An essential piece of laboratory glassware, the conical flask features a flat base, sloping sides and a narrow neck, making it well-suited for mixing, heating, titration and temporary storage of liquids. Its conical shape enables efficient swirling with minimal risk of spillage, while the narrow neck helps reduce evaporation and contamination. Conical flasks are available with standard ground joints or stoppers for secure closure during storage, sample handling or controlled reactions, as well as non-stoppered versions designed for open operations such as titration and routine mixing. Manufactured from heat-resistant borosilicate 3.3 glass, they provide excellent chemical and thermal durability, making them suitable for use in research, commercial, quality and teaching laboratories.