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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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Product Image-89085-116

Flask, Pear Shaped, Single-Neck, Heavy Wall, Ace Glass Incorporated

Supplier: Ace Glass
Description: A pear-shaped distilling flask with a ground or polished outer standard taper joint at top

Small Business Enterprise Product available on GSA Advantage®

Product Image-89056-432

Round-Bottom Four-Neck Flasks, Threaded Neck, Ace Glass

Supplier: Ace Glass
Description: Round-bottom flasks with three [ST] outer joints and #7 Ace-Thred neck

Small Business Enterprise Product available on GSA Advantage®

Product Image-89083-908

Round-Bottom Three-Neck Flasks, Vertical Necks, Standard Walls, Ace Glass Incorporated

Supplier: Ace Glass
Description: Round-bottom flasks with three vertical necks and [ST] outer joints

Small Business Enterprise Product available on GSA Advantage®

Product Image-89057-120

Round-Bottom Four-Neck Flasks, Thermometer Joint, Ace Glass

Supplier: Ace Glass
Description: Round-bottom flasks with four necks and [ST] outer joints

Small Business Enterprise Product available on GSA Advantage®

Product Image-89075-044

Mini-Lab Assembly Flask, Ace Glass Incorporated

Supplier: Ace Glass
Description: The flask is fabricated with an ACE standard taper 45/50 joint and is available in either 50 or 100 mL capacity

Small Business Enterprise Product available on GSA Advantage®

Product Image-89074-576

Jacketed Flask with Polished Joint, Ace Glass Incorporated

Catalog Number: (89074-576)
Supplier: Ace Glass
Description: Jacketed version of standard flasks

Small Business Enterprise Product available on GSA Advantage®


Product Image-89000-980

KIMAX® Flat-Bottom Florence Boiling Flasks, Reinforced Tooled Top, Kimble Chase

Supplier: DWK Life Sciences (KIMBLE)
Description: Flasks have a low coefficient of expansion to resist thermal shock

Product Image-14209-468

SP Wilmad-LabGlass Round Bottom Short Single Neck Flasks, SP Industries

Supplier: Wilmad-LabGlass
Description: With excellent chemical durability for contamination-free results, these short neck, borosilicate glass, round bottom boiling flasks have a single neck with a full-length Standard Taper outer joint.

Product Image-22108-588

PYREX® Short Neck Boiling Flask, Round Bottom, [ST] Joint, Corning

Supplier: Corning
Description: Boiling flasks with full length [ST] outer joints are manufactured from borosilicate glass.

Certificates Environmentally Preferable Product available on GSA Advantage®

Image Unavailable-89056-608

Round-Bottom Three-Neck Flasks, Vertical Necks, Heavy Walls, Ace Glass Incorporated

Supplier: Ace Glass
Description: Round-bottom flasks with three vertical necks and [ST] outer joints

Small Business Enterprise Product available on GSA Advantage®

Product Image-89056-834

Round-Bottom Three-Neck Flasks, Angled Side Necks, Heavy Wall, Ace Glass Incorporated

Supplier: Ace Glass
Description: These round-bottom flasks have angled side necks and [ST] outer joints

Small Business Enterprise Product available on GSA Advantage®

Product Image-89057-084

Round-Bottom Four-Neck Flasks, Ace Glass Incorporated

Supplier: Ace Glass
Description: These round-bottom flasks have four [ST] outer joints

Small Business Enterprise Product available on GSA Advantage®

Product Image-14210-666

SP Wilmad-LabGlass Round Bottom Vertical Angled Three Neck Flasks, SP Industries

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

Product Image-76291-864

Instatherm® Round Bottom Flasks with Three Necks, Ace Glass Incorporated

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

Product Image-89057-288

Flask, Tapered Wall, Four Necks, One #7 Ace-Thred, Ace Glass Incorporated

Supplier: Ace Glass
Description: This flask has walls tapered inward toward the bottom

Small Business Enterprise Product available on GSA Advantage®

Product Image-89054-864

Spherical Reaction Flask with KF Plane Flange, Ace Glass Incorporated

Catalog Number: (89054-864)
Supplier: Ace Glass
Description: Spherical reaction flask with flat, ground KF flange and bottom outlet. Supplied with capacity reference graduations. Side sample port is angled at 45° (Duran style flange 2.5" in diameter). Main flange opening uses 89055-274 clamp and 89055-286 gasket. Each flask is supplied with one CAPFE (PTFE encapsulated silicone) o-ring for side port. All have 60 mm Angled Access Port, and Bottom Outlet.

Small Business Enterprise Product available on GSA Advantage®


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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
  • State issued document with your organization's Resale Tax ID Number
  • City or County issued Business License
  • State Department of Health Services License
  • 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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