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PYREX™ Class A Flasks for Light-Sensitive Materials

Calibrated “To Contain”

Manufacturer: corning incorporated  C55640250

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Catalog No. 10-227D


Description & Specifications


Material Pyrex
Bottom Shape Flat
Capacity (Metric) 250mL
Diameter (Metric) Outer 78mm
Diameter (English) Outer 3 in.
Graduated Yes
Height (Metric) 25.2cm
Height (English) 9.92 in.
Neck Style Long
Stopper Material Glass
Stopper Number 16
Tolerance ±0.12mL

  • Made of low actinic glass
  • Filter out ultraviolet and most visible light below 500nm
  • standard taper barrelhead stoppers
  • Tolerances specified on Class A Tolerances Chart