You Searched For: Round Bottom Flasks

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.

Specifically shaped for uniform heat distribution, the round bottom flasks are used for distillation, chemical reactions, heating liquid sample, and storage demands. Manufactured from resistant glass, the spherical containers will spread encountered stress evenly across surfaces to prevent fracturing. Built with temperature resistance, the glassware is an essential piece in reflux set-ups. Primarily used for chemical and biochemical research, the round bottom flasks have short or long neck options.


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Supplier: Ace Glass
Description: Distilling round-bottom flask coated with Ace Instatherm®

Small Business Enterprise Product available on GSA Advantage®

Supplier: Corning
Description: Flasks have tooled mouths for uniform stopper fit and carefully controlled wall thicknesses to maintain proper balance between thermal expansion and mechanical strength for optimal shock resistance
Supplier: Wilmad-LabGlass
Description: Available in various sizes, these borosilicate glass round bottom flasks have three necks - the center neck is vertical and the side necks are 180° apart and are inclined at an angle of 20° to the vertical

Supplier: DWK Life Sciences (KIMBLE)
Description: Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

Supplier: DWK Life Sciences (KIMBLE)
Description: Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.

Catalog Number: (14201-722)
Supplier: Wilmad-LabGlass
Description: These borosilicate glass heavy-wall, single neck, flat bottom flasks have a Standard Taper outer joint.


Supplier: Wards
Description: High quality round bottom boiling flasks with ground, interchangable joint.

Supplier: Chemglass
Description: Flasks feature a round bottom.

Small Business Enterprise

Supplier: Kemtech America
Description: Heavy wall design.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Kemtech America
Description: Heavy wall design.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Kemtech America
Description: Round bottom, four-neck flask with outer [ST] joints and a thermometer joint.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Wards
Description: High quality round bottom boiling flasks with a wide neck design.

Supplier: United Scientific Supplies
Description: Round bottom boiling flasks with three necks of equal socket joints.

Supplier: Technical Glass Products
Description: Fused Quartz consists of high-purity Silica (SiO2) with a purity level of 99.998%

Supplier: Wards
Description: High quality round bottom boiling flasks for chemistry classrooms and laboratories.

Supplier: Kemtech America
Description: Single-neck, flat-bottom flasks with an outer joint.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
In order to process your orders without delay, we request that you provide the required business documentation to purchase this product.

To order chemicals, medical devices, or other restricted products please provide identification that includes your business name and shipping address via email CMD_NA@vwr.com or fax 484.881.5997 referencing your VWR account number . Acceptable forms of identification are:

  • State issued document with your organization's Federal Tax ID Number
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  • City or County issued Business License
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  • Any other ID issued by the State that includes the business name and address

* Please note if your account is within the State of California two of these pieces of identification will be required.
VWR will not lift restrictions for residential shipping addresses.

-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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