Boiling Flasks
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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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Borosil® Round Bottom Boiling Flasks have uniform wall thickness for even heat distribution. Constructed from stress-free borosilicate. Borosil® Boiling Flasks are heat-resistant. Built to withstand the demands of the modern lab, each flask has a flame-polished, Interchangable Joint, and an…
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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.
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Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint.
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ValueWare® Flat Bottom Flasks, Short Neck, Full-Length
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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SYNTHWARE round bottom, heavy wall, four 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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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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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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Flask Boiling Flat Bottom 250ml
DWK Life Sciences (Kimble)KIMAX boiling flask with a short joint neck. Designed from ASTM Specification E1403, Type I, Class 4 requirements.
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Round bottom flasks, three vertical necks, spherical outer joints. Available in standard and heavy wall.
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Pear Shaped Boiling Flasks
DWK Life Sciences (Kimble)Single-neck flask with a Standard Taper outer joint at top Heavy wall 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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Borosilicate Glass Round Bottom Boiling Flasks
United Scientific SuppliesBorosilicate Glass Round 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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Borosilicate Glass Round Bottom Boiling Flasks with Ground Glass Joints
United Scientific SuppliesBoiling, round 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 Boiling Flat Bottom 500ml
DWK Life Sciences (Kimble)KIMAX® boiling flask with a short Standard Taper joint neck. Designed from ASTM Specification E1403, Type I, Class IV 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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Flask, Round bottom, Three Neck
Ace GlassRound bottom, three neck flask. Side necks are angled. Available in standard wall for more rapid heating or heavy duty for mechanical shock resistance. Microscale flasks, codes -34 & -36, feature 14/10, 20-400 externally threaded cap-seal joints supplied with 14.7-15mm holed caps, PTFE faced…
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Round bottom Short ring neck These PYREX® round bottom boiling flasks have short ring necks. These ring neck boiling flasks are precisely tooled for uniform stopper fit. The reinforced rim increases mechanical strength. These flasks are used in applications requiring rigid stoppering…
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Flask, Round Bottom, Four Neck
Ace GlassRound bottom flask with four necks arranged 3 in-line and one at 90 degrees. 500ml and smaller flasks have angled side necks while larger sizes feature vertical necks. Available in heavy wall.
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SYNTHWARE Microscale Round Bottom Flasks
Kemtech AmericaRounRound Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5, 10, and 25mL, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septad Bottom Flask, One Neck, Threaded, Synthware, Capacity: 5,
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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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Flask 1000 ml
CorningThis specially designed PYREX® 1L boiling flask is a replacement part for the PYREX® Cyanide Distilling Apparatus (No. 3350-C).
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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.
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SYNTHWARE Round Bottom Two Neck Flasks
Kemtech AmericaSYNTHWARE round bottom, heavy wall, two neck flasks with standard taper outer joints on both the center neck and the angled side neck. All sizes are hand blown from tubing to ensure uniform wall thickness.
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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.
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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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Flask, Two Necks, Vertical
Ace GlassTwo neck, one center and on vertical side neck, round bottom flask with standard taper joints. Available in standard wall or heavy wall.
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SYNTHWARE Flat Bottom Flasks
Kemtech AmericaSYNTHWARE flat bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.
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SYNTHWARE Pear Shaped Flasks
Kemtech AmericaSYNTHWARE pear shaped, heavy wall, single neck flasks with a standard taper outer joint. All sizes are hand blown from tubing to ensure uniform wall thickness.
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SYNTHWARE Round Bottom Three Neck Flasks with Bottom Outlets
Kemtech AmericaSYNTHWARE round bottom, heavy wall, three neck flasks with a bottom outlet. Both the center neck and the vertical side necks are standard taper outer joints. The lower outlet is a 4mm straight bore PTFE stopcock. All sizes are hand blown from tubing to ensure uniform wall thickness.
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SYNTHWARE Microscale Pear-Shape Flasks
Kemtech AmericaPear Shape Flask, Threaded, Synthware, Capacity: 5, 10, and 25mL available, Joint: 14/10, Supplied with one open top compressioncap and one size 014 Viton O-ring and one PTFE-faced septa.
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SYNTHWARE Round Bottom Flasks
Kemtech AmericaSYNTHWARE round bottom boiling flasks with full length standard taper outer joint. All sizes are heavy wall design and are hand blown from borosilicate tubing to ensure uniform wall thickness.
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Round bottom flask with four necks arranged 3 in-line and one #7 Ace-Thred neck (ideal for suspending a thermometer or probe) at 90 degrees. The 500ml and 250ml sizes have angled side necks while the larger sizes feature vertical necks. Available in he