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PYREX™ Class A Flasks with Bulbed Neck

Calibrated “To Contain” at 20°C (68°F)

Manufacturer: corning incorporated  C58201L

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Catalog No. 10-224E


Description & Specifications


Material Pyrex™ Glass
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 1000mL
Diameter (Metric) Outer 125mm
Diameter (English) Outer 4.9 in.
Height (Metric) 32.3cm
Height (English) 12.7 in.
Neck Style Bulb
Stopper Material Glass
Stopper Number 22
Tolerance ±0.3mL

  • Bulb has 0.1 of flask capacity for all sizes except 2000mL, which has 0.05 of flask capacity
  • Extra capacity in neck is used for preliminary titration, leaving full volume for adjustment of normality of solution
  • Tolerances specified on Class A Tolerances chart
  • standard taper barrelhead stoppers
  • Stopper standard taper sizes: 13 (100); 16 (250); 19 (500); 22 (1000); 27 (2000)