These borosilicate glass cylindrical reaction vessels are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. There is a gently sloping contour at junction of side wall and bottom, thus preventing…

Complete reaction assembly available in 12L, 22L, 50L and 72L spherical flask capacities. Unit is complete with heating mantle and controls, mechanical stirrer and controls, pressure equalizing funnel and pilot plant condenser.

Kohlrausch, Class A Borosilicate glass Calibrated to contain 20°C Mouth enlarged for easier introduction of sample Meet NBS requirements

1L or 2L jacketed general purpose bench top reactor system supplied complete with everything necessary for operation. The system is designed so that all wetted surfaces are glass and PTFE for maximum chemical compatibility. A small overall stand footprint and flexible drive shaft combination allow…

Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center and side necks. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid.

These borosilicate glass cylindrical reaction vessels have a tooled flat flange with an O-ring groove for a greaseless seal. Suitable for vacuum operation. Wall thickness is uniform throughout flask. Note: Use LG-7316 clamps.

Blanks for fabrication of single or multi-neck flat bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.

Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and vertical side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.

Borosilicate glass, round bottom reaction vessel. Supplied with 24/40 center neck and two 24/40 side necks. Fourth neck is #25 Ace-Thred on 500 mL for use with 7506-10 Bushing and O-Ring; #36 Ace-Thred on 1000 mL and 2000 mL sizes for use with 7506-12 Bushing and O-Ring to make a leak-tight…

Round bottom storage flask which can maintain dry, grease-free and deoxygenated solvent storage for long periods of time. Unique design permits filling of the flask using a 24/40 inlet off of a vacuum line and recovery of the solvent via a cannula or syringe through the valve body.

These jacketed, cylindrical borosilicate glass reaction vessels have four indentations for improved stirring. They are without constriction at the top and have a flat bottom. They feature sturdy walls and a tooled flat flange with a surface ground to assure a tight seal. Jacket has 1/2" hose…

Pressure Vessel, Heavy Wall, Cylindrical, Synthware, Capacity: 15-120mL available, GL Thread Size: 15, Vessel has an internal thread for use with PTFE bushing, O-ring is positioned above the thread for inproved sealing.

Featuring a center neck and two side necks with full length outer Standard Taper joints that are 180° apart, these borosilicate glass reaction vessel lids have a conical flange. The bottom part of lid is finely ground for a leak-proof fit with flask. LG-8030 is used on cylindrical or…

Round bottom flask with single neck with standard taper joint and a 8mm side outlet with either a 2mm glass stopcock or a 0-3 inlet valve. Ideal for Schlenk lines and either NO-AIR or vacuum applications. Includes one 9096-32 septa for side arm.

Used for converting a single neck round bottom flask to air-free or vacuum applications. Outlet can be either 2mm glass stopcock or a 0-3 inlet valve. Upper and lower joint sizes are the same size. Great for adapting flasks and other components for Schlenk lines.

Round bottom, heavy wall, pressure rated flask. All flasks come complete with a solid PTFE plug seal with front seal FETFE o-ring for better containment of product. Vessels are tested at 1.5x for a working pressure rating at 60PSI at 120°C. Flasks

Overflow measuring flasks are a simple and very precise way to conform to fixed volume instructions. They are available in different sizes for different measuring ranges with the respective sample volumes.

Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a 6-5/8" flange O.D. and comes with a size 359 O-ring. Designed to be used with 2000mL, 3000mL, and 4000mL cylindrical reaction vessels…

European style flask with tapered walls and a shallow hemispherical bottom for more efficient mechanical or magnetic stirring. Entire body of the flask is jacketed and has two hose connections for circulation of heating or cooling liquid. With standard taper outer joints on center and side necks.

Round bottom flask with three in-line necks. Fabricated with heavy walls, approximately 30% heavier than regular wall flasks. Jacket inlet/outlets are available with either tangentially sealed 28/15 o-ring ball joints or with #11 Ace-Thred connections

Round bottom, HEAVY WALL, three-neck flask with standard taper outer joints on the center neck and vertical side necks. Lower half of the flask is jacketed with two hose connections for circulation of heating or cooling liquid.

Round bottom, HEAVY WALL, four neck flask with standard taper outer joints on the center and vertical side necks.

Heavy wall recovery flasks are ideal for use with rotary evaporators. Flasks feature a square bead and a single neck with ground glass 24/40 joint. Opening at top is designed for easy recovery of reaction products using a spatula. Flask bottom fits standard heating mantles.

Round bottom single neck flask having a standard taper outer joint. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap® Airfree® inlet valve.

Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center neck and 20º angled side necks. Flasks with 29/26 center necks have a groove tooled just below the grind to aid in clamping of the flask.

Peptide Synthesis Vessel, Solid Phase, Synthware, Capacity: 25-500mL Available, Disc Porosity: Medium or Coarse available, Frit OD: 25-80mm available, Thread Size: 25 and 32 available, Joint Size: 24/40 Inner with drip tip, Hose Connection: 8mm, Supplied with PTFE-lined screw cap and T-bore PTFE…

Pear-shaped, single neck, heavy duty flask. Available with ground, polished and cap-seal joints. The cap-seal flasks are used in the Ace microscale chemistry product line and feature a 14/10 ground joint with external threads. Supplied with a holed cap

Used to connect two pieces of glass with flat flanges of the same diameter, these stainless steel horseshoe-shaped clamps are uniquely designed. Adjustable tension springs that secure even pressure over the flange area, may be slid on or off easily - thus facilitating assembly and disassembly of…

This is a 1L PYREX® replacement flask with a 29/42 outer Standard Taper joint for the No. 3840-XL 1L extractor system. The tubulation O.D. on the condenser is 10mm.

These corrosion- and leach-resistant flasks are excellent for rotary evaporation and distillation of high-purity chemicals. They are manufactured from PFA (a perfluoroalkoxy polymer) for excellent resistance to heat and chemical contamination, as well as smooth surfaces that greatly simplify…