Flat-Bottomed Flasks 250ml
Product Code : SCL-CL-11508
Flat-Bottomed Flasks 250ml (SKU SCL-CL-11508) are 250 ml transparent glass flasks with a spherical body, a flat base and a long neck. The larger volume makes them a general-purpose vessel for boiling water, preparing reagent solutions and culture media, and running gas-generation experiments on school and college benches. Science Lab Supplies includes them in the laboratory glassware it dispatches from Ambala, India, for teaching laboratories, technical institutes, tender contractors and resellers.
Specifications
The rows below separate each feature of this flask. In short, it has a 250 ml spherical body with a flat bottom and a long mouth (neck), in transparent glass that is chemical resistant and heat resistant; the flat base lets the filled flask stand on the bench or on gauze, and the neck takes a stopper or cotton plug.
| Specification | Value |
|---|---|
| SKU | SCL-CL-11508 |
| Also known as | Flat-bottom flask, Florence flask |
| Type | Pot (spherical flask) |
| Capacity | 250 ml |
| Body | Spherical |
| Bottom | Flat |
| Mouth | Long mouth (neck) |
| Material | Glass |
| Colour | Transparent |
| Chemical resistance | Chemical resistant |
| Heat resistance | Heat resistant |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Flat-Bottomed Flask 250 ml
The 250 ml flat-bottomed flask handles medium volumes that need heating or mixing without a clamp. It suits NCERT Class 9–10 science, Class 11–12 chemistry, B.Sc. microbiology media preparation, and technician courses in which students make up and store laboratory solutions.
- Class 9–10 science: boiling water and generating gases with a stopper and delivery tube.
- Class 11–12 chemistry: dissolving solids and heating solutions before filtration.
- B.Sc. microbiology: preparing broth or agar, with the water measured in a Measuring Cylinder 250ml, before sterilisation under a cotton plug.
- Laboratory technician courses: making up stock solutions and transferring portions to a Glass Bottle, for Liquid Reagents for storage.
Leave the neck open or loosely plugged whenever the flask is heated, and allow hot liquids to cool before handling the flask by the neck.
Standard Scope of Supply
The Flat-Bottomed Flasks 250ml is supplied as one transparent glass flask with a spherical body, flat bottom and long neck. Stoppers, plugs, funnels and stands are separate items that can be listed on the same quotation when you include them in the enquiry.
Packing, MOQ and Lead Time
Pricing can be prepared for a single flask or a complete laboratory quantity, and the quotation states packing, delivery time and price for the number you request. Related flasks, funnels and stoppers can be priced together so one document covers the order.
With exporter registration and an Importer-Exporter Code, Science Lab Supplies can ship to buyers in Ghana, Ethiopia, Tanzania, Uganda, the UAE and Saudi Arabia. Science Lab Supplies is registered for GST (GSTIN 06ADEPJ0574F2ZU). Flask numbers for one lab or several can be sent on the contact page, combined with funnels and stoppers in the enquiry cart, or set against a tender via the lab tender page.
Frequently Asked Questions
What is a 250 ml flat-bottomed flask used for?
It is used to boil and mix medium volumes of liquid, prepare reagent solutions or culture media, and act as the generator vessel in gas-preparation experiments.
How does it differ from the 100 ml size?
The shape is the same, with a spherical body, flat base and long neck; this flask holds 250 ml, which suits larger volumes of solution or medium.
Can it be used to prepare culture media?
Yes. Medium can be dissolved in the flask, closed with a cotton plug and sterilised according to your laboratory routine, since the glass is heat resistant and chemical resistant.
Who supplies the Flat-Bottomed Flasks 250ml?
Science Lab Supplies in Ambala, India, puts this flask on quotations for a single laboratory or a multi-school tender, and can add the matching stoppers, funnels and stirring rods.
Related Flasks and Solution Glassware
The 250 ml flat-bottomed flask works alongside other flask shapes, a funnel for filtering or filling, and a rod for stirring. These items complement it for heating, distillation, culture and solution work, and listing them together keeps the purchase on one quotation.
- Flat-Bottomed Flasks 100ml — 100 ml flat-base flask with a spherical body and long mouth.
- Round Bottom Jars (Spherical Balloons) 250ml — 250 ml round-bottom flask with the same long neck.
- Distillation Pot with Side Funnel 250ml — 250 ml narrow-mouth borosilicate flask with a side pipe.
- Glass Funnel — 75 mm clear glass funnel with a short tail.
- Borosilicate Flat Bottom Flask — borosilicate flat-base flask for mixing, holding and suitable heating.
- Baffled Culture Flask — borosilicate flask with four baffles, suitable for repeated autoclave cycles at 121 °C.
- Glass Stirrer (Agitator) — glass rod 200–350 mm long and 7 mm in diameter.
Browse the full Chemistry Lab range, the Laboratory Flasks range, or all school lab equipment.
Last updated: 9 October 2026
