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PYREX™ Class A Flasks with Screw Cap

Calibrated “To Contain”

Manufacturer: corning incorporated  C565050

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Catalog No. 10-207B


Description & Specifications


Material Pyrex
Bottom Shape Flat
Capacity (Metric) 50mL
Closure Color Black
Closure Material Phenolic
Diameter (Metric) Outer 50mm
Diameter (English) Outer 1.96 in.
Height (Metric) 13cm
Height (English) 5.11 in.
Neck Style Long
Tolerance ±0.05mL
Top Style Threaded

  • Poly-Seal™ screw cap ensures a leakproof closure
  • Black phenolic caps have inert, cone-shaped polyethylene liners
  • Mouths of all sizes, including 25 and 50mL, are wide enough to accept powder funnels