The MEDILAB Round Bottom Wide Neck Flask is a high-quality laboratory vessel designed for heating, mixing, boiling, and chemical reactions under controlled conditions. Its spherical base ensures uniform heat distribution, while the wide neck provides convenient access for adding reagents, inserting sensors, or using stoppers. Ideal for research, production, and analytical workflows, this flask is a vital component in chemical, pharmaceutical, and academic laboratories worldwide.

Key Features

• Uniform Heating: Round bottom design enables even heat transfer, reducing thermal stress and improving experiment reliability.
• Wide Neck Opening: Allows easy filling, cleaning, and fitting of condensers, stoppers, and adapters.
• High Durability: Manufactured from chemically resistant Borosilicate Glass 3.3, ensuring long-term use in demanding lab environments.
• Thermal Shock Resistant: Suitable for heating, cooling, and autoclaving without the risk of cracking.
• Smooth, Transparent Surface: Clear visibility of reactions and liquid levels.
• Precision Manufacturing: Consistent wall thickness and stress-free construction for safe and repeatable performance.
• Versatile Compatibility: Works with heating mantles, magnetic stirrers, and reaction setups.

Material Specifications

• Material: Borosilicate Glass 3.3
• Thermal Properties:
  Low thermal expansion coefficient (≈3.3 × 10⁻⁶/K), ensuring excellent thermal shock resistance
  Withstands high temperatures during heating and autoclaving
• Chemical Resistance:
  Highly resistant to acids, alkalis, organic solvents, and laboratory reagents
• Mechanical Strength:
  Stress-free, uniform wall thickness for enhanced durability
• Standards Compliance:
  Manufactured according to ISO, DIN, and international glassware quality norms

Technical Specifications

• Available Capacities: As per the standard size table
• Neck Type: Wide neck for easy accessibility
• Neck Joint Options: Standard sizes available (as required)
• Dimensional Accuracy: Produced under strict tolerance control for consistent fit and performance
• Heat Resistance: Suitable for direct heating using mantles or water/oil baths
• Accessories (Optional):
  Glass stoppers, adapters, clamps, stands, and heating mantles

Handling & Precautions

• Always preheat the flask gradually when using high-temperature heat sources.
• Avoid direct contact with flame unless using an appropriate heat-resistant support.
• Clean with mild laboratory detergents; avoid abrasive materials to maintain clarity.
• Compatible with autoclaving; allow proper cooling before handling.
• Do not expose hot glassware to cold liquids to prevent thermal shock.
• Inspect for micro-cracks before use, especially in heating applications, to ensure safety.
• Store upright or in dedicated glassware racks to prevent accidental damage.

Applications

• Chemical Synthesis & Reactions – Ideal for reflux, distillation, and heating of liquid mixtures.
• Pharmaceutical R&D – Used for formulation development, stability testing, and controlled laboratory reactions.
• Biotechnology & Life Sciences – Suitable for media preparation and solution heating.
• Academic & Research Laboratories—Perfect for teaching, demonstrations, and experimental setups.
• Quality Control / Quality Assurance Labs – Reliable vessel for analytical processes and routine testing.
• Industrial & Pilot-Scale Processing – Suitable for scale-up studies and chemical processing workflows.