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StonyLab Borosilicate Glass 3 Neck Round Bottom Flask RBF, with 24/40 Center and Side Standard Taper Outer Joint 50ml
BDT 4291
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Constructed from high borosilicate 3.3 glass with excellent transparency, resistance to acids, alkalis, and high temperatures, ensuring long-term stability.
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Product Details
- Commonly used for heating, mixing, distillation, reflux, and storage in chemical laboratories
- Features three necks for simultaneous use of thermometers, condensers, and other lab glassware, making it suitable for complex experimental setups
- Constructed from high borosilicate 3.3 glass with excellent transparency, resistance to acids, alkalis, and high temperatures, ensuring long-term stability
- 3 Angled Neck; 50ml capacity; 24/40 Center Joint in the central and double sides
| Brand Name | stonylab |
| Manufacturer | StonyLab Scientific |
| Model Number | US-RBF-3Neck-Glass-50ml |
| Part Number | US-RBF-3Neck-Glass-50ml |
| Capacity | 50 Milliliters |
| Material Type | Glass |
| Bottom Shape | Round |
| Material | Glass |
| Brand | stonylab |
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
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Chemistry Students
Ideal for students conducting experiments requiring a durable and versatile flask for mixing and heating samples.
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Laboratory Technicians
Perfect for technicians needing reliable glassware for chemical reactions, synthesis, or distillation processes.
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Research Facilities
Suitable for research labs requiring quality glassware for advanced experimental setups and precise measurements.
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Home Users
Not suitable for casual home users due to specialized design and materials best left to professional settings.
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Non-Scientific Uses
Users seeking general storage solutions may find this flask overly complex and unnecessarily specialized.
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Small Scale Projects
Inefficient for small DIY projects where simpler, smaller containers would suffice without the need for durability.
Product Description
Customer Questions & Answers
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Question:
What is the purpose of a StonyLab Glass 3 Neck Round Bottom Flask?
Answer: The StonyLab Glass 3 Neck Round Bottom Flask is primarily used for various laboratory applications, including distillation, mixing, and chemical reactions. Its unique three-neck design allows for simultaneous attachment of multiple instruments, such as thermometers, condensers, or gas inlets. This is particularly useful in complex experiments where temperature monitoring and gaseous reactions are essential, like in organic synthesis or vacuum distillations. -
Question:
What materials are used in the StonyLab Glass 3 Neck Round Bottom Flask?
Answer: This flask is constructed from high-quality borosilicate glass, which provides thermal resistance and chemical durability. This glass type withstands extreme temperature changes and is less prone to thermal shock. The superior material ensures that the flask maintains structural integrity during heat applications, making it ideal for procedures such as refluxing or heating reactions in a controlled lab environment. -
Question:
What size is the StonyLab Glass 3 Neck Round Bottom Flask?
Answer: The StonyLab Glass 3 Neck Round Bottom Flask has a capacity of 2 liters, making it suitable for medium to large-scale experiments. This size accommodates varied laboratory applications from reagent mixing to conducting larger chemical processes, ensuring researchers can manage substantial liquid volumes while maintaining proper workspace efficiency. -
Question:
How do the necks on the 3 Neck Flask enhance its functionality?
Answer: The three necks of the flask enhance functionality by allowing for the attachment of various apparatus simultaneously. For instance, one neck can be used for a thermometer, another for a reflux condenser, while the third can introduce gases or other liquids. This versatility is essential in experiments requiring real-time monitoring and complex material handling, increasing the overall efficiency of the research process. -
Question:
Can the StonyLab Round Bottom Flask be used for distillation?
Answer: Yes, the StonyLab Round Bottom Flask is ideal for distillation processes. Its round shape promotes even heating, which is crucial in distillation to avoid localized overheating. The three necks allow for the integration of a condenser to facilitate vapor cooling, enhancing the distillation process while maintaining workflow efficiency, particularly in chemical laboratories focused on purification methods. -
Question:
Is this flask suitable for high-temperature applications?
Answer: Absolutely, the StonyLab Glass 3 Neck Round Bottom Flask is designed to withstand high temperatures due to its borosilicate glass construction. This material is well-regarded for its high thermal resistance, commonly utilized in boiling solutions during chemical reactions. Thus, it's an essential tool in high-heat experiments like crystallizations or thermal decompositions, ensuring safety and reliability. -
Question:
What type of joint does this flask have?
Answer: The StonyLab Glass 3 Neck Round Bottom Flask features 2440 center and side standard taper outer joints. This design facilitates secure fitting with various laboratory apparatus, ensuring a snug and leak-proof connection during experiments. Its standardized measurement allows compatibility with commonly used glassware throughout the lab, providing flexibility and ease during setup. -
Question:
Can the flask be used in a vacuum setup?
Answer: Yes, the design of the StonyLab Round Bottom Flask accommodates vacuum setups effectively. Its three necks make it easy to attach vacuum lines or other vacuum apparatus without compromising system integrity. This flexibility is beneficial for conducting reactions under reduced pressure, which can lead to improved yields or enable processes that may be sensitive to atmospheric conditions. -
Question:
How do I clean and maintain the StonyLab Glass Flask?
Answer: Cleaning the StonyLab Glass 3 Neck Round Bottom Flask should be done using appropriate laboratory detergents or solvents that won't compromise the glass. After use, it’s advisable to rinse with distilled water and dry it thoroughly. Regular maintenance ensures longevity and reliability, especially in laboratories where cleanliness is essential for experimental accuracy. -
Question:
Where can I buy the StonyLab Glass 3 Neck Round Bottom Flask in Bangladesh?
Answer: You can purchase the StonyLab Glass 3 Neck Round Bottom Flask with 2440 Center and Side Standard Taper Outer Joint 2L from Ubuy in Bangladesh. Ubuy provides a user-friendly shopping experience, along with comprehensive product details to assist you in making an informed decision.
stonylab Boiling Flasks US-RBF-3Neck-Glass-50ml Editorial Review
The StonyLab Glass 500ml Heavy Wall 3 Neck Round Bottom Flask RBF is a great buy for those who need a 3-neck RBF at an affordable price. Made of high-quality glass, it has held up well for many experiments and reactions, with little or no imperfections. The joints seal up great, and there are no thermal shock issues. However, note that it uses a different keck clamp than most other companies, due to its angular interface bulge ground glass joint. This flask can withstand high temperatures of around 400°C, making it suitable for distilling mercury.
Customer Reviews & Ratings
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5 Star
63%
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4 Star
20%
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3 Star
3%
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2 Star
8%
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1 Star
6%
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Pros
- Affordable price
- High-quality glass with little to no imperfections
- Joints seal up great
- Can withstand high temperatures, suitable for distilling mercury
Cons
- Uses a different keck clamp than most other companies
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
BDT 4291
Order now and get it around Friday, June 26
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Features & Benefits
- Ideal for heating, mixing, distillation, and storage.
- Features three necks for simultaneous use of lab equipment.
- Made from high borosilicate 3.3 glass for superior durability.
- Highly resistant to acids and alkalis.
- Can withstand high temperatures for stable use.
- 50ml capacity with a 24/40 center joint.












