Labglass Conical Flask 500ml, Wide Neck – Borosilicate Glass [2683]

The Labglass 500ml Wide Neck Conical Flask, also known as an Erlenmeyer flask, is a robust and versatile piece of laboratory glassware manufactured from high‑quality 3.3 borosilicate glass. The wide neck design allows easier filling, cleaning, and insertion of accessories, making this flask particularly practical for busy school and college laboratories.

Its classic conical shape enables safe and efficient mixing by swirling while minimising the risk of splashing. The wide neck improves accessibility for thermometers, delivery tubes, or repeated reagent addition. With a bubble‑free construction, the flask offers excellent resistance to thermal shock and chemical attack. Manufactured to conform to ISO 24450, it provides reliable performance for routine educational laboratory work.

With a generous 500ml capacity, this wide neck conical flask is suitable for mixing, heating, solution preparation, and demonstration experiments across a wide range of science subjects.

Key Features

• 500ml capacity conical (Erlenmeyer) flask
• Manufactured from durable 3.3 borosilicate glass
• Wide neck for easy filling, cleaning, and access
• Conical shape allows safe, splash‑free mixing
• Excellent resistance to heat, chemicals, and thermal shock
• Bubble‑free glass for strength and clarity
• Conforms to ISO 24450 laboratory standards

Compatible Rubber Stoppers

• 2748 – Solid rubber stopper, 40mm
• 2749 – 1‑hole rubber stopper, 40mm
• 2750 – 2‑hole rubber stopper, 40mm

Ideal for School Science & Chemistry Lessons

The Labglass 500ml Wide Neck Conical Flask is ideal for KS3, GCSE, and A‑Level science lessons, particularly in chemistry where safe mixing, heating, and solution preparation are required. The wide neck makes it especially suitable for student practical work and repeated reagent handling.

• Mixing and heating liquids safely
• Preparing and storing chemical solutions
• Carrying out reaction and rate experiments
• Teacher‑led demonstrations of chemical processes
• Teaching correct handling of conical laboratory glassware

Strong, practical, and manufactured to recognised international standards, the Labglass 500ml Wide Neck Conical Flask is a reliable laboratory essential that supports safe, effective, and engaging science teaching.