Chemglass
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Four Way PTFE Plug Stopcocks
ChemglassA 1:5 taper PTFE plug having double "V", 90º bores to connect opposite sets of adjacent arms. Configuration of stopcock allows it to be used in a system to obtain reversal of flow.
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Complete Vacuum Traps
ChemglassTwo piece vacuum trap connected with an inner and outer joint to facilitate cleaning.
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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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Angled Stirrer Blades
ChemglassAgitators 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…
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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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Unbreakable Dewar flask is made entirely of Stainless Steel. Dewar flask has many flexible laboratory applications including cooling of small samples and as an insulating flask. Furthermore, it can be used for storage & transport of liquid nitrogen LN2, dry ice CO2, and…
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Preassembled GPI 13-425 Septa Caps
ChemglassPre-assembled closure and septa minimize contamination from handling.
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Non-mercury Immersion Thermometers
ChemglassLaboratory grade thermometer is mineral spirit filled to eliminate workplace and environmental hazards associated with mercury. Thermometer has a white back, 6-7mm outer diameter and a standard taper 7/12 inner ground joint. All ranges have a 2° subdivisions. Immersion is measured from…
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Banana Shape PTFE Stirrer Blades
ChemglassBlade 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.
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Quartz Ground and Polished Discs
ChemglassCommercial quality ground and polished clear fused quartz discs. Edges have a ground finished on all sizes.
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Main vacuum line with 4ea 24/40 inner ports (A) having a unique configuration of 0-4mm Chem-Vac Chem-Cap®; valves. The valves are sealed to either the vacuum or inert gas side of the manifold and then bent to a 90º angle, forming a strong but very compact assembly. This configuration…
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Amber Autosampler HPLC Vials, 2.0mL
ChemglassStandard opening screw thread vials contain a narrow opening allowing the use of GPI 8-425 closures and septa. This vial is designed to work in a variety of auto samplers requiring narrow neck vials. Available with graduated marking spots and silanized.
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High Vacuum T-Bore Stopcocks
ChemglassSolid glass high vacuum stopcock with the NEW Chemglass improved constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip. The spring keeps constant tension on the plug at all…
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Adapters, Vacuum Filtration
ChemglassChemistry filter adapter is used for reduced pressure filtration with plain stem buchner funnels. Top has a HEAVY DUTY tooled flare to accept the listed size pluro stopper. Hose connection is 10mm OD at the largest serration. ADAPTER IS NOT SUPPLIED WITH RUBBER PLURO STOPPER. CG-1052-A-14 Accepts…
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Adapter, Multiport, PTFE
Chemglass45/50 Glass filled PTFE adapter has center port 3/4" female NPT and six side ports 1/4" female NPT. Adapter permits addition of liquids, monitoring of gases, insertion of glass baffles, infrared probes etc. The complete adapter consists of a PTFE standard taper body, Nylon loosening nut,…
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Quartz to Borosilicate Graded Seals
ChemglassGraded seals have 3 inches of quartz sealed to 4 inches of borosilicate.
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10/30 Joint Non-Mercury Thermometers
ChemglassThermometer is mineral spirit filled to eliminate workplace and environmental hazards associated with mercury. Thermometer has a white back, a 6 to 7mm outer diameter, and a standard taper 10/30 inner ground joint. All ranges have 1º subdivisions. Immersion is measured from the bottom…
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Joint Caps with Holes, Rodaviss®
ChemglassThreaded cap fits CG-172 outer joint, Rodaviss®. When used with CG-305 Viton o-rings, provides for greaseless high vacuum seal.
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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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Unique glass baffle system for process reactors from 2L to 50L. Designed to increase agitation in the reactor and mimic baffles found in larger glass lined reactors. All baffles have 3/4" precision ground top and lower tubing for use with compression fittings and top jointed adapter. …
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Reactor Support Frame
ChemglassFeatures: Oversized Rugged 1" S.S. Pipe (1.315" OD) Uprights and Heavy Duty PTFE Coated Aluminum Fittings Provide Maximum Strength and Chemical Durability. All S.S. Uprights are Passivated to Inhibit Corrosion. Improved Support Clamp Auto-Centers Reactor and Lid,…
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Allihn Condensers
ChemglassAllihn 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.
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Chem-Vac™ Glass Portion Only 90° Valves
ChemglassCHEM-VAC™ valve glass portion only. Valve has two sidearms sealed to the barrel at a 90º angle to one another. Heavy duty rounded coarse thread and precision formed tapered seat. Dimensions as listed. PLEASE NOTE: THE 0-20mm BORE SIZE IS OUR PREVIOUS STYLE CG-500 SERIES VALVE…
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Graduated Bio Reactor Vessels
ChemglassVessel has four vertical GL-45 threaded side necks and a 100mm threaded center neck. The 3 and 6 liter vessels are low profile to maximize incubator space. Supplied complete with (4) solid GL-45 caps and (4) pouring rings.
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Our unjacketed filter glass reactors can be used for single or multi-step reactions and filtrations in the same vessel, production and process scale peptide synthesis. Filter base eliminates material transfers and significantly reduces losses. Complete reactor system on our NEW open air, autocenter…
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Agitator, PTFE, Four-Blades
ChemglassAgitators 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…
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Similar to CG-1930, but with morton indentations to increase agitation during stirring. Supplied complete with two polypropylene hose connections and two screw caps. For clamp see CG-141 or CG-141-T. For o-ring see CG-147. Please Note: Morton Style Reactors/Flasks Not Suitable For Vacuum
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Distilling Column, Vacuum Jacketed
ChemglassHemple style distilling column, vacuum jacketed to improve performance. Indentations on the inner tube support the packing material. All sizes have an I.D. of approximately 10mm.
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Beakers, PTFE, Low Form
ChemglassChemically inert PTFE beakers can withstand temperatures up to 260°C.
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Digital Magnetic Hot Plate Stirrers
ChemglassChemglass 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…
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Bubbler, Double, Airfree®, Schlenk
ChemglassSimilar in design to AF-0513 but with two oil reservoirs. Bubbler is approx 125mm W x 135mm H. Hose connections are 9mm OD at the middle serration.