Shaft is precision ground and polished to fit our CG-2086 19mm PTFE bearings. Designed to be used with cylindrical type reactors. The curved glass blades are spaced 120° apart and angled upward. PLEASE NOTE: STIRRER SHAFTS ARE DESIGNED FOR COUNTER-CLOCKWISE ROTATION. ALSO NOTE: 19MM…

Similar to CG-1320-E, but with the addition of (2) 4mm drain holes at the base of the inner tube to allow solvent to drain back into the evaporation flask. Rotary evaporator bump trap is used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from…

Chemglass 135mm round top ANALOG hot plate stirrer system. Hotplates feature many exclusive features and improved safety enhancements. The 135mm diameter heater top is scratchproof and chemically-resistant. The back corner of the housing has an M8 female thread to accept a vertical support rod. …

Coil style reflux condenser with a larger diameter jacket and coil, thereby providing maximum cooling capacity, while being shorter in length. Hose connections are on the bottom of the condenser which makes it easier to connect hose/tubing. Connections are GL14 polypropylene hose barbs and screw…

High efficiency reflux condenser employs a double surface area with a cooling finger sealed into the secondary cooling jacket. Serrated hose connections for water connection extend through the outer bulb and have an O.D. of 10mm at the middle serration. The jacket length is 200mm. PLEASE NOTE:…

The J-Kem® Scientific microprocessor based temperature controller is for use with the CG-1966 and CG-1967 pilot plant reactors. The Model 260 disconnects all output power if the process temperature exceeds the entered temperature by a user-specified amount, or following recovery from a power…

PTFE molded clamps with a steel core can withstand temperatures up to 250° C and are totally chemically resistant and inert.

Grease-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…

Agitators are made entirely of PTFE and glass filled PTFE and are for use with 19mm or 25.4mm OD stirrer shaft CG-2097 and are available in 45°, 60° and 90° impeller angles. The 45° and 60° impellers are set up to stir downwards in a clockwise direction and upwards when rotated…

Blade is shaped to resemble the contour of a round bottom flask. Blades are available solid or perforated. Made of 1/8" PTFE to fit 10mm OD stirrer shafts. Minimum joint size listed is the size required to allow passage of the blade.

Allihn style reflux condenser with a standard taper outer joint at the top and a lower inner drip tip joint. Hose connections have an O.D. of 10mm at the middle serration.

Agitators are made entirely of PTFE and glass filled PTFE and are for use with 30mm OD stirrer shaft CG-2097 in 75 and 100L reactors. The 45°; angle impellers are set up to stir downwards in a clockwise direction and upwards when rotated counter-clockwise. The upper agitator hub is open so that…

Chemglass Magnetic Hotplate Stirrer Designed for Reliability and Safety Chemglass 135mm round top DIGITAL hot plate stirrer system with built in timer. Hotplates feature many exclusive features and improved safety enhancements. The 135mm diameter heater top is scratch proof and chemically…

Flow control adapter for use with CG-1188 and CG-1189 chromatography columns along with CG-1190 reservoirs. Adapter has a 0-4mm Chem-Cap® metering plug.

Stirrer blade made of 1/8" thick solid PTFE for use with both Chem-Stir™ and button style stirring shafts having a 10mm OD.

Similar to CG-1947, support clamp is designed to fit just below the flange of all Chemglass Reactors and permits Reactor lid to be detached without removing the Reactor body from the support clamp. Improved clamp is hinged on one side to swing open and allow complete access to install/remove…

Universal Stirrer Shaft Coupling incorporates a universal joint to compensate for misalignment of drive motor and glass stirrer shaft. Nylon bushing compresses around shaft using an allen screw. Steel stud attaches directly to the chuck of a stirrer motor. Supplied complete with an allen wrench. …

The Chemglass standard taper joint clamp is mainly used for supporting flasks, beakers or burettes while conducting experiments. It is made of sturdy PTFE material which ensures durability and long lasting usage. It is color coded for easy identification.

Unique 5L Rotary Evaporator design fills the opening between benchtop and industrial evaporators systems. Features a large bath for a 5L flask. Continuous reflux with a 3L receiving flask and a reflux valve and a bottom drain valve for the receiving flask. Motorized lift with push button control.…

CONDENSERSS, AIR REFLUX, MINUM-WARE® CONDENSERSS, WATER-JACKETED, REFLUX, MINUM-WARE® ADAPTERS, CLAISEN HEAD, MINUM-WARE®, Supplied complete with open-top screw cap (MW-102-22) and PTFE faced silicone septa (MW-104-12). HICKMAN STILL HEADS, MINUM-WARE®

Round bottom design has the return tube sealed into the bottom of the extractor for more efficient extractions. For samples of 1 liter plus approximately 200mL of extracting solvent. Extractor has a 45/50 top outer joint and a 24/40 inner joint on the uptake tube. Flask and condenser must be…

Absorption chromatography column for rapid preparative separations as described by W.C. Still, M. Kahn and A. Mitra of Columbia University in JOURNAL OF ORGANIC CHEMISTRY 43, 2923 [1978], and covered in U.S. Patent Number 4,293,422 dated October 6, 1981. Moderate resolution can be obtained with…

Laboratory scale gas scrubber for use in many air and exhaust cleanup tasks. Gas scrubbing takes place when the exhaust enters the inlet in the round bottom flask and travels upward through the absorption column. The scrubbing fluid is pumped from the round bottom flask upwards into the shower head…

Trap has an extra coarse fritted disc sealed between the lower inner and top outer joint to prevent contents of the flask from entering into the condenser in the event of bumping. All traps have a 24/40 top outer joint and the listed size of the lower inner joint.

16mm O.D. shaft is constructed using a molding process whereas the blade is molded directly onto the PTFE coated stainless steel shaft. This makes the stirrer chemically inert, easy to clean and can be used up to 280°C. The top of the shaft has 50mm of exposed 1/2" diameter stainless steel…

Heavy duty PTFE anchor made of 0.500” thick PTFE. Blade is shaped to mirror the contour of Chemglass cylindrical reactors. Designed for use with CG-2078 Chem-Stir® 10mm stirrer shaft. The blade is secured to the stirrer via a PTFE pin.  PLEASE NOTE: CG-2081-A-02 IS NOT…

High viscosity agitator, made entirely of PTFE and glass filled PTFE, provides excellent stirring at the bottom of 2L through 20L reactors, especially when heavy slurries are being mixed. Agitator attaches to stir shaft by both a compression fitting and a glass filled PTFE safety pin. Heavy…

Similar to CG-2070 but with a tooled lubricant cup at the top of the bearing to hold an increased amount of lubricant. NOTE: Not for use with CG-2078 or CG-2079 polished stirrer shafts.

Our OptiChem®; line of heating mantle controllers feature solid-state proportional voltage power control in a compact benchtop design. Controllers provide accurate manual control of heating mantles, tapes and all other resistive loads with an adjustable output range from 5 to 100% of the rated…

REACTION VESSEL LIDS, 4-NECKS, 50ML, EQUIVALENT TO METTLER EASYMAX, Reaction Vessel Lid, 4-Nk, 50mL, Compatible with Mettler Systems: (1) 14/20 SN, (1) GL-14 SN, (1) 10/18 SN and (1) 10/10 SN; Equivalent to Mettler Easymax® Part # 51161032Mettler Easymax® is a registered trademark of…

Support Stand was designed to accommodate vessels up to 10" diameter, to sit close to the support rod. Support rod is ideal for mounting stirring motors. Each of the four corners rests on a rubber cushion. The powder coated steel base measures 7.875” (200mm) W x 12.5" (316mm) deep…

Excellent heat transfer won't interfere with magnetic stirring,Holes spaced for optimum stirring of all vials,Color-anodized for durability and easy identification,Round reaction blocks are designed to fit directly on 135mm diameter, round top hot plate stirrers. Aluminum construction offers…