Specialty Flasks
Specialty flasks are the backbone of many experimental setups, offering the durability and precision needed for demanding experiments.
Explore our diverse collection, including round bottom flasks, single neck flasks, bioreactor flasks, Ace Glass freeze-drying flasks, and 4 neck flat flange reaction vessel covers. All flasks are carefully designed to withstand the requirements of multiple research and analysis procedures.
In this category, you'll discover renowned brands such as Chemglass, Ace Glass, and Kemtech America, all known for their commitment to quality and innovation in lab glassware.
Whether you're searching for a Schlenk flask, a three-neck round bottom flask, a biomass flask, or a 3-neck flask for your lab, we offer a selection of flask options suitable for a range of experiements. Trust our specialty flasks to provide the precision and durability your research demands.
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CELLine Adhere
Argos TechnologiesCELLine Flasks are ideal for monoclonal antibodies and expressed recombinant cellular protein production. Viable in vitro alternative to using, standard cell culture or tissue culture products or mouse ascites. Bioreactors utilize innovative membrane technology to separate the cell cultivation area…
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Overflow measuring flasks are a simple and very precise way to conform to fixed volume instructions. They are available in different sizes for different measuring ranges with the respective sample volumes.
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Iodine Flasks
CorningFor 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
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Round bottom 2-neck flask having standard taper outer joints, both being of the same size. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve. Side neck can be fitted with a CG-3022 septum…
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Flask, Single Neck, Flat Bottom
Ace GlassFlat bottom flask featuring a single, short neck with a standard taper outer joint.,/p>
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Jacketed Cylindrical Reaction Vessels with Flat Flange
SP Wilmad-LabGlassThese 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…
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SYNTHWARE Schlenk Storage Tubes with High Vacuum Valves
Kemtech AmericaSYNTHWARE 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.
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SYNTHWARE Modified Schlenk Flasks with Glass Stopcocks
Kemtech AmericaSYNTHWARE 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.
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Round bottom, HEAVY WALL flask with a standard taper outer joint and a side well to accept a thermometer. Top of thermowell is tooled to accept a #0 rubber stopper.
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Head, Filter Reactor
Ace GlassReactor head, 60mm o-ring groove flange with (3) in-line 24/40 joints. Use with our 6384, 6386 and 6388 reactor bodies.
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Cylindrical Reaction Vessels with Flat Flange
SP Wilmad-LabGlassThese 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…
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Flasks, Heavy Wall, Pear Shaped
ChemglassPear shape HEAVY WALL flask with a standard taper outer joint.
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Biomass Flasks
GSC International, Inc.These biomass flasks are made from quality borosilicate glass. They all have a 24/40 ground glass bottom joint, but their top joints are all different sizes that are designed to fit our various distilling arms . The large top openings are ideal for inserting materials for distillation. …
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Fully jacketed, european style flasks with tapered walls and shallow bottoms for more efficient half-moon shaped paddle stirring. Jacket has hose connection inlet/outlet. Available in three necks or 5 neck version featuring two #7 Ace-Thred joints with
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Reaction Flask, Cylindrical, Jacketed
Ace GlassCylindrical jackted reaction flask with a 4" (10.2cm), top opening. Jacket inlet/outlets are available with tangentially sealed with 28/15 O-Ring ball joint connections, or with #11 Ace-Threds, for use with 3/8in tubing.
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Flasks, Tapered, European Style, 3-Necks
ChemglassEuropean style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. With standard taper outer joints on center and side necks.
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Distilling round-bottom flask coated with Ace Instatherm. Designed to operate up to 360 & deg; C, heating response time is very rapid, (5° per minute), with very low thermal lag. Has vertical standard taper reinforced outer center neck and angled standard taper reinforced outer side neck.…
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Glassblowers Flask Blanks, Round Bottom
ChemglassBlanks for fabrication of single or multi-neck round bottom flasks. NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Disposable Side-arm Assembly
CorningCorning Spinner Flask Aseptic Transfer Caps will enhance the productivity of your cell culture operations when adding or removing medium and cells. Aseptic Transfer Caps are sterile (10?6 SAL), individually double bagged and fit the side arms on 3L Corning Disposable Spinner Flasks (Cat. No. 3563).…
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Glassblowers Flask Blanks, Recovery
ChemglassBlanks for fabrication of recovery flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Round bottom, borosilicate flask for NO-AIR and vacuum applications. Ideal for storage or reactions. 0-4mm Hi-Vac valve for precise control of flow. 15mm o-ring joint side arm for connecting to schlenk lines. 7855-726 Fetfe o-ring included.
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Round bottom, HEAVY WALL, five-neck flask with standard taper outer joints on the center neck and vertical side necks.
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Glassblowers Flask Blanks, Flat Bottom
ChemglassBlanks for fabrication of single or multi-neck flat bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Flask, Trypsinizing
ChemglassManufactured from Type 1 Class A borosilicate glass with FOUR deep side baffles for optimum agitation during trypsinization. Flask comes with beaded, break-resistant lips and 50mm OD necks. Sold 1 per case.
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Round bottom storage flask which can maintain dry, grease-free and deoxygenated solvent storage for long periods of time. Unique design permits filling of the flask using a 24/40 inlet off of a vacuum line and recovery of the solvent via a cannula or syringe through the valve body.
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Flask, Jacketed, with Polished Joint
Ace GlassJacketed version of standard 9448 Flask. Furnished with polished 45/50 outer joint so that it can be used with 9443-20 or 9446 Heads with PTFE-Clad joint which does not require lubricant and does not freeze under high temperature, vacuum operation.
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Made of high quality, heavy duty, 3.3 borosilicate glass Includes interchangeable glass penny-head stopper Perfect for any science or home laboratory Iodine flask with ground joint and interchangeable stopper made of high quality, heavy duty 3.3 borosilicate glass. Used for iodine value…
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Rugged cylindrical jacketed reaction flask with Duran, flat, ground flange and o-ring groove. Various bottom outlet options are available (see details below). For use with 6517 quick release clamp. Jacket inlet/outlets are available with either tangentially sealed o-ring ball joints or with…
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Rugged spherical reaction flask with Duran style flat flange with O-Ring groove, for use with 6517 Quick Release Clamp. Various valve and bottom fitting configurations available, see individual listings. each flask includes a CAPFE (PTFE encapsulated silicone) O-Ring. Plain silicon O-Rings are also…
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Kriel Reactor, Photochemical
Ace GlassReactor 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
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