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™ Two Neck Pear Shaped Flasks

Used for filtration followed by recrystallization on opposite side of disc of air sensitive compounds

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Specifications

Description	Two neck pear shaped flask
Standard Taper Joint	Center: 14/20; Side: 14/20

Synthware™ Single Neck Pear Shaped Flasks

With standard taper outer joint

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Synthware™ Three Neck Flask, Vertical

Three Neck Flask with standard taper outer joints on both center and vertical side necks.

Pricing & Availability
Specifications

Disposable	Reusable
Mouth Style	Beaded
Product Type	Three-neck Flask
Graduated	No
Bottom Shape	Round
Material	Borosilicate Glass (3.3)
Autoclavable	Autoclavable
Sterility	Non-sterile

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

Pricing & Availability
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™ 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™ 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™ 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 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

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Specifications

Description	Short neck round bottom flask

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

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

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, Wide Neck

Flat bottom boiling flasks made from high quality borosilicate glass. The flasks are ideal for dealing with liquids at different temperatures due to their thick-walled design. Flasks have a wide neck and beaded rim as per DIN ISO 24450 standard

Pricing & Availability
Specifications

Disposable	Reusable
Neck Style	Wide
Mouth Style	Beaded
Color	Clear
Graduated	No
Bottom Shape	Flat
Material	Borosilicate Glass (3.3)
Autoclavable	Autoclavable
For Use With (Application)	Heating liquids
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™ Two Neck Pear Shaped Flasks Greener ChoiceOffers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”Learn More

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

Synthware™ Three Neck Flask, Vertical 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™ 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™ Pear Shaped Flasks, Threaded 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 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™ Jacketed Round Bottom Flask 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

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

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