Product Description
A second neck makes it easy to add reagents, insert a thermometer or run a gas line without breaking down your setup. These two-neck heavy wall round bottom flasks give you that flexibility in a rugged flask built for vacuum, reflux and frequent handling.
This listing is for Kimble catalog number 605000-0224: KONTES Two Vertical Neck Round Bottom Flask, 24/40, 100 mL. Both necks are vertical and carry Standard Taper outer joints: a 24/40 or 34/45 center neck and a 24/40 side neck. Capacities range from 100 to 2000 mL. The flasks are made from low-extractable 33 expansion borosilicate glass meeting USP Type I and ASTM E438 Type I, Class A, and heat evenly in mantles and baths. Order it from LIGHT LABS and keep your lab stocked with genuine DWK Life Sciences products.
Key Features
- Two vertical necks – Simultaneous connection of condensers, funnels or thermometers.
- Heavy wall – Added strength for vacuum and repeated use.
- Standard taper outer joints – 24/40 or 34/45 center with 24/40 side neck.
- Round bottom – Uniform heating in mantles and baths.
- Low-extractable borosilicate – 33 expansion glass meets USP Type I and ASTM E438 Type I, Class A.
Specifications
| Catalog Number | 605000-0224 |
| Brand | Kimble (DWK Life Sciences) |
| Description | KONTES Two Vertical Neck Round Bottom Flask, 24/40, 100 mL |
| Sold As | Each |
| Material | Borosilicate glass 3.3 (33 expansion), low extractable |
| Standards | USP Type I; ASTM E438, Type I, Class A |
| Necks | Two, vertical |
| Center joint | 24/40; 34/45 |
| Side joint | 24/40 |
| Wall | Heavy wall |
Available Options
- 605000-1024 – KONTES Two Vertical Neck Round Bottom Flask, 24/40, 500 mL
- 605000-1224 – KONTES Two Vertical Neck Round Bottom Flask, 34/45, 500 mL
- 605000-1424 – KONTES Two Vertical Neck Round Bottom Flask, 24/40, 1000 mL
Applications
- Reactions with reagent addition
- Reflux with temperature monitoring
- Vacuum filtration setups
- Synthesis under inert gas
