Single Neck Round Bottom Flask

Single long neck flask with a Standard Taper outer joint Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

With excellent chemical durability for contamination free results, these short neck borosilicate glass round bottom boiling flasks have a single neck with a full length Standard Taper outer joint.

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Synonyms: bottom flask; flask round; round flask Legal Information: Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

5 mL 14/20 center neck Single neck round bottom flask with an outer joint.

Single neck flask with a Standard Taper outer joint Heavy wall Ref: ASTM Method D95 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Round bottom,single neck,all PTFE boiling flask. Maximum temperature 260 degrees C.

Quartz single neck round bottom flask with standard taper outer joint.

All PFA single neck round bottom flask with standard taper outer joint. Flask can withstand MAX temperature of 250°C and a MIN temperature of -200C.

Round bottom, single neck flask with a beaded tube end well.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. Flask has two hooks 180°; apart for use with CG-110 stainless steel springs.

Round bottom, HEAVY WALL single short neck flask for use on rotary evaporators for receiving distillate. Joint at the top of the flask is a 35/25 socket. Plastic Coated to prevent injury from broken glass while preventing spillage of hazardous materials.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for different capacity single neck round bottom flasks.

Round bottom, HEAVY WALL single short neck flask with a spherical socket joint. Flasks having a 35/20 socket joint are used as replacements for the collection flask on rotary evaporators.

Round bottom, HEAVY WALL single short neck flask with a standard taper outer joint. The 29/26 flasks have a groove tooled just below the grind to aid in clamping of the flask. Please note: There are separate listings for larger capacity round bottom flasks.

Round bottom flask with a single neck. Available in heavy wall.

Round bottom flask with a single neck. Available in heavy wall.

Blanks for fabrication of single or multi-neck round bottom flasks.  NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.

Heavy Wall blanks are 30% heavier than our standard CG-618 series. Blanks are used in the fabrication of single or multi-neck round bottom flasks. NOTE: NECK IS UNFINISHED, FLASK CANNOT BE USED WITHOUT MODIFICATION OF NECK.

Round bottom flask with short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall. Used by glassblowers in fabricating single or multi-necked flasks.

Round bottom, single neck flasks design for use with our 6810 series giant extractor apparatus.

SYNTHWARE round bottom, heavy wall, single neck flask with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness. Flask has two hooks 180° apart for use with stainless steel joint springs.