Chemglass

Dewar style trap CONDENSERS designed for large volume solvent removal. Lower reservoir has a capacity of either 500 or 1000mL, with a 4mm PTFE stopcock. Serrated hose connections are 12mm at the smallest serration and 14mm at the largest serration. Optional UHMW Lid prevents evaporation of dry...

Features: Offers a Clean and Safe Alternative for Heating NMR Tubes in Oil Baths. Eliminates Hassle of removing Oil Residue from Outside of the NMR Tubes.  Aluminum Construction Offers Excellent Heat Transfer. Ideal for Performing Kinetics Studies Where you run a standard reaction in NMR...

Double bank manifold available in 3, 4 or 5 port configuration. Forward facing 0-8mm Chem-Vac™ Chem-Cap® valves permit easy operation of manifold inside of a fume hood. Main ports are spaced 100mm center to center with an additional 2 ports on the upper bank that can be used for gauging or...

Replacement vessel is supplied with black phenolic, rubber lined caps for the 18mm side arms, polypropylene caps and pouring rings for the GL-32 and GL-45 side arms.

Soft sponge foam brush cleans glassware without absorbing water. Foam bristles never become soggy or limp. Will also not scratch or chip fragile glass items. Also will last up to 10 times longer than normal nylon brushes and up to 20 times longer than sponges.

Buchner style filter funnel having a lower standard taper inner joint and serrated tubulation for connection to a vacuum source. Disc diameters and height above the disc are the same as CG-1402. Improved design incorporates a delivery stem being sealed within the inner joint to prevent breakage....

Replacement components for 1:5 taper PTFE plugs. O-rings are Viton, nuts are green, and washers are white.

Chemglass Clear Glass Vial, 0.75mL, is designed for secure storage and transport of small sample volumes. These vials are made from durable glass, ensuring sample integrity during storage. The clarity of the glass allows for easy observation of the contents. Suitable for use in analytical...

Similar to CG-1864, but with the addition of a lower standard taper inner joint to allow collection into a vessel having a 24/40 outer joint. Available with MEDIUM or COARSE porosity fritted glass resin support. A serrated hose connection is sealed on the inner joint for connection to a vacuum...

Precision ground OD tubing for use with PTFE ferrule Swagelok® fittings.

Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a standard stir bar. Large permanent white letters make the capacity clearly visible. Flasks are calibrated "To Contain" at Class A tolerances, per ASTM E288...

This unique disposable filter funnel system for solid-liquid separation can be used in chemistry and biological laboratories. The system consists of a polypropylene filter funnel with diatomaceous earth/polyethylene fritted disc, a CG-1049-J style glass vacuum adapter, and a flask or vial. The...

Bubbler has an adjustable inner tube with a #9 Chem-Thread. Taper at bottom of reservoir allows for use of a minimal amount of oil. Complete bubbler consists of the lower reservoir, adjustable inner tube, compression cap and Viton o-ring.

Packaged in a clear PETG tray complete with a slide or lift off dust cover. Vials are separated by a SBS partition to eliminate glass to glass contact. Caps are supplied complete in the package, not attached. Entire package is recyclable. Vials are made from 33 expansion borosilicate glass which...

These caps, made of polypropylene, are ideal for use with volatile solvents, sensitive compounds, and biological media. The SURE-LINK process welds each cap with a Polypropylene/PTFE/Silicone liner bonded to the cap. This process allows the cap to maintain seal through multiple autoclaving...

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...

Reflux condenser similar to CG-1213 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 with two GL-14...

Bushing style adapter having a lower standard taper inner joint and outer joint ground in the bore of the adapter. Adapters having a 10/18 or 10/30 outer member in the bore are used to insert thermometers into apparatus. Similar to CG-1016, but made entirely of PTFE.

Trap is designed for large volume solvent vapor removal during rotary evaporation. Trap is placed between the vacuum source and the rotary evaporator to prevent solvent vapors from entering the vacuum pump. PLASTIC COATED to contain solvent in case of breakage and supplied complete with a...

DROPPER BOTTLE, NATURAL, 3ML 3 mL (0.1 oz.) LDPE plastic bottle Purchase components separately

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...

Used to regulate the flow of gases or liquids into reaction systems. Stopcock has a bore of 2mm. Hose connection has an O.D. of 8mm at the middle serration with the exception of CG-1030-45 which has an O.D. of 14mm.

Five neck vessel lid to fit CG-1920 through CG-1936 vessels. Two side necks are vertical and two necks have a 10°; degree angle. Angled side neck is designed for use with CG-1235/CG-1235-B series angled distillation adapters. Lid has a flat ground surface allowing it to be greased or used with...

Designed for use in temperature controlled chemical and biological reactions. Bottom interior surface is conical in shape to help eliminate spinout when used with CG-2005 egg shaped spinbars. Hose connections have an O.D. of 10mm at the largest serration.