Flask, Pyrex, Volumetric, Class A, 250ml

90-7640-78Flask, Pyrex, Volumetric, Class A, w/ Pyrex Standard Taper Stopper, 250ml, Corning 5640-250


Price Shown is 25% off of List:   

Corning® PYREX® 250 mL Volumetric Flask with Glass Standard Taper Stopper, Class A, 5640-250

Features:
  • Precise volume measurement
  • Machine-blown body sealed to heavy-tubing neck
  • Graduation line is sharp and permanent
  • Large white block letters and marking spot for easy-to-read inscriptions
  • Manufactured to Class A standards established by ASTM E-694 for volumetric ware, ASTM E-542 for calibration of volumetric ware, and ASTM E-288 for volumetric flasks


Specifications:

Capacity 250 mL
Flask style Volumetric
Flask shape Flat bottom
Top style Standard Taper joint
Neck style Long
Stopper style Standard Taper
Feature Reusable
Standard Taper stopper size 
No. 16
Accuracy class
Class A
Tolerance ± 0.12 mL
Flask feature Heavy duty
Stopper material
Hollow glass
Sterile No
Height 252 mm (approx)  
Outside diameter 78 mm (approx)


Additional Sizes:

90-7640-12 1ml, ±0.01ml Tolerance
90-7640-17 2ml, ±0.015ml Tolerance
90-7640-23 5ml, ±0.02ml Tolerance
90-7640-28 10ml, ±0.02ml Tolerance
90-7640-42 25ml, ±0.03ml Tolerance
90-7640-53 50ml, ±0.05ml Tolerance
90-7640-67 100ml, ±0.08ml Tolerance
90-7640-77 200ml, ±0.1ml Tolerance
90-7640-78 250ml, ±0.12ml Tolerance
90-7640-81 500ml, ±0.2ml Tolerance
90-7640-86 1000ml, ±0.3ml Tolerance
90-7640-88 2000ml, ±0.5ml Tolerance

Price Shown is 25% off of List:   
Catalog # Product Description
Unit of Measure:
Price
90-7640-78Flask, Pyrex, Volumetric, Class A, w/ Pyrex Standard Taper Stopper, 250ml, Corning 5640-250 From $42.30 to $419.49
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