Labglass Conical Flask 500ml, Narrow Neck – Borosilicate Glass [2648]

The Labglass 500ml Conical Flask, also known as an Erlenmeyer flask, is a high‑quality laboratory vessel manufactured from durable 3.3 borosilicate glass. Featuring a classic narrow neck and conical body, this flask is ideal for mixing, heating, swirling, and storing liquids safely and efficiently in educational laboratories.

The conical shape allows liquids to be mixed easily by swirling without splashing, while the narrow neck helps reduce evaporation and improves control when using stoppers or delivery tubes. With its bubble‑free construction, the flask offers excellent resistance to thermal shock and chemical attack. Manufactured in accordance with ISO 1773, it provides reliable, consistent performance for routine laboratory use.

With a generous 500ml capacity, this flask is well suited to a wide range of classroom experiments, solution preparation, and teacher‑led demonstrations in school and college science departments.

Key Features

• 500ml capacity conical (Erlenmeyer) flask
• Manufactured from durable 3.3 borosilicate glass
• Narrow neck for controlled pouring and reduced evaporation
• Conical shape enables safe, splash‑free mixing
• High resistance to heat, chemicals, and thermal shock
• Bubble‑free glass for strength and clarity
• Conforms to ISO 1773 laboratory standards

Compatible Rubber Stoppers

• 2742 – Solid rubber stopper, 27mm
• 2743 – 1‑hole rubber stopper, 27mm
• 2744 – 2‑hole rubber stopper, 27mm

Ideal for School Science & Chemistry Lessons

The Labglass 500ml Narrow Neck Conical Flask is ideal for KS3, GCSE, and A‑Level chemistry lessons, supporting a broad range of practical activities where heating, mixing, and controlled reactions are required.

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

Robust, versatile, and manufactured to recognised international standards, the Labglass 500ml Narrow Neck Conical Flask is an essential laboratory item that supports safe, effective, and confidence‑building science teaching.