PYREX Erlenmeyer Flask, 250 mL

This 250 mL PYREX® narrow mouth Erlenmeyer flask with a heavy duty rim is made from low expansion, Type 1, Class A borosilicate glass that can be heated directly in an open flame. This flask is made to ASTM E14040 specifications for general laboratory use such as mixing, heating, and cooling. The graduations are approximate and not intended for accurate liquid measurement. The Pyrex® brand is known for consistent high quality and their Erlenmeyer flasks are used in professional laboratories throughout the world. Use a #6.5 stopper for this glass flask.

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• Pyrex® Erlenmeyer flasks meet ASTM E1404 specifications and are made from low expansion, Type 1, Class A borosilicate glass that is capable of withstanding typical laboratory temperature variations.
• Capacity: 250 mL
• Uses a No. 6.5 rubber stopper
• Height: 132 mm
• Marked to fill 50-200 mL in 25 mL increments
• Extra-large marking spot
• Corning Item: 4980-250