Corning Pyrex® #5640-500
- 500 mL capacity, Class A
- Pyrex glass standard taper stopper included
- 3.94 x 3.94 x 11.3 inches, 0.4 kg
- Round bottom, cylinder shape
Updated 2 days ago · Based on the Amazon listing and published specifications, not hands-on testing.
A single Class A half liter volumetric flask with a glass stopper, for preparing standard solutions. The specs list no material or taper size.
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ASIN: B0741FWKYJModel: 43237-2Category: Volumetric Flasks
Overview
Preparing standard solutions at half a liter is the job of this Pyrex volumetric flask, which includes a glass standard taper stopper. It has a round bottom and a cylindrical form.
The stopper in the order saves matching one separately. The listing is thin on detail, with no material line, taper size or tolerance standard beyond the Class A label.
Who it's for
Analytical benches and teaching labs making accurate solutions at this volume. Buyers matching existing stoppers should check taper size with Corning.
Pros and cons
- Class A label
- Stopper taper size not listed
- Material not stated
- Tolerance standard not given
Performance notes
The flask delivers its marked volume when the meniscus rests on the graduation line. A seated stopper allows inverting the flask to mix the solution.
Specifications
| Model | 43237-2 |
|---|---|
| Dimensions & fit | |
| Dimensions D x W x H | 3.94 x 3.94 x 11.3 inches |
| Item weight | 0.4 kg |
| Capacity & performance | |
| Capacity | 500 ml |
| Included components | |
| Stopper | Pyrex glass standard taper stopper |
| Other details | |
| Tolerance | Class A |
| Shape | Cylinder |
| Bottom Shape | Round |
Frequently asked questions
Does the Corning 5640-500 take other stoppers?
The listing says it comes with a Pyrex glass standard taper stopper. It does not give the taper size, so check before using another stopper.
Is the 5640-500 a Class A flask?
Yes. The title lists it as a Class A volumetric flask.
How heavy is the Corning 5640-500?
The listing gives 0.4 kg.