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PYREX™ Kjeldahl Flasks

Long necks, round bottoms, substantial walls

Manufacturer: corning incorporated  5420-300

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Catalog No. 10-110D


Description & Specifications


Height (English) With Closure 11.7 in.
Height (Metric) With Closure 29.8cm
Material Pyrex™ Glass
Bottom Shape Round
Capacity (Metric) 300mL
Diameter (English) Outer 3.1 in.
Diameter (Metric) Outer 79mm
Disposable No
Neck Style Long
Stopper Number 5
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