Separatory Funnel 500mL Eisco Polypropylene with PTFE Stopcock

Description

Product Overview

The Eisco 500 mL separatory funnel is engineered for reliable liquid phase separation in a variety of scientific and educational settings. Constructed from premium-grade polypropylene, the funnel delivers superior optical clarity, chemical durability, and a heat tolerance of up to 135 °C, allowing it to withstand autoclaving, microwave heating, and exposure to a broad spectrum of solvents without deformation or leaching. The integrated stopcock is fabricated from polypropylene and fitted with a self‑lubricating PTFE plug that provides precise, low‑friction flow control, enabling users to dispense liquids with confidence and accuracy. Complementing the stopcock, the funnel includes a threaded screw cap that creates a leak‑proof seal, protecting samples from contamination and evaporation during storage or transport. With a total height of approximately 13 inches and a compact 4‑inch diameter, the funnel occupies minimal bench space while offering a generous 500 mL capacity, making it suitable for both small‑scale experiments and larger batch processes. The product dimensions of 4 × 4 × 13 inches and a lightweight 4.16‑ounce mass further enhance its ease of handling and portability.

Usage

This separatory funnel excels in a wide range of applications, from routine laboratory separations of immiscible liquids such as water and oil to more specialized tasks like washing organic compounds with aqueous solvents. In academic environments, it serves as an essential teaching tool for demonstrating phase separation principles, liquid‑liquid extraction techniques, and solvent recovery processes. Professional research laboratories rely on its robust construction for reproducible results in synthetic chemistry, analytical testing, and environmental sample preparation. The funnel’s chemical resistance makes it compatible with acids, bases, and a variety of organic solvents, while its heat tolerance permits use in procedures that involve heating or cooling cycles. Additionally, the leak‑proof cap and secure stopcock design enable safe handling of hazardous or volatile substances, reducing the risk of spills and exposure. For field work or on‑site analysis, the lightweight design and durable materials allow the funnel to be transported easily without compromising performance.

Why Choose Us

Choosing the Eisco 500 mL separatory funnel means selecting a product that combines industrial‑grade quality with thoughtful design features tailored to the needs of scientists, educators, and hobbyists alike. Eisco’s commitment to rigorous manufacturing standards ensures each funnel meets exacting tolerances, providing consistent performance batch after batch. The polypropylene construction is free of BPA and other harmful additives, guaranteeing sample integrity and user safety. The PTFE‑lined stopcock offers a unique blend of durability and smooth operation, reducing wear and extending the lifespan of the component. Moreover, the leak‑proof screw cap is engineered to maintain a tight seal even under pressure changes, preventing accidental loss of valuable reagents. Eisco also backs its products with responsive customer support and a clear warranty policy, giving users confidence that any concerns will be addressed promptly. By investing in this funnel, customers benefit from a reliable, long‑lasting tool that supports accurate experimental outcomes and reduces the need for frequent replacements.

Key Features

• High‑quality polypropylene provides excellent chemical resistance and can tolerate temperatures up to 135 °C.
• PTFE‑lined stopcock delivers smooth, precise flow control for accurate liquid separation.
• Leak‑proof threaded screw cap protects samples from contamination and evaporation.
• Compact 500 mL capacity balances large volume handling with minimal bench footprint.
• Responsive customer support and warranty ensure reliable after‑sales service.

FAQ

Can this funnel be used with strong acids or bases?

Yes. The polypropylene body is chemically resistant to most acids and bases commonly used in laboratory protocols, making it suitable for a wide range of pH‑dependent separations.

Is the PTFE plug replaceable if it wears out?

The PTFE plug is designed to be durable and long‑lasting; however, if it does become damaged, it can be replaced with a compatible PTFE plug from Eisco or an authorized supplier to restore optimal performance.

What is the maximum temperature the funnel can withstand?

The funnel can safely endure temperatures up to 135 °C, allowing it to be autoclaved for sterilization or used in heated extraction procedures without deformation.

How does the leak‑proof cap prevent evaporation?

The screw cap threads tightly onto the funnel neck, creating an airtight seal that prevents volatile solvents from escaping and protects the sample from external contaminants during storage or transport.

Is this funnel suitable for educational classroom demonstrations?

Absolutely. Its clear construction, easy‑to‑use stopcock, and secure cap make it an ideal teaching aid for illustrating liquid‑liquid extraction, phase separation, and solvent washing techniques to students of all levels.