 
PYREX® 50 mL Class A Volumetric Flask with PTFE Stopper
Product Number5644-50
 
            
                         These 50 mL Class A PYREX® volumetric flasks have machine-blown bodies to which are sealed heavy-beaded, heavy-tubing necks, tooled for No. 9 PTFE color-coded keyhole stoppers. For replacement stoppers see No. 7630. The graduation line is sharp and permanent. Large white block letters make the inscription easy to read. These Class A volumetric flasks have been manufactured to Class A tolerances as established by ASTM E- 694 for volumetric ware, ASTM E-542 for calibration of volumetric ware and ASTM E-288 for volumetric flasks.
                         
                    
                    
								Corning EcoChoice™ products are produced, packaged, and/or distributed in an environmentally friendly manner following United States Government Federal Trade Commission (FTC) Guidelines
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						One or more facilities manufacturing this product is 100% covered by renewable energy through the purchase of unbundled energy attribute certificates (EACs).
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   Details
| Product Number | 5644-50 | 
| Qty./Pk | 6 / Pk | 
| Qty./Cs | 12 / Cs | 
| Brand | PYREX® | 
| Capacity | 50 mL | 
| Flask Shape | Flat bottom | 
| Top Style | Standard Taper Stopper | 
| Neck Style | Long | 
| Stopper Style | PTFE | 
| Accuracy Class | Class A | 
| Feature | Reusable | 
| Tolerance | 0.05 mL | 
| Standard Taper Stopper No. | 9 | 
| Height | 151 mm (approx.) | 
| O.D. | 51 mm (approx.) | 
| Flask Style | Volumetric | 
| Flask Feature | Heavy duty | 
Specifications Documents
      
      
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