Assorted PYREX and Aldrich 50 ml Single Neck Round Bottom Flask 24/40 Standard Taper Outer Joint- Lot of 4 Flasks

Trusted Brands for Essential Small-Scale Evaporation and Synthesis

Bolster your glassware inventory with this assorted set of four (4) 50 mL Single Neck Round Bottom Flasks, featuring premium vessels from industry leaders PYREX and Aldrich. This convenient lot includes PYREX part number 4320A-50 and Aldrich part number Z414484, providing reliable and high-quality glassware for your daily benchwork.

These 50 mL flasks are uniquely designed with a large 24/40 standard taper outer joint on a small-capacity body. This specific configuration is highly sought after for directly connecting small-scale samples to standard-sized rotary evaporators, distillation heads, or freeze-drying apparatus without the need for reducing adapters. Constructed from premium borosilicate glass, they offer the chemical and thermal resistance required for rigorous laboratory environments.

Key Features & Benefits

• Direct Rotovap Connection: The large 24/40 standard taper joint allows this small 50mL flask to connect directly to most standard rotary evaporators and condensers, eliminating the hassle of joint adapters.
• Premium Assortment: Includes trusted, high-quality borosilicate glass from PYREX (Corning) and Aldrich, ensuring excellent chemical inertness and resistance to thermal shock.
• Uniform Heat Distribution: The spherical round-bottom geometry maximizes surface area for heating mantles and oil baths, preventing hot spots and ensuring smooth boiling.
• Versatile Utility: An essential staple for small-scale solvent removal, simple distillations, and acting as a receiving flask for concentrated fractions.

Technical Specifications

Used; undamaged and in good condition.