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Flask, Round/Flat Bottom, Single Neck

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Flask, Round/Flat Bottom, Single Neck (MEDILAB)

Flask, Round/Flat Bottom, Single Neck

Flask, Round Bottom / Flat Bottom with Joint, single neck

  • Complies with DIN / ISO 4797 standard

Note: Other socket sizes can also be provided

SKU: 11143 Categories: , , ,

Description

Flask, Round Bottom, Single Neck
Cat No. Nominal capacity ml Socket size App. Overall Size Dia mm
11143R/1 50 14/23 85 51
11143R/2 50 19/26 85 51
11143R/3 50 24/29 85 51
11143R/4 100 14/23 103 64
11143R/5 100 19/26 103 64
11143R/6 100 24/29 103 64
11143R/7 250 24/29 130 85
11143R/8 250 29/32 130 85
11143R/9 250 34/35 130 85
11143R/10 500 24/29 160 105
11143R/11 500 29/32 160 105
11143R/12 500 34/35 160 105
11143R/13 1000 24/29 187 131
11143R/14 1000 29/32 187 131
11143R/15 1000 34/35 187 131
11143R/16 2000 29/32 230 166
11143R/17 2000 34/35 230 166

 

Flask, Flat Bottom, Single Neck
Cat No. Nominal capacity ml Socket size App. Overall Size Dia mm
11143F/1 50 14/23 85 51
11143F/2 50 19/26 85 51
11143F/3 50 24/29 85 51
11143F/4 100 14/23 103 64
11143F/5 100 19/26 103 64
11143F/6 100 24/29 103 64
11143F/7 250 24/29 130 85
11143F/8 250 29/32 130 85
11143F/9 250 34/35 130 85
11143F/10 500 24/29 160 105
11143F/11 500 29/32 160 105
11143F/12 500 34/35 160 105
11143F/13 1000 24/29 187 131
11143F/14 1000 29/32 187 131
11143F/15 1000 34/35 187 131
11143F/16 2000 29/32 230 166
11143F/17 2000 34/35 230 166

The MEDILAB Round/Flat Bottom Flask with Single Neck is a precision-engineered laboratory vessel designed for heating, mixing, distillation, and general chemical processing. Its single-neck design ensures secure attachment of stoppers, condensers, and other lab accessories, making it ideal for controlled reactions. Manufactured from high-quality Borosilicate Glass 3.3, the flask offers excellent thermal stability and chemical resistance, ensuring reliable performance in both routine and advanced laboratory applications.

Key Features

  • Made from premium Borosilicate Glass 3.3 for superior durability and heat resistance.
  • Round/flat bottom design ensures uniform heat distribution during heating operations.
  • Single neck allows easy connection to standard joint systems and laboratory equipment.
  • High-clarity glass provides excellent visibility of reactions and contents.
  • Resistant to strong acids, alkalis, solvents, and thermal shock.
  • Smooth, stress-free glass construction for enhanced safety and long service life.
  • Suitable for heating in water baths, oil baths, or with heating mantles (round bottom).
  • Leak-proof joint ensures secure, airtight assembly during experiments.

Material Specifications

  • Material: Borosilicate Glass 3.3

Key Properties:

  • High thermal shock resistance (ΔT ~ 120°C)
  • Excellent chemical resistance to most laboratory reagents
  • Low coefficient of thermal expansion (~3.3 × 10⁻⁶ /°C)
  • High mechanical strength and durability

Standards Compliance:

  • Conforms to ISO, DIN, and ASTM standards for laboratory glassware
  • Manufactured in accordance with international quality and safety norms

Technical Specifications

  • Available Capacities:
    25 ml to 2000 ml (as per the standard size table)

Design Options:

  • Round Bottom
  • Flat Bottom
  • Single Standard Neck with Standard Joint (custom joint sizes available)

Dimensions:

  • Diameter, height, and joint size vary as per individual capacity
  • Precision-blown for dimensional accuracy

Tolerance:

  • Manufactured with tight tolerances for consistent performance

Calibration Details:

  • Not a calibrated volumetric vessel (general purpose flask)

Packaging:

  • Individually packed or bulk packed as per export standards
  • Shock-proof, multilayer packaging ensuring safe global transit

Accessories (Optional):

  • Glass stoppers
  • PTFE stoppers
  • Joint clips
  • Custom labeling

Handling & Precautions

  • Avoid direct flame contact unless using an appropriate round-bottom heating support.
  • Ensure uniform heating to prevent thermal stress.
  • Do not subject the flask to sudden temperature changes.
  • Suitable for autoclaving up to recommended temperature limits.
  • Use appropriate cleaning agents; avoid abrasive scrubbers to maintain clarity.
  • Inspect joints regularly for chips or cracks before use.
  • Store in padded racks or protective holders to avoid mechanical impact.

Applications

  • Ideal for chemical reactions, heating, boiling, and solvent distillation.
  • Widely used in organic synthesis, sample preparation, and reflux setups.
  • Perfect for use in pharmaceuticals, biotechnology labs, chemical industries, academic research, and QC/QA environments.
  • Supports daily laboratory workflows such as solution preparation, compound evaporation, and controlled heating processes.
  • Preferred for rotary evaporators (round bottom type) and analytical research setups.

Why Choose MEDILAB

  • Over 35+ years of expertise in laboratory glassware manufacturing.
  • Trusted by customers in 40+ countries with a strong export presence.
  • High-precision manufacturing ensures consistent, reliable quality.
  • Capability for OEM and private labelling for global brands and distributors.
  • Dedicated to premium packaging, timely delivery, and global supply chain efficiency.
  • Products engineered to meet international laboratory standards at competitive B2B pricing.

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