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PYREX™ Class A Micro Volumetric Flask, Standard Taper Stopper

Calibrated “To Contain”

Manufacturer:  PYREX™ 56302

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Catalog No. 20-814B

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Calibrated “To Contain”

Volumetric flasks for microchemical work, sizes 1 mL through 5 mL, are designed in accordance with the recommendations of the Committee of Microchemical Apparatus, Analytical Division of the A.C.S. To improve the stability of this small flask, a hexagonal base, similar to those on all cylinders, has been added. The graduation line is sharp and permanent. The white markings are easy to read.

For stoppers only, see Cat. No. 7650.

Reference: ASTM E-237.


Designed from requirements of ASTM™ E 237, Class A; Sizes 1 to 5mL are designed to meet standards of ACS Committee of Microchemical Apparatus, Analytical Division.



2 mL
2.79 in.
Class A
1.2 cm
0.47 in.
Glass, Pyrex Glass
7.1 cm
±0.015 mL
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