Product Description
Uniform heating and a leak-free joint are the foundation of any good reflux or distillation. This round bottom flask delivers both, with a geometry that spreads heat evenly and a ground neck that fits standard taper glassware.
This listing is for DURAN catalog number 241703608: Round Bottom Flask, NS 24/29, 250 mL, Case of 10. Made from 3.3 expansion borosilicate glass to DIN ISO 4797, the flask has an interchangeable ground neck joint that can be closed with glass or plastic stoppers. A fired-on white print stays durable. Offered as 100 mL with NS 14/23 and 250 mL with NS 24/29 or NS 29/32. LIGHT LABS supplies the complete DWK Life Sciences line, including Kimble, Wheaton and DURAN labware.
Key Features
- Standard ground joint – Interchangeable fit with standard taper glassware.
- Uniform heating – Spherical shape distributes heat evenly.
- DIN ISO 4797 compliant – Standard dimensions.
- Closable – Accepts glass or plastic stoppers.
- Borosilicate 3.3 – Heat and chemical resistant.
Specifications
| Catalog Number | 241703608 |
| Brand | DURAN (DWK Life Sciences) |
| Description | Round Bottom Flask, NS 24/29, 250 mL |
| Sold As | Case of 10 |
| Material | Borosilicate glass 3.3 |
| Standard | DIN ISO 4797 |
| Joint | NS 14/23; NS 24/29; NS 29/32 |
| Autoclavable | Yes |
Available Options
- 241702509 – Round Bottom Flask, NS 14/23, 100 mL, Case of 10
- 241703702 – Round Bottom Flask, NS 29/32, 250 mL
Applications
- Reflux reactions
- Distillation
- Rotary evaporation
- Organic synthesis
