Specialty Flasks

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

Round bottom storage flask with a standard taper outer joint on the sidearm. The 50, 100 and 250mL sizes have a 0-4mm Chem-Vac™ Chem-Cap® valve while the 500 and 1000mL sizes have a 0-8mm valve size.

Flat bottom, three neck flask can sit on stirrer hot plate with no further support. 250ml and 500ml sizes feature angled side necks while the 1000ml size necks are vertical.

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

Round bottom flask with a 0-4mm Hi-Vac valve top with a 9mm side port designed to accept 3/8in Cajon fittings. The valved top gives the researcher precise flow control.

Round bottom, HEAVY WALL three neck flask with standard taper outer joints on the center and side necks. Indentations increase agitation of the contents of the flask during stirring. Please Note: Morton Style Reactors/Flasks Not Suitable For Vacuum.

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

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.

High quality glass drain port with PTFE open/close valve for Ai 3L, 5L, 10L, 20L receiving flasks. Glass material: high borosilicate glass 3.3

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 flat flange. Use LG-7316 clamps. NOTE: LG-8087 is designed to be used with LG-8080, LG-8084, LG-8085, and LG-8089 cylindrical reaction vessels.

These borosilicate glass 4-neck reaction vessel lids/covers have a contact surface that is finely ground to provide a tight seal. Featuring a flat flange, these pressed lids have a center neck and three side necks with outer Standard Taper joints. Use LG-7316 clamps. NOTE: LG-8081 for use with...

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.

Round bottom 2-neck flask having standard taper outer joints, both being of the same size. 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. Side neck can be fitted with a CG-3022 septum...

SYNTHWARE modified Schlenk flask with a standard taper outer joint and 2mm bore glass stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

Iodine flask with size 22 stopper Size 22 PTFE standard taper stopper is included A durable matte-finish ceramic enamel marking spot takes writing and erases easily Designed from ASTM Specification E1404, Type II, Class 3 requirements

Rugged cylindrical flask with neck opening of 4". Uses 6496 Clamp for securing flask head to flask. For use with 6478 heating mantles.

Round bottom pressure flask, with either #15 or #25 PTFE plug seal top opening. This style also has a side thermowell port to facilitate a thermometer or a temperature probe to measure flask temperature without losing the pressure integrity of the vess

SYNTHWARE cylindrical reaction tube with standard taper outer joint and 2mm bore glass stopcock sidearm. Useful for sample storage and simple reactions. The stopcock has a constant pressure retention device.

Ai heavy wall Buchner funnel with course frit, allowing you for vacuum filtering and separating solids from liquids.

Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C. From Ace Glass, comes a round-bottomed boiling flask, designed with meticulous precision for optimal performance in laboratory settings. Constructed from high-quality PTFE, this single neck flask offers outstanding...

Cylindrical, heavy wall reaction flask with extra thick flat, ground flange. Without constriction at top to facilitate introduction/removal of material and allow for ease of cleaning. Available in 1L to 4L capacities, flat bottom and round bottom, with

Rugged spherical reaction flask with Duran, flat, ground flange with O-Ring groove, for use with 6517 Quick Release Clamp but with indents for greater agitation. Each flask is supplied with one CAPFE O-Ring (PTFE encapsulated silicone O-Ring). Plain silicone O-Rings are also available. For reaction...

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

This Hickman Still Head is a replacement part for the 6949M series of PYREX® microchemistry kits. The PYREX Hickman Still Head from Corning is crafted from high-quality borosilicate glass to ensure durability and chemical resistance. This component is essential for effective separation of liquids...