Chemglass Specialty Flasks
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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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European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid. With standard taper outer joints on center and side necks.
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.
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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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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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Glassblowers Flask Blanks, Pear Shaped
ChemglassBlanks for fabrication of pear-shaped flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and 20º angled side necks.
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and vertical side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.
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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, HEAVY WALL, three-flask with standard taper outer joints on the center and side necks. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid. Indentations increase agitation of the contents of the flask during stirring. …
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Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center and side necks. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid.
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Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center neck and vertical side necks. Lower half of the flask is jacketed with two hose connections for circulation of heating or cooling liquid.
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Round bottom, HEAVY WALL, four-neck flask with standard taper outer joints and a # 7 Chem-Thread for insertion of thermometers or bleed tubes having an O.D. between 4 and 7mm.
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Flasks, Heavy Wall, Pear-Shaped, 3-Necks
ChemglassPear shape, HEAVY WALL 3-neck flask with standard taper outer joints on the center and 20º angled side necks.
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Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and angled side neck. Flasks with 10/30 side neck are for use with CG-3506 thermometers. The 29/26 center neck flasks have a groove tooled just below the grind to aid in clamping of the flask.
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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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Storage Flasks, Cajon, Airfree®, Schlenk
ChemglassStorage 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.
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Flasks, Heavy Wall, Pear-Shaped, 2-Necks
ChemglassPear shape, HEAVY WALL 2-neck flask with standard taper outer joints. Flasks with a 10/18 outer joint on the side neck are used with either jointed thermometers or CG-1079 inlet adapters.
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Flasks, PFA, Round Bottom, Three Neck
ChemglassAll PFA three neck round bottom flask with standard taper outer joint center neck and two additional 20° angled side necks. Allows assembly with a temperature probe, electrode or tube. Flask can withstand MAX temperature of 250°C and a MIN temperature of -200°C.
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Heavy wall round bottom three neck flask with standard taper outer joints on center and side necks. Lower outlet is a CG-911-A extended tip which fills the seat area and permits total agitation of the contents of the flask. Once opened the contents of the flask will drain through the sidearm. The…
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Flat bottom borosilicate flask for use with Labconco and Virtis freeze dryers. Wide mouth design provides easy access sample. PLEASE NOTE: FLASKS ONLY. NOT SUPPLIED WITH RUBBER TOP, FILTER OR O-RING. Note: Labconco and Virtis are not related to or affiliated with Chemglass, and…
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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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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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Round bottom, HEAVY WALL two neck flask with standard taper outer joints on both the center neck and vertical side neck.
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Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks.
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Kuderna-Danish Flasks
ChemglassLower 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.
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Round bottom, HEAVY WALL, three neck flask with standard taper outer joints on the center and side necks. Lower outlet is a CG-424-05, 4mm straight bore PTFE stopcock.
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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.
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Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. Lower portion of flask fits standard heating mantles. 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®…
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. For Larger Flasks See CG-1524.
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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…
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Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.