  • Flask, Reaction, Cylindrical, Indented Style

    Ace Glass

    Rugged cylindrical reaction flask with Duran, flat, ground flange with O-Ring groove, for use with 6517 Quick Release Clamp but with indents for greater agitation. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). Plain silicone O-Rings are also available. For…

  • SYNTHWARE Transfer/Storage Flasks

    Kemtech America

    SYNTHWARE transfer/storage flask for long term storage of deoxygenated solvent. Recovery of solvent is done thru the valve body using a cannula or syringe.

  • Kuderna-Danish Flasks


    Lower body of flask has a hemispherical shape to afford continuous flow of heavier fractions to concentrator tube during reflux. Top joint is a 24/40 outer while the lower joint is a 19/22 inner. Available with and without hooks on the lower 19/22 inner joint.

  • Iodine Flasks


    For the determination of the iodine number of oils, fats and waxes by the Wijs and Hanus methods Flaring, funnel-shaped lip and Standard Taper 22 stopper

  • Kriel Reactor, Photochemical

    Ace Glass

    Reactor is most useful in prep-scale photolysis and features tapered sides which assures full submersion using our 7825-34 or 7825-36 lamps within the supplied quartz immersion well. A 20% savings in reaction time over round bottom flasks. Additionally

  • Stainless Steel McCarter Reaction Clamps

    Wilmad-LabGlass - SP Scienceware

    Used to connect two pieces of glass with flat flanges of the same diameter, these stainless steel horseshoe-shaped clamps are uniquely designed. Adjustable tension springs that secure even pressure over the flange area, may be slid on or off easily - thus facilitating assembly and disassembly of…

  • VITLAB, PFA Round Bottom Flasks


    These corrosion- and leach-resistant flasks are excellent for rotary evaporation and distillation of high-purity chemicals. They are manufactured from PFA (a perfluoroalkoxy polymer) for excellent resistance to heat and chemical contamination, as well as smooth surfaces that greatly simplify…

  • CELLine Bioreactor Flasks

    Argos Technologies

    CELLine Flasks are ideal for monoclonal antibodies and expressed recombinant cellular protein production. Viable in vitro alternative to using mouse ascites, standard cell culture or tissue culture products. Bioreactors utilize innovative membrane technology to separate the cell cultivation area…

  • Pear Shaped Glass Recovery Flasks

    United Scientific Supplies

    Heavy wall recovery flasks are ideal for use with rotary evaporators. Flasks feature a square bead and a single neck with ground glass 24/40 joint. Opening at top is designed for easy recovery of reaction products using a spatula. Flask bottom fits standard heating mantles.

  • 4 Neck Molded Reaction Vessel Covers

    Wilmad-LabGlass - SP Scienceware

    These borosilicate glass 4-neck reaction vessel lids/covers have a contact surface that is finely ground to provide a tight seal. Featuring a flat flange, these pressed lids have a center neck and three side necks with outer Standard Taper joints. Use LG-7316 clamps. NOTE: LG-8081 for use with…

  • Storage Flasks, O-Ring, Airfree®, Schlenk


    Flask has a #15 o-ring joint on the sidearm and a Chem-Vac™; Chem-Cap®; valve to control gas or liquid flow into the vessel. All sizes are of heavy wall construction, and are used with AF-0060 and AF-0061 manifolds or any other Airfree® component with a #15 o-ring joint. Supplied…

  • Heavy Wall 1L Round Bottom Receiving Flasks

    Across International

    Ai 35/20 standard taper joint, heavy wall 1000mL round bottom receiving flask.

  • SYNTHWARE Modified Schlenk Flasks with Teflon® Stopcocks

    Kemtech America

    SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 2mm bore PTFE stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • SYNTHWARE Round Bottom Pressure Vessels

    Kemtech America

    Pressure Vessel, Round Bottom, Synthware, Capacity: 75, 15, or 350mL available, OD: 46-80mm available, Length: 129-162mm available, GL Thread: 15 or 25 available.

  • SYNTHWARE Storage Flasks with High Vacuum Valve

    Kemtech America

    SYNTHWARE storage flask with high vacuum valve and side arm. Valve has a PTFE o-ring at the tip and PTFE wiper to protect the Viton o-ring on the shaft.

  • Heavy Wall Buchner Funnels

    Across International

    Ai heavy wall Buchner funnel with course frit, allowing you for vacuum filtering and separating solids from liquids.

  • SYNTHWARE Modified Schlenk Flasks with Glass Stopcocks

    Kemtech America

    SYNTHWARE modified Schlenk flask with a standard taper outer joint and 2mm bore glass stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • Flask, Single Neck, Flat Bottom

    Ace Glass

    Flat bottom flask featuring a single, short neck with a standard taper outer joint.,/p>

  • SYNTHWARE Reaction Vessel, Photochemical

    Kemtech America

    Reaction Vessel, Photochemical, Synthware, Joint: 14/20 + 24/40, #50 Internal Top Thread, #7 Arm Side Thread, 500mL Capacity.

  • Flask Reaction, Hi-Vac Valve NO-AIR

    Ace Glass

    Round bottom borosilicate glass flask with standard taper center neck and a 0-4 Hi-Vac valve for precise control. Flask is ideal for simple NO-AIR and vacuum applications. Outlet arm is 8MM and can be fitted with a rubber septa for insertion of samples or additives via syringe.

  • Head, Duran Flange

    Ace Glass

    Flat ground flange for use with all Reaction Flasks that have a 100mm (4") Duran ground mating flange. Supplied with three in line ground joints and one or two 90 degree joints. For thermometer or probe adapter, see our 5028 series. For clamp, see 6517.

  • Conical Flange Vessel Clamp

    Wilmad-LabGlass - SP Scienceware

    This clamp is designed for reaction vessels/kettles with a conical flange. The top clamp is easily removed without disturbing the cover or body of reaction flask. Disassemble by loosening nuts. Includes extension rod for clamping to a laboratory stand. NOTE: Use with LG-8010 to LG-8050 vessels…

  • Storage Flasks, Cajon, Airfree®, Schlenk


    Storage flask sidearm has a 9mm OD tubulation for use with 3/8" Cajon® connections. Chem-Vac™ Chem-Cap® valve is used to control gas or liquid flow into the vessel.

  • Vessel, Reaction, Jacketed, Ultrasonic, 250mL

    Ace Glass

    Similar to 9833-05 Vessel except jacketed to provide active cooling from tap water or mechanical cooler. Jacket is cylindrical with flat bottom for greater stability. With #25 Ace-Thred center neck and three 14/20 side necks. Code -35 includes our 7506-10 #25 Ace-Thred bushing used to secure a…

  • Flasks, Storage, Side Arm, Airfree®, Schlenk


    Round bottom storage flask with a standard taper outer joint on the sidearm. The 50, 100 and 250mL sizes have a 0-4mm Chem-Vac™ Chem-Cap® valve while the 500 and 1000mL sizes have a 0-8mm valve size.

  • PTFE Boiling Flask, Round Bottom, Single Neck

    Ace Glass

    Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

  • Flask Single Neck, Side Arm, No-Air

    Ace Glass

    Round bottom flask with single neck with standard taper joint and a 8mm side outlet with either a 2mm glass stopcock or a 0-3 inlet valve. Ideal for Schlenk lines and either NO-AIR or vacuum applications. Includes one 9096-32 septa for side arm.

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