Chemglass
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Stirrer Bearings
ChemglassGrease-Free PTFE stirrer bearing for use under moderate vacuum. The bearing consists of a PTFE standard taper body, Nylon compression cap, PTFE Insert/bushing and a Nylon loosening nut. The PTFE insert/bushing provides only glass and PTFE contact with the reaction. Loosening nut above the standard…
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Beakers, PTFE, Low Form
ChemglassChemically inert PTFE beakers can withstand temperatures up to 260°C.
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Low actinic red stained glass provides protection to light sensitive solutions. Allowing less than 1% transmission below 400nm and 5% from 400-600nm. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large…
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Adapters, Gas Inlet, Gas Scrubber
ChemglassGas inlet adapter with 45/50 inner joint, is used for connection of the gas source to the lower reservoir. Inlet connection is 1/2” Swagelok® tubing for use with CG-1975-20 compression fitting. Adapter is available in 3 styles. Style "A": Adapter has a large 25mm x 70mm…
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Vacuum Traps, O-Rings, Airfree®, Schlenk
ChemglassTwo-piece vacuum trap with #15 o-ring joints on both the inlet and outlet ports. The seal between the trap stopper and body is made with a 57mm flat o-ring flange for total grease-free operation when used with either the AF-0060 or AF-0061 manifolds. Trap body is 57mm OD x 300mm in length to be…
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Adapters, Inlet, Airfree®, Schlenk
ChemglassGas inlet adapter with a 2mm glass stopcock having a constant pressure retention device. Available with a choice of inner or outer standard taper joint. Top arm is 9mm O.D. medium wall tubing for use with CG-3022 septum. Overall height of the 14/20 size is approx. 95mm while the 24/40 is approx. 120mm.
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Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for larger capacity round bottom flasks.
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Allihn Condensers
ChemglassAllihn style reflux condenser with a plain tubulation at the top and a lower inner drip tip joint. Hose connections have an O.D. of 10mm at the middle serration.
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Adapters, Airfree®, Schlenk
ChemglassAdapter allows standard single neck round bottom flasks to be used as storage vessels. Sampling can be accomplished by removing 0-4mm Chem-Vac™ Chem-Cap® plug while maintaining inert gas purge thru sidearm. Available with a choice of 14/20 or 24/40 standard taper inner joint.
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Adapters, Connecting, Combination
ChemglassWith top spherical socket joint and lower standard taper inner joint.
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T-Bore Glass Plug Pressure Stopcocks
ChemglassT-BORE, Similar to CG-458, but with three stems sealed 90º apart. Solid glass plug has a "T" shaped bore so that any two or all three arms can be connected at one time. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug. DOUBLE OBLIQUE BORE,…
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Vertical Support Rods
ChemglassThis stainless steel vertical support rod is 10mm OD and 450mm in length. One end has M10 thread to fit into back right hand corner of hot plate stirrers.
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Removable Hose Connections, GL Threads
ChemglassPolypropylene hose connections with a Viton rubber seal for use with GL-14 or GL-18 glass screw threads for working temperatures up to max +110°C. Enables the connection of cooling or vacuum hose by simply screwing either style (straight or bent) onto the glass thread instead of forcing Tygon…
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Quartz with Lid Crucibles
ChemglassCrucible for use in temperatures up to 1000°C. Perfect for use in muffle furnace ashing procedures. Quartz material ensures sample purity for further analysis.
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Minum-Ware® Deluxe Kit
ChemglassMINUM-WARE® KITS, DELUXE, This kit contains the microscale components to do all of the experiments described in Organic Laboratory Techniques, Donald L. Pavia, Gary M. Lampman, George S. Kriz, Randy G. Engel, Sanders College Publishing-Chicago IL. and Microscale Organic Laboratory, Dana W.…
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Allihn style reflux condenser similar to CG-1206 but with detachable hose connections. Connections are made of polypropylene and provide a safe and easy way of connecting and disconnecting flexible tubing to the condenser. Hose connections have an O.D. of 8mm and an I.D. of 4mm. Supplied complete…
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ChemRxnHub™ Triple Support Stand
ChemglassFeatures: S.S. Uprights and Heavy Duty PTFE Coated Aluminum Fittings Provide Maximum Strength and Chemical Durability. Supports THREE Reactors side by side from 300mL to 5L. Removable Polyethylene Spill Tray. Adjustable Middle Support Bracket is Vertically…
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Stopper, Flask Length, Pennyhead
ChemglassAll sizes are solid with the exception of the #38 (CG-3018-08) which is hollow.
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Rotary Evaporators, 5L
ChemglassFeatures: Large PTFE coated heating bath With reflux valve for distillation under total reflux Unique design vapor seal maintains vacuum 5L Evaporating Flask Capacity with flat flange With feeding valve and bottom drain valve for continuous operation without interruption of vacuum…
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Clear Vials
ChemglassPre-Packed HPLC Vials Chemglass has made it easier for you by providing convenient pre-packed vials. The components are packaged in clear trays with clear snap on lids. The trays fit easily into bench drawers for easy access and the packaging keeps products visible & particle free.
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Similar to CG-1196 but with a COARSE porosity sealed in fritted disc to support column packing. Column is constructed using MEDIUM WALL TUBING. Can be used as a gravity eluted column or a flash column (as described by W.C. Still, M. Kahn and A. Mitra of Columbia University in JOURNAL OF ORGANIC…
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Lower half of flask has a jacket permitting heating or cooling of the contents with fluid from a constant temperature bath. The unique design of the Chem-Drain valve incorporates a PTFE plunger that allows the contents of the flask to drain directly through the bore of the plunger. When closed,…
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Funnels, Process Reactors
ChemglassFeatures: Large Opening Polypropylene 60 and 80mm Reaction Flange for Easy Connection Fits 10 thru 100L Reactor Systems Large funnels have a 60mm or 80mm flange fused to the bottom of the funnel. This design makes them ideal for filling our process reactors by clamping the…
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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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Bottles, Gas Washing, Tall Form, Fritted
ChemglassTall form gas washing bottle having a standard taper 34/28 top joint, hex base and coarse fritted tube for gas dispersion. Stopper is held in place with two CG-110-02, 18mm stainless steel springs. Springs are supplied when bottle is ordered complete.
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Bump Traps, Self Washing
ChemglassTrap is designed to eliminate hold up common to the round style of rotary evaporator traps. Tapered sidewalls permit continuous washing with condensed solvent while preventing vapor cooling points along the path of the condenser. The upper stem has 4 large holes flush with the lower end, allowing…
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Adapters, Pressure Vessel
ChemglassAdapter permits rotary evaporation of the contents of any of our CG-1880 pressure vessels after the reaction is complete. Adapter can also be connected to any vacuum line having a 24/40 port or used in conjunction with a CG-1014 adapter to connect to hoses. Eliminates the need to transfer samples…
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PTFE Stopcock Vacuum Manifolds
ChemglassGeneral purpose single bank vacuum manifold with 4 or 6 ports. Main tube is 1" OD with a serrated hose connection, having the smallest serration 13.5mm and the largest serration 15.5mm, located at either the left or right side for vacuum connection. Ports are 4mm PTFE stopcocks with serrated…
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Gregar Extractor
ChemglassThe Gregar Extractor† is the first major advance in laboratory extractor design in over 100 years. Developed by Joseph Gregar and Ken Anderson of Argonne National Laboratories, this extractor is the only unit on the market that can perform all three common types of extraction. During solid…
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Chem-Stir® Macro Stirrer Assembly
ChemglassAssembly consists of a 10mm OD Chem-Stir™ stirrer shaft, a precision bore-bearing having a standard taper inner joint and a PTFE blade. The blade is sized to fit the listed flask capacities.