Boiling Flasks

Boiling flasks are used for heating and boiling of liquids. The flasks are designed to have round bodies with long, thin necks to facilitate uniform heat distribution and minimize evaporation. Boiling flasks are typically made of borosilicate glass, which is resistant to thermal shock and chemicals. Some boiling flasks have rounded or conical bottoms and need support to stand upright, while others have flat bottoms and can stand alone.

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Synthware™ Flask, Round Bottom, Long Neck 25 mL

Borosilicate glass flask

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StatLab MasterTech Colloidal Iron Stock

Used to identify and visualize acidic mucins within tissue samples

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Synthware™ 4-Neck Round Bottom Flasks with Threaded Side Arm

For insertion of plan thermometers or bleed tubes having an O.D. between 5.0-7.0 mm

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Specifications

Description	Round bottom flask, 4-neck with threaded side arm
Mouth Style	Rimmed
Graduated	No
Bottom Shape	Round
Class	A
Material	Borosilicate Glass (3.3)
Closure Type	Glass Stopper
Autoclavable	Autoclavable
Sterility	Non-sterile

Synthware™ Flat Bottom Flask, Single Neck

All sizes are hand blown from tubing to ensure a uniform wall thickness

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Synthware™ Round Bottom Flasks, 4-Neck

With standard taper outer joints on both the center and vertical side necks

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Specifications

Description	Round bottom flask, 4-Neck

Synthware™ Three Neck Round Bottom Flasks, Vertical Side Neck with Bottom Outlet

With standard taper outer joints on both center and vertical side necks

Pricing & Availability
Specifications

Description	Round Bottom Flask, 3-Neck Bottom Outlet

Synthware™ Pear Shaped Flasks, Threaded

For microscale applications

Pricing & Availability
Specifications

Disposable	Reusable
Description	Pear Shaped Flask
Mouth Style	Rimmed
Standard Taper Joint	14/10
Closure Size	14/10
Graduated	No
Class	A
Material	Borosilicate Glass (3.3)
Closure Type	Membrane Screw Cap
Autoclavable	Autoclavable
Sterility	Non-sterile

Synthware™ Round Bottom Flasks, 4-Neck, Angled Side Necks

With standard taper outer joints on both center and angled side necks

Pricing & Availability
Specifications

Description	Round bottom flask, 4-Neck, Angled

Synthware™ Round Bottom Flask with Threaded Inlet

Round bottom, single short neck flask with a standard taper outer joint

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Synthware™ Round Bottom Flasks with Hooks

Short neck with standard taper outer joint

Pricing & Availability
Specifications

Description	Short neck round bottom flask

Synthware™ Three Neck Half-Jacketed Flask

Jacketed body to allow circulation of heating or cooling liquid. Flask also has a outlet on the bottom.

Pricing & Availability
Specifications

Color	Clear
Material	Borosilicate Glass (3.3)
For Use With (Application)	Organic Synthesis

Synthware™ Round Bottom Flasks, Threaded

For microscale applications

Pricing & Availability
Specifications

Disposable	Reusable
Description	Round Bottom Flask, Threaded
Mouth Style	Rimmed
Standard Taper Joint	14/10
Closure Size	14/10
Graduated	No
Bottom Shape	Round
Class	A
Material	Borosilicate Glass (3.3)
Closure Type	Membrane Screw Cap
Autoclavable	Autoclavable
Sterility	Non-sterile

Synthware™ Jacketed Round Bottom Flask

Jacketed body to allow circulation of heating or cooling liquid

Pricing & Availability
Specifications

Color	Clear
Material	Borosilicate Glass (3.3)
For Use With (Application)	Organic Synthesis

United Scientific™ Boiling Flasks, Round Bottom, Ground Glass Joint, Borosilicate Glass

Round bottom boiling flasks with ground glass joints (24/40).

Pricing & Availability
Specifications

Disposable	Reusable
Mouth Style	Joint
Product Type	Boiling Flask
Graduated	No
Bottom Shape	Round
Material	Borosilicate Glass
Autoclavable	Autoclavable
Sterility	Non-sterile

Eisco™ Flat Bottom Boiling Flasks with Interchangeable Joint

High quality borosilicate 3.3 glass flat bottom boiling flasks feature short necks and interchangeable joints.

Pricing & Availability
Specifications

Disposable	Reusable
No. of Positions	1
Neck Style	Short
Description	Interchangeable joint
Mouth Style	Joint
Product Type	Boiling Flasks
Color	Clear
Quantity	1
Graduated	No
Bottom Shape	Flat
Material	Borosilicate Glass (3.3)
Autoclavable	Autoclavable
Sterility	Non-sterile

Boiling Flasks

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Synthware™ Flask, Round Bottom, Long Neck 25 mL Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ 4-Neck Round Bottom Flasks with Threaded Side Arm Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Flat Bottom Flask, Single Neck Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Round Bottom Flasks, 4-Neck Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Three Neck Round Bottom Flasks, Vertical Side Neck with Bottom Outlet Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Pear Shaped Flasks, Threaded Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Round Bottom Flasks, 4-Neck, Angled Side Necks Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Round Bottom Flask with Threaded Inlet Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Round Bottom Flasks with Hooks Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Three Neck Half-Jacketed Flask Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Round Bottom Flasks, Threaded Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

Synthware™ Jacketed Round Bottom Flask Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

United Scientific™ Boiling Flasks, Round Bottom, Ground Glass Joint, Borosilicate Glass Science EducationA science education product.

Eisco™ Flat Bottom Boiling Flasks with Interchangeable Joint Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More Science EducationA science education product.