Boiling Flasks
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Single Neck Flat Bottom Flasks
ChemglassSingle neck, flat bottom flask with a standard taper outer joint.
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Class A Mixing Bulb Style Wide Mouth Flasks with Standard Taper Stoppers
DWK Life Sciences (Kimble)Wide mouths allow easy access into these mixing bulb volumetric flasks for applications such as dissolving tablets and other solids. Mixing bulb in neck accommodates approximately one tenth of the flask’s total volume and is designed to aid in dissolving or mixing the contents of the…
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Heavy Wall 10L Round Bottom 3-Neck Flasks
Across InternationalAi 10L heavy wall, 3-neck round bottom flask with 24/40 and 34/45 standard taper joint. Comes with two vertical 34/45 side necks and one 24/40 center neck. Glass material: high borosilicate glass 3.3.
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These PYREX(r) round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. 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…
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Flask, Round Bottom, Three Neck
Ace GlassWith outer joints with side necks angled. Available fabricated with heavy walls, approximately 30% heavier than regular wall flasks. Round bottom, three neck flask with angled sides. All joints are standard taper. Available in standard and heavy wall.<
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ValueWare® Flat Bottom Flasks, Florence, Reinforced Beaded Top
DWK Life Sciences (Kimble)Manufactured from KIMAX™ borosilicate glass, ValueWare has a low coefficient of expansion and a very high resistance to chemical attack. This means optimal performance in the lab at an affordable price. Long life expectancy, resistant to most chemicals. Ideal for general laboratory use.…
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Borosilicate Glass Flat Bottom Boiling Flasks with Ground Glass Joints
United Scientific SuppliesBoiling, flat bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass Feature uniform wall thickness for superior mechanical strength and shock resistance Ideal for boiling, heating and mixing in the laboratory
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Flask, Single Neck, Spherical, Receiving
Ace GlassWith short neck and outer joint. Available in standard and heavy wall. Heavy wall approximately 30% heavier than standard wall.
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SYNTHWARE Round Bottom Flasks with Spherical Socket Joints
Kemtech AmericaSYNTHWARE round bottom boiling flasks with spherical socket joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness. These flasks can be used as replacements for the collection flask on rotary evaporators.
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PYREX round bottom boiling flasks have full length outer Standard Taper joints, but with shorter necks. They are manufactured from No. 7740 borosilicate glass. Wall thicknesses are controlled to provide balance between thermal expansion and mechanical strength for greater shock resistance. The…
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Borosilicate Glass Flat Bottom Boiling Flasks
United Scientific SuppliesBorosilicate Glass Flat Bottom Boiling Flasks are designed to give the best combination of thermal shock resistance, physical strength, and resistance to chemical attack.
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Flask, Round Bottom, 3 Neck, Angular
United Scientific SuppliesUnited Scientific™ three-necked boiling flasks with ground glass 24/40 joints are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. 24/40 ground glass joints Available in four capacities Made from…
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Flask, Round Bottom, Ace-Thred Side Port
Ace GlassRound bottom, single neck flask with Ace-Thred side port supplied with our 5029-10 nylon bushing and 7855-704 FETFE o-ring. Bushing is ideal for use with thermometers or bleed tubes of up to 7mm OD. Available in standard and heavy wall versions.
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Florence Boiling Flasks
EiscoMade of high quality, heavy duty Borosilicate glass Narrow neck, flat bottom, beaded rim. Perfect for any science or home laboratory Florence boiling flask made out of high quality, heavy duty borosilicate glass. Narrow neck, beaded rim and flat bottom. No stopper included. …
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Angled Two Neck Round Bottom Flasks
DWK Life Sciences (Kimble)Two-neck heavy wall flask with Standard Taper outer joints Side neck is angled Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Round Bottom Boiling Flasks, SJ Joint, Heavy Wall, with Plastic Safety Coating
DWK Life Sciences (Kimble)KimCote® plastic-coated single neck flask with a SJ socket joint. Useful as rotary evaporator condensate collection flask or as a replacement for European designation KS 20/35.
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SYNTHWARE Round Bottom Angled Four Neck Flasks
Kemtech AmericaSYNTHWARE round bottom, heavy wall, four neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.
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Heavy wall, wide mouth flask with a GL80 glass thread and a 24/40 connecting adapter. Flasks have a heavy wall for vacuum applications and are balanced to prevent run-out during rotation. Unique design makes it easier to handle highly viscous liquids, powders, and solids. The large opening permits…
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Flask, Single Neck
Ace GlassRound 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.
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Florence Boiling Flasks
EiscoMade of high quality, heavy duty borosilicate glass Narrow neck, flat bottom, beaded rim Perfect for any science or home laboratory Florence boiling flask made out of high quality, heavy duty borosilicate glass. Narrow neck, beaded rim and flat bottom. No stopper included. Autoclavable, with…
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Round bottom, single neck flask with either a beaded tube end port or a beaded tube end well. Well I.D. on 6935-03 thru 6935-17 is approximately 9.5mm. Well I.D. on 6935-64 thru 6935-78 is approximately 9mm.
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Round Bottom Two Vertical Neck Flasks
SP Wilmad-LabGlassWith two vertical necks and a round bottom, these borosilicate glass flasks feature a side neck Standard Taper 24/40 outer joint. The center Standard Taper joint varies with flask capacity.
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SYNTHWARE Round Bottom Angled Three Neck Flasks
Kemtech AmericaSYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the angled side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.
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Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint.
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Boiling Flasks
GSC International, Inc.These quality round bottom boiling flasks are made from heat-resistant borosilicate glass, and have 24/40 ground glass joints and thick walls. PRODUCT WARNINGS WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer,…
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Flask Boiling Round Bottom 250ml
DWK Life Sciences (Kimble)KIMAX® round bottom boiling flask with a short neck and a medium length Standard Taper joint Designed from ASTM Specification E1403, Type II, Class III requirements Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Flasks, Flat Bottom, Long Necks
ChemglassSingle neck, flat bottom flask with a standard taper outer joint.
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SYNTHWARE Round Bottom Vertical Three Neck Flasks
Kemtech AmericaSYNTHWARE round bottom, heavy wall, three neck flasks with standard taper outer joints on both the center neck and the vertical side necks. All sizes are hand blown from tubing to ensure uniform wall thickness.
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Pear-shaped boiling flasks have full length outer 14/20 Standard Taper joints and 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…
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Flask 50 ml
CorningThese 50mL PYREX® flat bottom boiling flasks have full length outer 24/40 Standard Taper joints, but with shorter necks. Adapter Nos. 8800, 8820 and 8825 are used to connect flasks with different size joints, thus allowing numerous combinations for diverse assemblies. Manufactured from…
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Round bottom, single neck flask with stopcock septum port side arm for use with air-sensitive material. Features a PTFE, 2mm bore stopcock. Available in standard wall and heavy wall versions. All flasks supplied with a 9096-32 septum.