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Environmental Express 100 mL Round Flat-Bottom Flask, 24/25 Joint — Cole-Parmer

Environmental Express 100 mL Round Flat-Bottom Flask, 24/25 Joint — Cole-Parmer
Brand: Cole-Parmer
Product Code: 3521151
Reviews: (0)
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Specifications: (see all)
Flask type
Round flat-bottom laboratory flask
Type Material
Borosilicate glass (chemically resistant, heat-resistant)
Volume (ml/L)
100 mL
Neck diameter (mm)
Standard ground glass joint 24/25 (~24 mm)
Base diameter (mm)
~55 mm (±5%)
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The Environmental Express round flat-bottom flask, 100 mL, with a 24/25 ground glass joint, is a high-quality laboratory vessel made from durable Class A borosilicate glass. It conforms to ASTM E1404 and DIN 12380 standards, ensuring accuracy, safety, and long-term reliability. The flat bottom provides excellent stability on heating plates and lab surfaces, making it ideal for a variety of laboratory applications.

This flask is widely used in organic synthesis, analytical chemistry, biotechnology, and educational laboratories. Resistant to heat, aggressive chemicals, and suitable for repeated autoclaving, it ensures reliable performance in both routine experiments and advanced research. Its precise 24/25 joint guarantees compatibility and secure sealing with other lab glassware. This makes it an indispensable tool for everyday laboratory use.

Tags: Flasks

Flasks
Flask type
Round flat-bottom laboratory flask
Type Material
Borosilicate glass (chemically resistant, heat-resistant)
Volume (ml/L)
100 mL
Neck diameter (mm)
Standard ground glass joint 24/25 (~24 mm)
Base diameter (mm)
~55 mm (±5%)
Height (mm)
~110 mm
Wall thickness (mm)
Reinforced wall thickness
Bottom type
Flat round bottom
Graduation marks
None
Accuracy class
Laboratory standard (ASTM/ISO)
Stopper or cap availability
No
Stopper material
Sealing tightness
Provided by ground glass joint 24/25
Chemical resistance
Resistant to acids, alkalis, and organic solvents
High temperature resistance (°C)
Up to +500 °C (with uniform heating)
Autoclavability
Yes, at +121 °C
Thermal shock resistance
High (borosilicate glass)
Reusability
Yes
Single-use
No
Compatibility with laboratory holders and racks
Yes
Labeling area availability
No
Packaging
Individual protective packaging
Dimensions (L×W×H)
~55 × 55 × 110 mm
Country of origin
USA
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