Description
Rotilabo® round bottom flask, 500 ml is a borosilicate glass round flask with standard ground joint NS 29/32 for larger preparative volumes in the laboratory. The 500 ml capacity supports scale-up of reactions, solvent distillations, extractions and batch work where more headspace and working volume are needed than with 100 ml or 250 ml flasks, while remaining compatible with common heating mantles and stands. The NS 29/32 joint connects directly to standard condensers, adapters, stoppers and other ground-glass fittings used across organic and general chemistry setups. Packs contain 10 pc(s), which suits multi-user laboratories, campaign work and glassware stores that keep several identical 500 ml vessels on hand. These flasks are supplied from manufacturer ROTH SELECTION in the Rotilabo® laboratory glass assortment. Pack weight is 1,500 kg. Positioned in the category of round flasks and flasks with ground glass joints, the product helps laboratories maintain a consistent NS 29/32 joint system from smaller to larger volumes. Capacity and joint size are stated clearly for straightforward catalogue selection and restocking.
This article is part of Round-bottom flasks, in Beakers & flasks. See also Flat-bottom flasks.
Key features
- Pack size: 10 pc(s)
- Brand: Rotilabo®
- Product type: Round bottom flask
- Capacity: 500 ml
- Material: Borosilicate glass
- Ground joint: NS 29/32
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Questions about Rotilabo®-round bottom flask, 500 ml, borosilicate glass, NS 29/32, 10 unit(s)
What is this article?
Rotilabo®-round bottom flask, 500 ml, borosilicate glass, NS 29/32, 10 unit(s) is the article on this page. Luminix Health distributes Carl Roth 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?
The technical information on this page is the manufacturer's sheet. Read that, not a rewritten specification.
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.
How does ordering and shipping work?
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.
Which other categories should I open?
The seven catalogues are Labware, Lab chemicals, Lab instruments, Lab consumables, Chromatography equipment, Lab safety equipment and Life Science & Microbiology.

