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PYREX™ Class A Flasks with Bulbed Neck

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

Manufacturer: corning incorporated  C5820500

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Catalog No. 10-224D


Description & Specifications


Material Pyrex™ Glass
Bottom Shape Flat
Calibration To contain
Capacity (Metric) 500mL
Diameter (Metric) Outer 100mm
Diameter (English) Outer 3.93 in.
Height (Metric) 32.2cm
Height (English) 12.67 in.
Neck Style Bulb
Stopper Material Glass
Stopper Number 19
Tolerance ±0.2mL

  • 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)