Round Bottom Flask, Wide Neck
Product Code : LSK-LF-10429
Round Bottom Flask, Wide Neck (SKU LSK-LF-10429) is a spherical glass flask with a broad 50 mm neck and a beaded rim, used in laboratories for mixing, heating and boiling chemicals. The wide mouth suits work where solids must be added or a thermometer passed through a stopper. The flask is available from Science Lab Supplies in Ambala, India, which quotes it for school and college laboratories, training institutes, contractors and distributors as a laboratory glassware supplier in India.
Specifications
Each stated dimension of this wide-neck round bottom flask has its own row in the table below. In short, it pairs a 105 mm spherical body with a 50 mm neck finished with a beaded rim and stands 168 mm tall. The round body spreads heat over its whole surface, which is why the shape is chosen for boiling and prolonged heating.
| Specification | Value |
|---|---|
| SKU | LSK-LF-10429 |
| Shape | Round (spherical) bottom |
| Body diameter | 105 mm |
| Height | 168 mm |
| Neck type | Wide neck |
| Neck size | 50 mm |
| Rim | Beaded rim |
| Application | Mixing, heating and boiling of chemicals |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Wide Neck Round Bottom Flask
A round bottom flask is the standard vessel for heating liquids evenly, and the wide neck makes it easier to add solids, fit a bored stopper with a thermometer and clean the inside after a reaction. It suits senior-school chemistry practicals, B.Sc. chemistry laboratories and pharmacy or polytechnic labs where solutions are heated and boiled.
- Class 11–12 chemistry: heating and boiling solutions in preparation experiments, with the flask held by a Three Prong Glassware Holding Clamp.
- B.Sc. chemistry practicals: warming reaction mixtures on a heating mantle or water bath, the clamp mounted on a Laboratory Retort Stand.
- Dissolving solids and mixing reagents where a wide opening makes charging easier; a thermometer can be passed through one of the Rubber Stoppers of Various Diameters with Holes.
The rounded base cannot stand alone, so hold the flask in a clamp or on a cork ring, heat gradually and add anti-bumping granules before boiling.
Standard Scope of Supply
The Round Bottom Flask, Wide Neck is supplied as a single glass flask with the 105 mm body, 168 mm height and 50 mm beaded neck described above. Clamps, cork rings, stoppers and heating equipment are separate items, and any of them can be added to the quotation if your laboratory needs them.
Packing, MOQ and Lead Time
Quotations can be prepared for a single flask or for a full chemistry laboratory glassware order, and each one sets out the packing, delivery time and price for the quantity you request. Other flasks and glassware can be added to the same quotation when you are equipping a whole bench.
Holding an Importer-Exporter Code as a registered exporter, Science Lab Supplies can ship to buyers in Kenya, Ghana, Ethiopia, Tanzania, Uganda and the UAE. For a price on this flask, place it in the enquiry cart, send your glassware list through the contact page, or turn to the lab tender page when the purchase is a formal bid.
Frequently Asked Questions
What is a wide neck round bottom flask used for?
It is used for mixing, heating and boiling chemicals. The broad neck lets you add solids, insert a thermometer and clean the flask easily, while the round body distributes heat evenly during heating.
What are the dimensions of this flask?
The flask measures 105 mm across the body and 168 mm in height, with a 50 mm neck finished with a beaded rim. For any further detail your tender needs, ask through the contact page before ordering.
Who supplies the Round Bottom Flask, Wide Neck?
The flask comes from Science Lab Supplies of Ambala, Haryana, India. Its team prepares quotations for schools, colleges, laboratories, contractors and distributors, whether the order is one flask or a complete glassware list for a new chemistry room.
Can it be quoted with other flasks for a tender?
Yes. Send the full glassware list with quantities and the delivery location, and the flask will be quoted item-wise with the other laboratory flasks and glassware on one quotation.
Related Flasks and Glassware
These flasks from the Laboratory Flasks, Lab Glassware and Chemistry Lab ranges cover narrow-neck heating, distillation, semi-micro work, titration and flat-based handling, so a chemistry lab can place its whole flask requirement on one quotation alongside the wide-neck round bottom flask.
- Round Bottom Flask, Narrow Neck — borosilicate glass, 166 mm base diameter and 260 mm tall, with a rimmed narrow neck.
- Distillation Flask — side-arm flask offered in 100, 125, 250 and 500 mL sizes for separating liquid mixtures.
- Flask Pear Shape Single Neck — borosilicate flask for semi-micro distillation, 25 to 200 mL with 14/20 or 24/40 sockets.
- Flask Pear shape with Two Neck — borosilicate flask with a side neck set at 25° and a 14/23 centre neck.
- Conical Flask — ground-joint flask with a hollow glass stopper, from 100 mL up to 2000 mL.
- Borosilicate Flat Bottom Flask — flat base lets it stand upright on a level bench without a support ring.
- Round Bottom Pots (Spherical Flasks) — 500 ml transparent glass flask with a long mouth, heat and chemical resistant.
Browse the full Laboratory Flasks range, the Lab Glassware range or all school lab equipment.
Last updated: 9 October 2026
