Description
Pear-shaped flask, 50 ml, socket NS 14,5/23 is a robust laboratory vessel fabricated from borosilicate glass 3.3 for dependable use in synthesis and sample handling. Offering a nominal volume of 50 ml and a diameter of 50 mm, the flask is equipped with a single ground joint NS 14,5/23 that provides a standardised, secure connection to condensers, dropping funnels or other glass components. Its pear-shaped profile focuses the contents toward the base, supporting efficient heating, stirring, distillation and concentration of moderate sample volumes while reducing residual losses. Produced by Rettberg, the vessel utilises the well-known chemical inertness and thermal stability of borosilicate glass 3.3, making it appropriate for a wide range of organic and inorganic laboratory procedures. The net weight of 0,033 kg allows convenient manipulation on laboratory stands or heating equipment. This flask is well suited for preparative chemistry, solvent recovery and routine analytical sample work where controlled volume and reliable joint compatibility are essential.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 1 pc
- Nominal volume: 50 ml
- Joint size: NS 14,5/23
- Material: Borosilicate glass 3.3
- Diameter: 50 mm
- Number of necks: 1
- Technical Information Sheet:
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Questions about Pear shape flask, 50 ml, socket size 14,5/23
What is this article?
Pear shape flask, 50 ml, socket size 14,5/23 is the article on this page. Luminix Health distributes Rettberg for laboratory use. It sits in Round-bottom flasks, inside Beakers & flasks, in Labware.
A round-bottom flask is the heating flask of a distillation or a reflux. The curved wall takes the heat, and the ground neck connects to a still head or a condenser. The joint size, not only the volume, has to match the rest of the set.
A beaker is an open working vessel: easy to pour, poor as a measure. An Erlenmeyer flask has a flat base and a conical wall so a liquid can be swirled without climbing out. A round-bottom flask is for heating under a condenser, because the heat meets a curved wall and the joint at the neck connects to the rest of the glassware. Borosilicate is the glass that survives the temperature change. These forms are listed under ISO laboratory glassware.
Which category should I open next?
The category is Beakers & flasks. The sub-category is Round-bottom flasks. The catalogue is Labware.
Shelves beside this one are Beakers, Erlenmeyer flasks, Reaction vessels & jacketed vessels, Flat-bottom flasks, Flasks (other) and Beaker & flask accessories.
What should I check before I order?
When this page shows a safety data sheet, use that manufacturer file. Hazard text does not belong in the sales description. For a pack size, a grade or a certificate that is not on the page, send a quote request or contact the team.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.