Eisco Distillation Flask Borosilicate Glass Three Necks Lab

Description

Product Overview

The Eisco distillation flask is a precision-crafted laboratory essential designed for demanding scientific applications. Constructed from heavy-duty borosilicate glass, it offers superior resistance to thermal shock and chemical corrosion. This 250ml capacity flask features three angled necks, including a size 29/32 center socket and size 19/26 side sockets, providing multiple access points for thermometers, condensers, or other apparatus. Measuring 6 inches in height and 4 inches in width at its broadest point, it combines compact dimensions with substantial working volume. The robust design ensures long-term reliability in various experimental setups, from simple educational demonstrations to complex research procedures.

Usage

This distillation flask excels in diverse laboratory environments, including academic institutions, research facilities, and home science setups. It is particularly valuable for distillation processes, chemical reactions requiring multiple inlet/outlet ports, and educational experiments in chemistry or biology courses. Professional laboratories benefit from its compatibility with standard glassware connections, while students appreciate its clear visibility for observing reactions. The flask serves scientists, educators, and hobbyists who require dependable glassware for fractional distillation, reflux operations, or custom apparatus assemblies. Its design accommodates both basic instructional activities and advanced analytical procedures.

Why Choose Us

Eisco laboratory glassware stands out through meticulous manufacturing standards and material excellence. The borosilicate glass composition provides exceptional clarity and durability, resisting thermal stress far better than conventional glass. Each flask undergoes rigorous quality checks to ensure precise socket dimensions and uniform wall thickness. This commitment to craftsmanship results in glassware that maintains integrity under repeated heating cycles and aggressive chemical exposure. The angled neck design optimizes functionality without compromising structural stability, offering users a versatile tool that outperforms generic alternatives in both educational and professional contexts.

Key Features

• Heavy-duty borosilicate glass construction for superior thermal and chemical resistance
• Three angled necks providing flexible configuration options for complex apparatus setups
• Generous 250ml capacity suitable for various laboratory-scale processes and experiments
• Standardized socket sizes (29/32 center, 19/26 sides) ensuring compatibility with common lab equipment
• Compact 6×4 inch dimensions offering substantial working volume while conserving bench space

FAQ

What makes borosilicate glass better than regular glass for laboratory use?

Borosilicate glass contains boron trioxide, which gives it a much lower coefficient of thermal expansion than ordinary glass. This means it can withstand rapid temperature changes without cracking, making it ideal for heating and cooling cycles common in laboratory procedures. It also offers greater resistance to chemical corrosion from acids and bases.

Can this flask be used with automatic stirring apparatus?

Yes, the three-neck design allows for flexible configuration where one neck can accommodate a mechanical stirrer while the others host thermometers, condensers, or addition funnels. The standardized socket sizes ensure compatibility with most laboratory stirring equipment and accessories commonly available.

What is the maximum temperature this distillation flask can safely withstand?

While borosilicate glass can typically withstand temperatures up to 500°C, practical working temperatures are lower due to stress points at the necks and joints. For continuous operation, we recommend staying below 300°C and always using proper heating techniques with gradual temperature changes to maximize the flask’s lifespan.

How should I clean and maintain this laboratory glassware?

For routine cleaning, use warm water with a mild laboratory detergent and soft brushes specifically designed for glassware. For more stubborn residues, appropriate laboratory cleaning solutions can be used followed by thorough rinsing. Avoid abrasive cleaners and always inspect for cracks or chips before each use to ensure safety.

Is this flask suitable for vacuum distillation applications?

The borosilicate construction and thick-walled design make it suitable for moderate vacuum applications. However, for high vacuum operations, we recommend checking the specific vacuum rating and using additional support clamps to distribute stress evenly across the apparatus during operation.