Flask, Round/Flat Bottom, Three Necks, Angled

The GISCOM Three-Neck Round/Flat Bottom Flask with Angled Side Necks is a precision-engineered laboratory vessel designed for complex chemical reactions, distillations, and controlled synthesis procedures. Equipped with three strategically placed necks, it enables simultaneous operations such as reagent addition, stirring, temperature monitoring, and refluxing. Made from high-quality Borosilicate Glass 3.3, this flask ensures exceptional thermal and chemical stability, making it indispensable for research laboratories, pharmaceutical manufacturing, and industrial R&D environments.

Key Features

• Three-Neck Design: Allows multiple connections (condensers, thermometers, dropping funnels, stirrers) for versatile reaction workflows.
• Angled Side Necks: Provide improved accessibility, ergonomic handling, and reduced risk of glassware crowding.
• Available in Round or Flat Bottom: Supports both uniform heating (round bottom) and compatibility with hotplates (flat bottom).
• High Thermal Resistance: Withstands rapid temperature changes and high-temperature reactions.
• Excellent Chemical Durability: Resistant to most acids, solvents, and reagents used in analytical and organic chemistry.
• Precision Joint Connections: Standard taper joints ensure leak-free, secure connections with other laboratory glassware.
• Smooth, Stress-Free Glass Surface: Reduces contamination risk and ensures easy cleaning.
• Durable and Reusable: Designed for repeated autoclaving and long-term laboratory use.

Material Specifications

• Material: Borosilicate Glass 3.3
• Thermal Properties: Low coefficient of thermal expansion for excellent heat shock resistance. Suitable for high-temperature heating and cooling cycles
• Chemical Properties: Highly resistant to acids, alkalis, and organic solvents. Non-reactive surface preserves sample purity
• Mechanical Properties: Strong, rigid construction for reliable daily use
• Compliance Standards: Manufactured as per  glassware standards

Technical Specifications

• Available Capacities: As per the standard size table
• Bottom Types: Round Bottom, Ideal for uniform heating; Flat Bottom, Suitable for hotplates and magnetic stirrers
• Neck Configuration: One center neck (vertical), two angled side necks for easy access
• Joint Sizes: Standard taper joints (e.g., 14/23, 19/26, 24/29, 29/32, 45/40)
• Tolerance: Manufactured with high dimensional accuracy
• Accessories (Optional): Stoppers, joint clips, condensers, adapters, and PTFE sleeves

Handling & Precautions

• Handle the flask using suitable clamps or supports during heating.
• Avoid sudden temperature shocks; allow gradual heating and cooling.
• Do not use damaged or scratched glassware during chemical reactions.
• Clean with non-abrasive laboratory detergents; rinse with distilled water.
• Compatible with autoclaving; ensure joints are open during sterilisation.
• Avoid dry heating on open flames, especially with flat-bottom flasks.
• Ensure all joint connections are properly greased or secured when required.

Applications

• Chemical Synthesis & Organic Chemistry
• Refluxing, Distillation, and Multi-Step Reaction Setup
• Pharmaceutical R&D and Formulation Development
• Quality Control (QC) and Quality Assurance (QA) Labs
• Biotechnology and Biochemical Studies
• Academic and Teaching Laboratories
• Industrial Process Development and Pilot-Scale Experiments

Its multi-neck configuration makes it highly efficient for processes requiring controlled addition of reagents, temperature measurement, sampling, or simultaneous apparatus connection.