Specification Brand : Corning BulletPoint : Quality controlled and guaranteed to be free of defects. BulletPoint1 : round bottom flask BulletPoint2 : 24/40 joint BulletPoint3 : 2000ml capacity BulletPoint4 : heavy wall BulletPoint5 : One 10/30 side joint Capacity : 250 milliliters ExternallyAssignedProductIdentifier1 : 0747100695872 ExternallyAssignedProductIdentifier2 : 747100695872 ItemName : Corning Pyrex® #4060-250, 250mL Long Neck Boiling Flask, Flat Bottom and Tooled Mouth (Single) ItemPackageDimensions_Height : 20 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 6 inches ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-boiling-flasks Manufacturer : Karter Scientific Material : Borosilicate Glass ModelNumber : 6953-16 NumberOfItems : 1 PartNumber : GLA5E3DN ProductDescription : These 250 mL PYREX flat bottom boiling flasks have long necks with tooled mouths and take a No. 5 rubber stopper. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are carefully controlled to provide the proper balance between thermal expansion and mechanical strength for greater shock resistance. Their excellent chemical durability results in contamination-free results and long life under the toughest lab conditions. The normal working temperature for PYREX boiling flasks is 230°C. ProductSiteLaunchDate : 2017-07-19T17:51:00.493Z Size : 5000mL StreetDate : 2018-02-25T00:00:01Z UnspscCode : 41120000