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PYREX™ Kjeldahl Flasks

Long necks, round bottoms, substantial walls

Manufacturer: corning incorporated  5420-500

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Catalog No. 10-110E


Description & Specifications


Height (English) With Closure 12.7 in.
Height (Metric) With Closure 32.4cm
Material Pyrex™ Glass
Bottom Shape Round
Capacity (Metric) 500mL
Diameter (English) Outer 3.97 in.
Diameter (Metric) Outer 101mm
Disposable No
Neck Style Long
Stopper Number 6
Top Style Tooled

  • Size 100mL and larger have strong tool-finished mouths
  • 30mL size (neck not tooled) is suited for multiple microdigestion apparatus
  • Avoid contact between flask bottoms and heating elements