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PYREX™ Serialized and Certified Flasks, Low Actinic

Calibrated “To Contain” within Class A tolerances

Manufacturer: corning incorporated  C556801L

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Catalog No. 11-850-25

  • / Case

Description & Specifications


Material Pyrex™ Glass
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 1000mL
Diameter (Metric) Outer 125mm
Diameter (English) Outer 4.9 in.
Graduated Yes
Height (Metric) 34.4cm
Height (English) 13.54 in.
Neck Style Long
Stopper Material Glass
Stopper Number 22
Tolerance ±0.3mL

  • Made from red low actinic stained glass to provide protection for materials sensitive to light
  • The protective color is an integral part of the flask, which retains its mechanical strength, chemical stability and thermal resistance
  • The graduation line is sharp and permanent and large white block letters make the inscription easy to read

PYREX Serialized/Certified Volumetric Glassware is now tested and calibrated in an ISO/IEC 17025 certified laboratory