Specialty Flasks

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  • Jacketed Cylindrical Reaction Vessels with Flat Flange

    Wilmad LabGlass

    These jacketed, cylindrical borosilicate glass 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…

  • KIMAX Sugar Flasks

    DWK Life Sciences (Kimble)

    Kohlrausch, Class A Borosilicate glass Calibrated to contain 20°C Mouth enlarged for easier introduction of sample Meet NBS requirements

  • SYNTHWARE Schlenk Storage Tubes with High Vacuum Valves

    Kemtech America

    SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

  • Cylindrical Reaction Vessels with O-Ring Flange

    Wilmad LabGlass

    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.

  • Cylindrical Reaction Kettles

    Wilmad LabGlass

    Cylindrically shaped, the upper end of these borosilicate glass reaction kettles are tooled to obtain a thickened portion and flat top.The finely ground tops create a leak-proof fit with covers LG-8030 to LG-8050, ML-1285 and ML-1286.

  • 4 Neck Reaction Vessel Covers

    Wilmad LabGlass

    Featuring a center neck and three side necks with full length outer Standard Taper joints that are 120° apart, these borosilicate glass reaction vessel lids have a conical flange. Bottom flange ID is 4" and ground for a leak-proof fit with a reaction flask. For use with reaction vessels…

  • VITLAB, PFA Round Bottom Flasks

    BrandTech®

    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…

  • Cylindrical Reaction Vessels with Flat Flange

    Wilmad LabGlass

    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…

  • 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.

  • Stainless Steel McCarter Reaction Clamps

    Wilmad LabGlass

    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…

  • Cylindrical Jacketed Reaction Vessels with O-Ring Flange

    Wilmad LabGlass

    These cylindrical borosilicate glass reaction vessels are jacketed with 1/2" hose connections. They 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.

  • 4 Neck Molded Reaction Vessel Covers

    Wilmad LabGlass

    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…

  • Conical Flange Vessel Clamp

    Wilmad LabGlass

    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…

  • 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…

  • Iodine Flasks

    Corning

    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

  • Flask, Flat Bottom, Three Neck

    Ace Glass

    Flat bottom, three neck flask can sit on stirrer hot plate with no further support. 250ml and 500ml sizes feature angled side necks while the 1000ml size necks are vertical.

  • Reaction Assembly, Spherical Flask, 12L thru 72L

    Ace Glass

    Complete reaction assembly available in 12L, 22L, 50L and 72L spherical flask capacities. Unit is complete with heating mantle and controls, mechanical stirrer and controls, pressure equalizing funnel and pilot plant condenser.

  • 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.

  • 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.

  • SYNTHWARE Heavy Wall Cylindrical Pressure Vessels

    Kemtech America

    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.

  • SYNTHWARE Round Bottom Reaction Flasks with Glass Stopcock

    Kemtech America

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

  • Stainless Steel Quick Release Clamps

    Wilmad LabGlass

    Made entirely from stainless steel, these clamps firmly hold reaction vessels with Duran® flanges, and lids together. Quick release mechanism has a screw adjustment for tension control of flange.

  • 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 Storage Flasks with Outer Joints

    Kemtech America

    SYNTHWARE storage flask with standard taper outer joint and high vacuum valve. Valve has a PTFE o-ring at the tip. Valve is used to control liquid or gas flow into the flask.

  • 4 Neck O-Ring Flange Reaction Vessel Covers for Size 359 O-Rings

    Wilmad LabGlass

    Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

  • SYNTHWARE Storage Tubes with Outer Joints

    Kemtech America

    SYNTHWARE storage tube with standard taper outer joint and high vacuum valve. Valve has a PTFE o-ring at the tip. Valve is used to control liquid or gas flow into the vessel.

  • SYNTHWARE Round Bottom Reaction Flasks with High Vacuum Valve

    Kemtech America

    SYNTHWARE round bottom single neck reaction flask with a standard taper outer joint and a high vacuum valve sidearm. Useful for sample storage or simple reactions. Valve plug may be removed to sample from the flask while an inert gas purge is passed through the sidearm.

  • Pilot Plant Reactor, Cylindrical, 10L, 30L, 50L

    Ace Glass

    Cylindrical pilot plant reactors providing portable, self-contained reaction system for research and production purposes. Systems available in 10L, 30L and 50L plain or jacketed capacities with a variety of domed or flat reaction heads. Ask us to build

  • Flask, Reaction, Cylindrical, with Bottom Outlet

    Ace Glass

    Rugged cylindrical reaction flask Duran, flat, ground flange and O-ring groove, with an Easy Action Plug bottom outlet with Chemraz O-Rings for draining contents. For use with 6517 quick release clamp. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). Plain silicone…

  • 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.

  • Flask, Pear Shaped, Two Necks

    Ace Glass

    Pear shaped flask with outer joints. Microscale version comes with two 14/10 outer ground joints externally threaded to allow an O-RING-CAP-SEAL type connection with mating inner joint. Supplied with holed caps, PTFE-faced septa and FETFE O-Rings. For

  • Jacketed Indented Cylindrical Reaction Vessel with Flat Flange

    Wilmad LabGlass

    These jacketed, cylindrical borosilicate glass reaction vessels have four indentations for improved stirring. They 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. Jacket has 1/2" hose…

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