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 241703702: Round Bottom Flask, NS 29/32, 250 mL. 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. Order it from LIGHT LABS and keep your lab stocked with genuine DWK Life Sciences products.
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 | 241703702 |
| Brand | DURAN (DWK Life Sciences) |
| Description | Round Bottom Flask, NS 29/32, 250 mL |
| Sold As | Each |
| 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
- 241703608 – Round Bottom Flask, NS 24/29, 250 mL, Case of 10
Applications
- Reflux reactions
- Distillation
- Rotary evaporation
- Organic synthesis
