Product Description
Gain extra clearance between the heat source and connected glassware with a long neck threaded flask. The added neck length keeps connectors and heads farther from hot blocks or baths, and gives more room for refluxing vapors before they reach the condenser.
This listing is for Kimble catalog number 747520-1020: KONTES Long Neck Threaded Boiling Flask, 60 mm. Made from 33 expansion, low extractable borosilicate glass meeting USP Type I and ASTM E438, Type I, Class A, these round bottom flasks have a 20-400 thread. Two sizes are available, 10 mL and 25 mL, with overall heights of about 60 mm and 65 mm and body diameters of roughly 31 mm and 42 mm. LIGHT LABS ships genuine DWK Life Sciences products with knowledgeable support from our Englewood, Colorado team.
Key Features
- Long neck – Adds clearance between heat source and connectors.
- 20-400 thread – Fits threaded microscale components.
- Round bottom – Promotes even heating.
- Low extractable glass – USP Type I and ASTM E438, Type I, Class A.
Specifications
| Catalog Number | 747520-1020 |
| Brand | Kimble (DWK Life Sciences) |
| Description | KONTES Long Neck Threaded Boiling Flask, 60 mm |
| Sold As | Each |
| Glass | Type I, 33 expansion borosilicate glass |
| Standards | USP Type I; ASTM E438, Type I, Class A |
| Thread | 20-400 |
| Shape | Round bottom, long neck |
Available Options
Applications
- Microscale reflux
- Distillation at small scale
- Reactions in sand baths or blocks
- Organic teaching labs
