{"product_id":"ace-glass-4-neck-round-bottom-flask-2-l-45-50-cn-24-40-sn","title":"Ace Glass 4 Neck Round Bottom Flask 2 L 45\/50 CN 24\/40 SN","description":"\u003ch3\u003eAce Glass SYNF44542L 4-Neck Round Bottom Flask – 2 L, Heavy-Wall Borosilicate\u003c\/h3\u003e\n\u003cp\u003eThe Ace Glass SYNF44542L is a heavy-duty, 4-neck round bottom flask designed for complex synthetic chemistry and pilot-scale reactions. With a 2-liter capacity, this flask provides ample volume for medium-scale organic synthesis, reflux, and distillation. It features a large 45\/50 center neck to accommodate high-torque overhead stirrers or large-diameter condensers, while the three 24\/40 side necks allow for the simultaneous integration of addition funnels, thermometers, and inert gas inlets.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-Strength Borosilicate Glass: Fabricated from Ace Glass’s premium borosilicate, offering exceptional thermal shock resistance and chemical durability against aggressive acids, solvents, and halogens.\u003c\/li\u003e\n\u003cli\u003e4-Neck Multi-Port Configuration: Features a vertical center neck and three angled or vertical side necks (model dependent), enabling multi-component assemblies without the need for fragile adapters.\u003c\/li\u003e\n\u003cli\u003eHeavy-Wall Construction: Engineered with increased wall thickness to provide superior mechanical strength, making it safer for use under vacuum or for reactions involving high-viscosity reagents.\u003c\/li\u003e\n\u003cli\u003ePrecision Ground Joints: Equipped with Standard Taper ($) 45\/50 and 24\/40 joints that are precision-ground to ensure leak-tight connections with minimal high-vacuum grease.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: SYNF44542L\u003c\/li\u003e\n\u003cli\u003eCapacity: 2000 mL (2 Liter)\u003c\/li\u003e\n\u003cli\u003eCenter Neck Joint: 45\/50 Standard Taper\u003c\/li\u003e\n\u003cli\u003eSide Neck Joints: 24\/40 Standard Taper (x3)\u003c\/li\u003e\n\u003cli\u003eFlask Shape: Round Bottom (Spherical)\u003c\/li\u003e\n\u003cli\u003eMaterial: Type I, Class A Borosilicate Glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplex Organic Synthesis: The 4-neck design is essential for controlled additions and monitoring, allowing a stirrer, a condenser, a dropping funnel, and a thermocouple to be used simultaneously.\u003c\/li\u003e\n\u003cli\u003eHigh-Torque Overhead Stirring: The large 45\/50 center neck accommodates heavy-duty stir bearings and shafts, perfect for managing reactions that increase in viscosity or require high-speed agitation.\u003c\/li\u003e\n\u003cli\u003eVacuum \u0026amp; Distillation: Ideal for fractional distillation and solvent recovery, where the round bottom geometry ensures uniform heating and minimizes stress points under reduced pressure.\u003c\/li\u003e\n\u003cli\u003eScale-Up Research: A versatile tool for process development and scale-up, bridging the gap between small benchtop glassware and larger glass reactors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eAce Glass™ and its associated logos are trademarks of Ace Glass Incorporated. Standard Taper ($) joints are manufactured in accordance with ASTM E676 specifications.\u003c\/small\u003e\u003c\/p\u003e","brand":"Ace Glass","offers":[{"title":"Default Title","offer_id":49092157276412,"sku":"10724","price":166.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/ace-glass-4-neck-round-bottom-flask-2-l-4550-cn-2440-sn-jointed-glassware-ace-glass-408373.jpg?v=1778702913","url":"https:\/\/lifesciencestrading.com\/zh\/products\/ace-glass-4-neck-round-bottom-flask-2-l-45-50-cn-24-40-sn","provider":"Life Sciences Trading","version":"1.0","type":"link"}