Product Description
Run reflux and addition at the same time from a single-neck flask. This Claisen adapter splits one joint into two, giving room for a condenser on one neck and an addition funnel or thermometer on the other. It is one of the most useful pieces in any organic kit.
This listing is for Kimble catalog number 273760-0000: KONTES Claisen Distillation Adapter, 19/22 mm, 72 mm. All joints on each adapter are the same size, with options in 14/20, 19/22, 24/40 and 29/42 standard taper. Smaller 14/20 and 19/22 versions suit microscale and teaching kits, and one 14/20 version adds a 13-425 GPI finish. Construction is 33 expansion, low extractable borosilicate glass meeting USP Type I and ASTM E438, Type I, Class A. Order it from LIGHT LABS and keep your lab stocked with genuine DWK Life Sciences products.
Key Features
- Two-neck conversion – Adds a second port to a single-neck flask.
- Reflux with addition – Supports condensers and addition funnels at once.
- Matched joints – All joints are the same size.
- Micro and standard sizes – 14/20 through 29/42 options.
Specifications
| Catalog Number | 273760-0000 |
| Brand | Kimble (DWK Life Sciences) |
| Description | KONTES Claisen Distillation Adapter, 19/22 mm, 72 mm |
| Sold As | Each |
| Material | 33 expansion borosilicate glass |
| Standards | USP Type I; ASTM E438, Type I, Class A |
| Joint sizes | 14/20, 19/22, 24/40, 29/42 |
Available Options
- 161500-2440 – KONTES Claisen Distillation Adapter, 24/40 mm, 92 mm
- 273750-0000 – KONTES Claisen Distillation Adapter, 14/20 mm, 69 mm
- 273755-0000 – KONTES Claisen Distillation Adapter, 14/20 mm, 64 mm
- 746010-0000 – KONTES Claisen Distillation Adapter, 14/20 mm
- 747100-0000 – KONTES Claisen Distillation Adapter, 14/20 mm, 13-425 GPI finish
Applications
- Reflux with addition reactions
- Distillation
- Microscale chemistry
- Teaching labs
