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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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Catalog Number: (201-1367)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard glass ground joint, single neck, Borosilicate glass, Capacity: 1000 ml, Socket size: 29/32 NS, Height: 210 mm, Ext.Ø: 131 mm
UOM: 1 * 1 items


Catalog Number: (201-0908)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard glass ground joint, single neck, Borosilicate glass, Capacity: 50 ml, Socket size: 29/32 NS, Height: 105 mm, Ext.Ø: 51 mm
UOM: 1 * 1 items


Catalog Number: (LENZ07035037)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 100 ml, Height: 110 mm, Ext.Ø: 64 mm, Neck Ø ext.: 35 mm
UOM: 1 * 10 items


Catalog Number: (LENZ07035058)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 500 ml, Height: 168 mm, Ø ext.: 105 mm, Neck Ø ext.: 50 mm
UOM: 1 * 10 items


Catalog Number: (LENZ07035049)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 250 ml, Height: 143 mm, Ø ext.: 85 mm, Neck Ø ext.: 51 mm
UOM: 1 * 10 items


Catalog Number: (LENZ07035079)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 4000 ml, Height: 290 mm, Ø ext.: 206 mm, Neck Ø ext.: 76 mm
UOM: 1 * 1 items


Catalog Number: (LENZ07035070)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 1000 ml, Height: 200 mm, Ext.Ø: 131 mm, Neck Ø ext.: 50 mm
UOM: 1 * 10 items


Catalog Number: (LENZ07035028)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 50 ml, Height: 105 mm, Ext.Ø: 51 mm, Neck Ø ext.: 34 mm
UOM: 1 * 10 items


Catalog Number: (LENZ07035088)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 10000 ml, Height: 420 mm, Ext.Ø: 279 mm, Neck Ø ext.: 89 mm
UOM: 1 * 1 items


Catalog Number: (LENZ07035073)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flasks, round bottom, wide neck, beaded rim, DURAN® Borosilicate glass, Capacity: 2000 ml, Height: 240 mm, Ext.Ø: 166 mm, Neck Ø ext.: 50 mm
UOM: 1 * 10 items


Catalog Number: (201-1177)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 100 ml, Centre neck: 24/29 NS, Side necks: 14/23 NS, Ext.Ø: 64 mm
UOM: 1 * 1 items


Catalog Number: (201-0613)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 25 ml, Centre neck: 14/23 NS, Side necks: 14/23 NS, Ext.Ø: 41 mm
UOM: 1 * 1 items


Catalog Number: (201-1504)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 14/23 NS, Ext.Ø: 105 mm
UOM: 1 * 1 items


Catalog Number: (201-1503)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 250 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 85 mm
UOM: 1 * 1 items


Catalog Number: (201-1510)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 2000 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ø ext.: 166 mm
UOM: 1 * 1 items


Catalog Number: (201-1505)
Supplier: Lenz Laborglas GmbH & CO.KG
Description: Flask, round bottom, Standard ground joints, three necks, angled side necks, DURAN® Borosilicate glass, Capacity: 500 ml, Centre neck: 29/32 NS, Side necks: 29/32 NS, Ext.Ø: 105 mm
UOM: 1 * 1 items


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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 +43 1 97002 - 0.
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 +43 1 97002 - 0.
Dual use goods can only be delivered within the European Union.
Dual use goods can only be delivered within the European Union.
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 +43 1 97002 - 0.
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