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You Searched For: Flasks

Flat bottom flasks for heated chemical reactions or distillations are offered at VWR. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes. Some flat bottom flasks conform to ASTM requirements. Purchase items individually or in packs.

Flat bottom flasks for heated chemical reactions or distillations are offered at VWR. Borosilicate glass models feature heavy wall construction in an array of capacities. Select a short or long neck flask to suit your purpose. A reinforced standard taper (24/40) outer joint is offered for most models, however some options do feature other joint sizes. Some flat bottom flasks conform to ASTM requirements. Purchase items individually or in packs.


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Supplier: VWR International
Description: The flasks come with uniform wall thickness which makes these flasks ideal for heating.
Supplier: Glassco
Description: Heavy wall design
Supplier: Ace Glass
Description: Single-neck flask with a short neck and a reinforced standard taper 24/40 outer joint

Product available on GSA Advantage® Small Business Enterprise

Supplier: SP Industries
Description: These borosilicate glass freeze drying replacement flasks for VirTis® lyophilizing equipment have extra-wide openings for efficient shell freezing.

Supplier: DWK Life Sciences (KIMBLE)
Description: Single neck flat bottom flask with a Standard Taper outer joint.
Supplier: Ace Glass
Description: Complete "fast-freeze" flask with snap-on rubber cap and 1/2" or 3/4" O.D.

Product available on GSA Advantage® Small Business Enterprise

Supplier: Ace Glass
Description: Reaction Flasks with 5 neck flat head and flat ground Duran® flange

Small Business Enterprise

Supplier: Ace Glass
Description: This flat-bottom flask has a single long neck with a reinforced [ST] 24/40 outer joint

Product available on GSA Advantage® Small Business Enterprise

Catalog Number: (29140-607)
Supplier: DWK Life Sciences (KIMBLE)
Description: KIMAX® flask with three indentations spaced 120 degrees apart


Supplier: Labconco
Description: Fast-Freeze® Flasks for FreeZone® Freeze Dry Systems are designed to be easier to handle, faster to load, and more convenient to use in the laboratory...

Product available on GSA Advantage®

Supplier: United Scientific Supplies
Description: Boiling flasks with ground glass joints are made from low-expansion borosilicate glass.

New Product

Supplier: Chemglass
Description: These flat bottom borosilicate flask can be used with Labconco and Virtis freeze dryers.

Small Business Enterprise

Supplier: Chemglass
Description: Single neck, flat bottom flask with a standard taper outer joint.

Small Business Enterprise

Supplier: Genevac
Description: The miVac SpeedTrap can be used in conjunction with a Super Vacuum pump.

Supplier: Wards
Description: High quality flat bottom boiling flasks with ground, interchangeable joint.

Supplier: Chemglass
Description: Heavy wall single neck flask with a standard taper outer joint.

Small 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.
You must log in to order restricted items. We request that you provide the required business documentation to purchase this product for the first time.

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:

  • issued document with your organization's Federal Tax ID Number
  • Government issued document with your organization's Resale Tax ID Number
  • Any other Government ID that includes the business name and address


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 currently unavailable but limited stock may be available in our extended warehouse network. Please call 1-800-932-5000 and a VWR Customer Service Representative will help you.
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