PYREX 10mL Pear-Shaped Boiling Flask with 14-20 Standard Taper Joint – 4315-10

The PYREX 10mL Pear-Shaped Boiling Flask is a precision laboratory glass flask designed for small-volume heating, boiling, distillation and chemical solution preparation. Manufactured from durable No. 7740 borosilicate glass, it features a full-length 14/20 outer standard taper joint for connection to compatible laboratory glassware. Its controlled wall thickness, excellent chemical durability and thermal shock resistance make it suitable for analytical, research, pharmaceutical and educational laboratories. Key Features - 10mL Capacity: Ideal for small-volume chemical reactions, heating and distillation. - Borosilicate Glass: Manufactured from PYREX No. 7740 glass for excellent chemical and thermal resistance. - Pear-Shaped Design: Suitable for laboratory distillation and small-scale sample preparation. - 14/20 Standard Taper Joint: Full-length outer joint for secure connection to compatible glassware. - Short Neck: Compact design for laboratory apparatus assemblies. - Heat Resistance: Normal working temperature of 230°C. - Thermal Shock Resistance: Controlled wall thickness improves mechanical strength and resistance to temperature changes. - Chemical Durability: Provides excellent resistance to many laboratory chemicals. - Reusable Construction: Designed for repeated laboratory applications. - Compact Dimensions: Approximately 31mm outside diameter and 58mm overall height. Parameter Specification Brand PYREX Manufacturer Corning Product Code 4315-10 Product Type Laboratory Boiling Flask Nominal Capacity 10mL Material No. 7740 Borosilicate Glass Flask Shape Pear-Shaped Bottom Design Rounded Neck Style Short Neck Top Style Standard Taper Joint Joint Size 14/20 Joint Type Full-Length Outer Standard Taper Joint Outside Diameter Approximately 31mm Overall Height Approximately 58mm Normal Working Temperature 230°C Thermal Resistance Thermal Shock Resistant Chemical Resistance Excellent Chemical Durability Glass Colour Clear / Transparent Stopper Included No Reusability Reusable Manufacturer Quantity per Pack 2 Pieces Manufacturer Quantity per Case 12 Pieces Applications Laboratory Heating, Boiling, Distillation, Chemical Reactions and Sample Preparation