PYREX® 10mL Class A Low Actinic Volumetric Flask with No. 9 Glass Stopper – 55640-10

The PYREX® 10mL Class A Low Actinic Volumetric Flask is a precision laboratory glass flask designed for accurate preparation and measurement of light-sensitive chemical solutions. Manufactured from durable low-actinic stained glass, it helps protect photosensitive reagents while maintaining chemical resistance and thermal stability. Featuring a long neck, permanent graduation mark and No. 9 PYREX® glass standard taper stopper, it is suitable for pharmaceutical analysis, analytical chemistry, laboratory quality control and research applications. Key Features & Specifications - Brand: PYREX® by Corning - Product Code: 55640-10 - Capacity: 10mL - Material: Low Actinic Stained Glass - Flask Type: Volumetric Flask - Accuracy Classification: Class A - Measurement Tolerance: ±0.02mL - Flask Design: Flat Bottom - Neck Style: Long Neck - Stopper Type: Hollow Glass Standard Taper Stopper - Stopper Size: No. 9 - Stopper Included: Yes - Light Protection: Low-actinic glass helps protect light-sensitive solutions - Graduation: Permanent precision calibration line - Markings: Large white lettering for easy identification - Flask Height: Approximately 99mm - Flask Outer Diameter: Approximately 28mm - Construction: Machine-blown glass body with reinforced neck - Reusable: Yes - Calibration Standards: ASTM E694, ASTM E542 and ASTM E288 - Manufacturer Packaging: 12 Pieces per Case - Applications: Volumetric solution preparation, analytical chemistry, pharmaceutical testing, reagent preparation and laboratory research