Description
Pear-shaped flask with standard ground joint, without stopper, fabricated from Boro 3.3 glass with white inscription according to DIN 12383. The flask provides a nominal volume of 250 ml and carries a female ground joint NS 14/23 for secure coupling to compatible laboratory glassware. Its pear geometry gathers liquid toward the bottom, supporting efficient concentration steps, rotary-evaporator work and recovery of intermediate volumes. Delivered without a stopper, the open joint can be fitted with the stopper, adapter or condenser chosen for the specific method. Boro 3.3 glass delivers the chemical durability and thermal stability required for everyday synthesis, extraction and analytical preparation. White inscription remains legible under typical laboratory lighting for straightforward inventory control. Offered in packs of 10 pieces from manufacturer Hecht, these vessels integrate into standard European joint assemblies and are well suited to preparative organic chemistry, teaching labs and general wet-chemistry applications that call for a 250 ml pear flask with NS 14/23.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Volume: 250 ml
- Ground joint: NS 14/23
- Material: Boro 3.3
- Inscription: White
- Standard: DIN 12383
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Questions about Flasks, boiling, pear shape with socket, DIN 12383, Boro 3.3, printing white,
What is this article?
Flasks, boiling, pear shape with socket, DIN 12383, Boro 3.3, printing white, is the article on this page. Luminix Health distributes Hecht for laboratory use. It sits in Ballons à fond rond, inside Béchers & fioles, in Matériel de laboratoire.
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 Béchers & fioles. The sub-category is Ballons à fond rond. The catalogue is Matériel de laboratoire.
Shelves beside this one are Béchers, Fioles Erlenmeyer, Récipients de réaction & récipients à double enveloppe, Fioles à fond plat, Fioles (autres) and Accessoires pour béchers & fioles.
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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Luminix Health distributes this article from the heart of Europe. Articles in stock ship within 2–5 business days. Standard delivery is free from €250 excl. VAT. Cold-chain goods and dangerous goods under ADR are never included in that free delivery. The terms are in the Shipping Policy. The full brand index is on shop by brand. Who we are is on about us.
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The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.