Single Neck Round Flasks (24/40) Made of Borosilicate

Single Neck Round Flasks 24/40 from Viking Glassworx combine a round-bottom vessel shape with a standard ground-glass connection for compatible laboratory assemblies. This multi-size listing currently includes 100 mL, 250 mL, 500 mL, and 1 L options, allowing the vessel volume to be selected according to the scale of the procedure.

Each size uses a single 24/40 joint for connection to matching condensers, adapters, receivers, stoppers, and other laboratory components. The shared joint format can simplify equipment selection across the available capacities, but every component should still be checked for proper taper size and fit before assembly.

These borosilicate laboratory flasks are suited to compatible heating, mixing, reaction, reflux, and distillation configurations. Their round-bottom geometry supports heat distribution when used with appropriate equipment. Borosilicate glass offers useful thermal properties and resistance to many chemicals, while actual suitability depends on the material, temperature, pressure conditions, fill volume, heating method, and procedure.

Inspect Single Neck Round Flasks 24/40 before use for chips, cracks, deep scratches, impact damage, and defects around the ground joint. Damaged glassware should not be heated or operated under reduced pressure. Use suitable flask holders, heating mantles, clamps, and stands where appropriate, and support connected apparatus to avoid excessive leverage on the neck.

Select Single Neck Round Flasks 24/40 by the working volume your setup requires rather than simply choosing the largest vessel. Browse other shapes, capacities, and joint configurations in our Borosilicate Flasks collection.