Chemglass

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  • Chromatography Columns

    Chemglass

    General purpose gravity eluted column having a PTFE stopcock and reinforced beaded top. Column is constructed using MEDIUM WALL TUBING. Glass wool (not supplied) is used to support column packing. Lower end of the column has a round bottom.

  • Allihn Condensers

    Chemglass

    Allihn 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.

  • Rubber Stoppers, One Hole

    Chemglass

    Similar to CG-3026 except with one hole. These stoppers are suitable for practically all general laboratory uses. Composition ensures resiliency and pliability over a long period and withstands laboratory conditions without hardening. The dimensions are in accordance with specifications established…

  • Ground Joints, Flask Length

    Chemglass

    Standard taper flask length joints, both inner and outer member. Part number CG-125-09 is used as a replacement neck for two liter Squibb style separatory funnels.

  • Neoprene Filter Adapters

    Chemglass

    Neoprene filter adapters are designed to fit between a filtering funnel and a flask. For use with Buchner funnels, Gooch crucibles, filter tubes, etc. Can be used individually or nested with adjacent sizes. Eliminates the boring of rubber stoppers and the difficulties of inserting and removing…

  • Distilling Column, Snyder

    Chemglass

    Three section Snyder column with improved design to prevent column flooding. Column has a 24/40 top outer joint and a 24/40 lower inner joint for use with CG-1308 Kuderna-Danish flask.

  • TLC Chromatography Sprayer, Improved

    Chemglass

    Sprayer provides a fine, uniform spray ideally adjusted for the development of chromatographic patterns. Spray pattern is adjustable by varying the coverage of the vent hole with the user’s thumb. Sprayer is used with low pressure air (5/PSI) or rubber pressure bulb. Sprayer consists of an…

  • Vapor Tubes, Steam Duct

    Chemglass

    Replacement Vapor tubes compatible with Buchi rotary evaporators. Thread is made for use with standard Combi-Clip. Available in the 4 listed sizes. NOT SUPPLIED WITH COMBI-CLIP.

  • Septum Stoppers, Suba-Seal®

    Chemglass

    Suba-Seal® septa are a flanged stopper with a hollow plug and sleeve extension that folds down over the neck of the vessel. In addition to the pull over sleeve, Suba-Seal® stoppers have a series of annular serrations on the plug portion of the septa. Each of these serrations depress along…

  • Polyethylene Safety Washing Bottles

    Chemglass

    Easy-to-read, break-resistant dispensing bottles include DOT, CAS numbers, National Fire Protection Association (NFPA) codes and symbols, protective equipment symbols, and target organ information. Polypropylene nozzle assemblies are leakproof and color-coded to match bottle label.

  • Reflux Condensers

    Chemglass

    Coil style reflux condenser with tightly wrapped coil providing maximum cooling. Excellent for use with high vapor pressure solvents. Condenser has a top outer standard taper joint and lower inner drip tip joint. Hose connections have an O.D. of 10mm at the middle serration.

  • Stainless Steel Lab Scoops

    Chemglass

    Scoop is designed with one pointed end and one blunt end. Design allows for digging out and handling of small amounts of material. Spatula is 6.5" OAL.

  • Oil Bath Combination Package

    Chemglass

    For your convenience we have combined our oil baths with a controller and bath oil to allow you to order all the items you need with one part number. Ordering with these packages also saves you a minimum of 10% of the purchase price of the individual components.

  • Clear Sample Vials, with Caps

    Chemglass

    Sample vials packaged in convenient LAB-PACS of 144. Made from Type 1 Borosilicate glass. Full height partitions minimize breakage. Solid PTFE Lined Caps.

  • RxnHub Syringe Pump Tubing Kits

    Chemglass

    PTFE TUBING, ETFE NUT AND ETFE FERRULE KITS FOR RXNHUB PROGRAMMABLE SYRINGE PUMPS

  • Condensers, Dewar Type

    Chemglass

    Condenser has a large opening at the top for use with dry ice/acetone or liquid nitrogen. Condenser has a lower inner drip tip joint and hose connections with an O.D. of 10mm at the middle serration. NOTE: See CG-4519 For Solvent Recovery Traps used with Rotary Evaporators.

  • Friedrichs Condensers

    Chemglass

    Condenser has a specially formed spiral inner tube providing a long vapor path, ensuring good heat transfer and anti-flooding characteristics. Condenser has a standard taper outer joint at a 15° angle to the condenser and a lower inner drip tip joint. Hose connections have an O.D. of 10mm at…

  • Vial, Collection, 4 Dram

    Chemglass

  • Bump Traps

    Chemglass

    Used between the vapor tube and evaporation flask on a rotary evaporator to prevent contents of the flask from being drawn into the condenser in the event of “bumping.” Traps have a 24/40 top outer joint and the listed size of lower inner joint.

  • Distilling Column, Vigreux

    Chemglass

    Vigreux style column with indentations that run the entire length of the column for improved vapor-liquid contact. Column length refers to the effective length, measured from the lowest to highest indent in the column. Column has a top outer and lower inner standard taper joint.

  • Distilling Column, Vacuum Jacketed

    Chemglass

    Hemple 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.

  • Distilling Receiver, Dean-Stark, Modified

    Chemglass

    This innovative and compact Dean-Stark receiver is designed for azeotropic distillations using solvents that are heavier than water. The solvent vapor travels through tube “A” to a condenser inserted in the top standard taper outer joint. Vapors are condensed and collected in the…

  • Ground Joints, Extended Drip Tube

    Chemglass

    Inner joint with a sealed on lower tube extending 6in below the grind.

  • Cold Finger Condensers

    Chemglass

    Condenser has an inner joint and a sealed lower drip tip for drop control. Hose connections have an O.D. of 10mm at the middle serration.

  • Extraction Apparatus, Soxhlet

    Chemglass

    Soxhlet type extraction apparatus used for continuous extraction of solids with a suitable solvent. Extractor uses paper or CG-1372 glass thimbles. Condenser has an enlarged uptake tube to improve condensing capacity. Complete apparatus consists of an Allihn condenser, extractor and flat bottom flask.

  • Liebig Condensers

    Chemglass

    Small scale Liebig 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.

  • Distilling Adapter

    Chemglass

    Compact and simple distilling adapter for use with Chemglass process reactors. Vapor flows upward freely and distillate is collected in to the small bowl below the joint and through the stopcock into a distilling receiver. Adapter has a lower inner joint and is available with one or two top outer…

  • Replacement Parts for Condenser, "C" Assembly

    Chemglass

    Two piece cold trap style condenser for use with rotary evaporators. Condenser has a 50mm flange on the side, a 35/20 lower ball joint, a 19/38 stopcock plug and removable hose connections using GL-14 threads.

  • Liebig Condensers

    Chemglass

    Condenser has 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.

  • Gooseneck Distilling Condensers

    Chemglass

    Unique one-piece distilling condenser is actually a 75° adapter, highly efficient coil condenser and vacuum adapter in a compact one-piece unit. Available with a choice of three sizes of condensers with uptake inner joint as listed. Top thermometer joint is a 10/30 outer for use with a 3in…

  • Rotary Evaporator Microwave Vial Adapters

    Chemglass

    PTFE adapter allows convenient connection of a Microwave vial to a Rotary Evaporator Bump Trap having a standard taper joint size. Lower portion incorporates a threaded black Acetal compression cap that is slotted to accept the flange fitting on the vial.

  • PTFE Sleeves, Fluro-Kem®

    Chemglass

    A .002in thick PTFE sleeve for standard taper joints provides a grease-free seal. Sold in packages of 3 each.

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