Glass Joints & Adapters
At Thomas Scientific, we stock an extensive range of glassware that is customizable and adaptable to suit your specific requirements. Choose between glass u-tubes, short path distillation heads, snyder columns, and much more.
High-quality glass adapters offer a smooth non-porous surface and carry additional features such as heat resistance and chemical compatibility, which makes them suitable for a range of laboratory applications. Benefit from leak-free and customizable connections with glassware pieces.
Transparent glass joints enable scientists to observe reactions and processes within the glassware to provide real-time monitoring of experiments.
Glass accessories include nmr tube cleaner to assist with keeping all glassware clean and contamination free.
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Baffles, Glass or PTFE
Ace GlassUse Ace-Thred adapters to mate glass or PTFE (stainless steel core) baffles to any standard taper joint. See 5028 & 5030 series adapters. Baffles can be adjusted vertically or rotated to increase agitation.
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Ground Joints, Outer, Medium Length
ChemglassStandard taper outer joint tooled on the same diameter tubing as the CG-104 inner joints.
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Features: Available in Square or Rectangular Shapes, with Open Bottom PTFE Joint is Offset Permitting Baffle to be Adjusted up to 1" Towards the Center of the Reactor Baffle Can Be Vertically Adjusted Inside Reactor Hollow Baffles Allow pH Electrodes to be…
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Distilling Receiver, Complete
ChemglassCow type design has three receivers 45° apart. Condensers with lower drip tip inner joints will protrude into the spherical section, permitting the distillate to fall directly into the receiving flasks. Distribution adapter has a serrated connection for attachment to vacuum source. Complete…
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Flask Head, PTFE-Clad Bottom Joint
Ace GlassInterchangeable Mini-Lab head with 45/50 bottom joint, PTFE-Clad. No grease needed, will not freeze. Top 19/38 center joint, and are 14/20 side necks are ground. See 9443-20 for head with PTFE-Clad bottom joint and polished top joints. Side arms are placed at proper angles so that the thermometer…
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Solid PTFE Joint Stoppers
Across InternationalM ade with solid PTFE for air tight vacuum work, one of the highest quality products you can find in the market.
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75° Bent Distillation Adapters
DWK Life Sciences (Kimble)Ideal for use as a stillhead adapter. With Standard Taper inner joints at each end Both joints are of the same size Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Tube Only, Distilling Receiver
ChemglassCentrifuge tube shaped receiver with an upper standard taper joint has two glass hooks 180º apart. Graduated from 0 to 2mL in 0.1mL subdivisions and from 2 to 12 or 15mL in 0.2mL.
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KF25 Flexible Premium Stainless Steel Vacuum Bellow
Across InternationalFVB-25-10 Premium flexible stainless steel vacuum bellow (3.3 feet) with KF/NW25 flange connection for high vacuum operations. Compatible with the following products by Across International AccuTemp and Elite series vacuum ovens EasyVac 9 cfm vacuum pumps, CleanVac series scroll pumps, SuperVac…
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Synthware Distilling Adapters, 105°
Kemtech AmericaSynthware distillation adapter with sealed in drip tip. Adapter is bent at 105 degrees. Standard taper top outer joint and lower inner joints.
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SYNTHWARE Peptide Synthesis Vessels, Solid Phase
Kemtech AmericaPeptide Synthesis Vessel, Solid Phase, Synthware, Capacity: Available in sizes ranging from 10-50mL, Frit Porosity: Coarse or Medium, Frit Diameter: Available in sizes ranging from 15-25mm, GL Thread: 14 or 25 available, Arm OD: 8mm, Supplied with a PTFE lined cap and straight bore PTFE stopcock…
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Adapters, Hose, Airfree®, Schlenk
ChemglassAdapters for use with manifolds such as AF-0450 through AF-0454 to permit port connection to standard rubber hose. Adapters have hooks just below the grind for use with CG-110 stainless steel springs. The 24/40 size is available with a constriction above the serrated hose connection to permit bowl…
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Adapters, Flushing, Airfree®, Schlenk
ChemglassSimilar to AF-0509 but having a top outer joint and lower inner joint of the same size. Addition of the outer joint permits use of the larger sizes of the CG-3022 septum stoppers for repeated needle penetrations. Adapter also allows for evacuation and transfer of product into another vessel with…
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Distillation Apparatus, Short Path
Ace GlassDesigned for small quantities where holdup between flask and receiver must be minimized but where it is also desired to measure vapor temperature with an accuracy compared to large setups. Improved thermometer sensitivity. Physical carry-over is practi
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PYREX® Claisen Heads
CorningThese Claisen Heads are replacement parts for the 6949M series of PYREX® microchemistry kits (Thomas No. 0320H44).
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Distilling/Splitting Adapter, Angled
ChemglassCompact and simple distilling/splitter adapter for use with Chemglass process reactors lids that have a 10° angled side neck (CG-1946-B). Vapor flows upward freely through the large vapors holes to the condenser. Distillate flow is directed using the valve to either the receiving flask or back…
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Adapter, Mini #7 Ace-Thred
Ace GlassAdapter with #7 Ace-Thred and inner or ball joint. Used for probes, thermometers, electrodes, etc.
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Joints, O-Ring Seal
ChemglassJoint has an o-ring groove to accept the listed o-ring size. Provides for a grease-free, vacuum seal when used with CG-150 clamps. Each joint is supplied with a Viton o-ring of the listed size.
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SYNTHWARE Solvent Still, Built-In Condenser
Kemtech AmericaSolvent Still, Built-In Condenser Capacity: 125mL Joints: 24/40 Threaded Side Port: 14/10
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Distilling Head
Ace GlassWith condenser jacket on side arm. Thermometer joint is 10/30 (see 8315 for thermometer listing). Side arm is at a 75 degree angle.
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Reaction Flask Head
Ace GlassConical 4" neck for use with 6475, 6476, 6477, 6479, 6480, 6481, 6491, 6492, 6497, 6498 and 9656 ACE Reaction Flasks. Supplied with three outer joints. Use 6496 Clamp for securing to flasks.
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Distillation Apparatus, Trap-to-Trap
Ace GlassUsed for the removal of solvents or other volatiles by vacuum distillation at ambient temperature. When used with Schlenk reaction Vessel, No. 7756, the trap prevents excessive loss of solution in the event of a bump. The distillate is collected in a No. 9477 pear shaped flask or other suitable…
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Complete, two-piece, plain flask with bottom outlet, pressure reactor system designed to perform low to moderate positive pressure reactions, synthesis and catalysis. Reactor capacities range from 500ml to 5000ml and use Ace-Threds to achieve a leak-tight system. Two-piece (flanged flask and head)…
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Adapter, Vacuum Take-off, Short Stem
Ace GlassOuter joint at angle of 105 degree. Hose connection opposite top joint. Stem below joint, 30mm.
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SYNTHWARE Solvent Still Head, Repurification
Kemtech AmericaSolvent Still Head, Repurification Joint: 24/40
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Synthware Distilling Adapters, 75°
Kemtech AmericaSynthware distilling adapter with top compression cap. With same size standard taper inner joints on bottom and side arm. Cap accomodates 5.0 - 7.5mm O.D. thermometer. Supplied with one Nylon cap and one Viton o-ring.
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SYNTHWARE Thermometer Adapter with Hose Connection
Kemtech AmericaThermometer Adapter, Vacuum, Microscale, Synthware, Joints: 14/10, Thermometer OD: 5.0-7.5mm, supplied with one compression cap and one Viton O-ring.
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Adapter, Thermocouple Well
Ace GlassA special well fabricated from glass that is worked to a very thin wall for better heat transfer. Fabricated in two sizes for either 25mm or 76mm immersion, length of tube being measured from the bottom of the ground joint.
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Distilling Column, Water Jacketed
ChemglassJacketed distilling column has indentations on the inner tube to support packing material. The jacket allows the column to be used as a condenser. Column has a top outer and lower inner standard taper joint. All sizes have an I.D. of approximately 10mm.
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Synthware Vacuum/Argon/Nitrogen Inlet Adapters
Kemtech AmericaAllows for flexible tubing to be connected to apparatus for introduction of vacuum or pressure.
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Straight connecting adapter with standard taper inner joints at both ends. Various lengths.
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Adapter, 75 degree Angle
Ace Glass75 degree adapter, standard taper top joint, standard taper or ball joint bottom and side.