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VWR® Round Bottom Flask, with Three Necks and Standard Ground Joints
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Specifications:
| Application | Analytical Chemistry |
| Material | Borosilicate glass |
| Storage Temperature | Ambient |
| Product Type | Laboratory Glassware, flasks |
| Product Brand | VWR |
| Product Grade | Analytical grade |
DIN 12394 | Borosilicate 3.3 Glass | Chemical-Resistant, Heat-Resistant
The VWR® Round Bottom Flasks with Three Necks are designed for advanced laboratory reactions requiring simultaneous access through multiple ports. Constructed from high-quality borosilicate 3.3 glass, these flasks provide excellent chemical and thermal resistance and are suitable for distillation, reflux, or synthesis applications. The angled side necks and central neck are fitted with DIN-compliant standard ground joints, allowing secure and interchangeable connection with various lab glassware and apparatus.
Key Features
- Three Neck Configuration: One central neck and two angled side necks for flexible multi-port operations.
- Standard Ground Joints: DIN 12394 compliant joints (NS 14/23 and 29/32) ensure compatibility and leak-proof sealing.
- Borosilicate 3.3 Construction: High resistance to thermal shock and chemical corrosion, ideal for heating and complex reactions.
- Clear Markings & Label Area: Each flask includes an imprinted catalog number and white labeling area for traceability and convenience.
- Versatile & Cost-Effective: Reliable performance across synthetic chemistry, pharmaceutical, and industrial labs.
Specifications
| Catalog No. | Capacity | Center Neck | Side Necks | Material | Certifications | Pack Size |
|---|---|---|---|---|---|---|
| 201-0546 | 50 mL | 14/23 NS | 14/23 NS | Borosilicate 3.3 Glass | DIN 12394 | 1 |
| 201-0547 | 100 mL | 29/32 NS | 14/23 NS | Borosilicate 3.3 Glass | DIN 12394 | 1 |
| 201-0548 | 250 mL | 29/32 NS | 14/23 NS | Borosilicate 3.3 Glass | DIN 12394 | 1 |
| 201-0549 | 500 mL | 29/32 NS | 14/23 NS | Borosilicate 3.3 Glass | DIN 12394 | 1 |
| 201-0552 | 1000 mL | 29/32 NS | 14/23 NS | Borosilicate 3.3 Glass | DIN 12394 | 1 |
Applications
- Reflux and distillation assemblies
- Multi-step organic synthesis
- Reactions requiring simultaneous sampling, gas inlet/outlet, or temperature monitoring
- Pharmaceutical and chemical R&D
The VWR® Three-Neck Round Bottom Flasks offer a robust and economical solution for multi-access laboratory workflows. Their high durability, precision-ground joints, and standardized construction make them indispensable in both research and production-scale settings.
- Capacity: 50 mL, Center neck size: 14/23 NS, Sides neck size: 14/23 NS 100 mL, Center neck size: 29/32 NS, Sides neck size: 14/23 NS 250 mL, Center neck size: 29/32 NS, Sides neck size: 14/23 NS 500 mL, Center neck size: 29/32 NS, Sides neck size: 14/23 NS 1000 mL, Center neck size: 29/32 NS, Sides neck size: 14/23 NS