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Laboratory Flasks

High-Quality Laboratory Flasks for Diverse Applications

Equip your laboratory with our comprehensive selection of Laboratory Flasks, precision-engineered to support a wide range of scientific and industrial processes. From routine mixing to advanced cell culture and chemical synthesis, our collection features high-durability glassware and specialized plasticware from industry-leading manufacturers.

Specialized Flask Types in This Collection

We carry trusted industry brands including Corning Pyrex, Chemglass, VWR, and Thermo Scientific, ensuring your facility has access to borosilicate glass and high-purity polymers that meet the highest laboratory standards.

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Kontes Round Bottom Flask 3 Neck 3000 ml Morton with 24/40 Joints Straight Glassware DWK Kontes Save 36% Save %

Kontes Round Bottom Flask 3 Neck 3000 ml Morton with 24/40 Joints Straight

DWK Kontes
$375.00
$375.00 - $375.00
$375.00
$240.00
$240.00 - $240.00
$240.00
Only 1 left!

The Kontes 609400 Round Bottom Flask is a laboratory vessel featuring a spherical body with three distinct necks, each equipped with a 24/40 standa...

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$375.00
$375.00 - $375.00
$375.00
$240.00
$240.00 - $240.00
$240.00
Save 36% Save %
Chemglass Evaporating Flask 100 ml 19/22 Upper Joint Lab Flasks Chemglass Save 33% Save %

Chemglass Evaporating Flask 100 ml 19/22 Upper Joint

Chemglass
$57.00
$57.00 - $57.00
$57.00
$38.00
$38.00 - $38.00
$38.00
Only 1 left!

The Chemglass CG-1512-58 is a heavy-wall, pear-shaped evaporating flask designed for use with rotary evaporators. Its 100 mL capacity and specific ...

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$57.00
$57.00 - $57.00
$57.00
$38.00
$38.00 - $38.00
$38.00
Save 33% Save %
Chemglass Evaporating Flask 100 ml 19/22 Upper Joint Lab Flasks Chemglass Save 33% Save %

Chemglass Evaporating Flask 100 ml 19/22 Upper Joint

Chemglass
$57.00
$57.00 - $57.00
$57.00
$38.00
$38.00 - $38.00
$38.00
Only 1 left!

The Chemglass CG-1512-58 is a heavy-wall, pear-shaped evaporating flask designed for use with rotary evaporators. Its 100 mL capacity and specific ...

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$57.00
$57.00 - $57.00
$57.00
$38.00
$38.00 - $38.00
$38.00
Save 33% Save %
Chemglass Pear Shaped Flask 100 ml Heavy Wall 24/40 Outer Joint Lot of 3 Flasks Lab Flasks Chemglass
Save 37% Save %

Chemglass Pear Shaped Flask 100 ml Heavy Wall 24/40 Outer Joint Lot of 3 Flasks

Chemglass
$150.00
$150.00 - $150.00
$150.00
$95.00
$95.00 - $95.00
$95.00
Only 1 left!

The Chemglass CG-1554-02 is a professional-grade, pear-shaped boiling flask designed for high-performance laboratory applications. Its heavy-wall c...

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$150.00
$150.00 - $150.00
$150.00
$95.00
$95.00 - $95.00
$95.00
Save 37% Save %
Corning PYREX Determination Flask Only 125 ml Lot of 2 Flasks Glassware Corning
Save 29% Save %

Corning PYREX Determination Flask 125 ml Lot of 2 Flasks

Corning
$101.00
$101.00 - $101.00
$101.00
$71.25
$71.25 - $71.25
$71.25
Only 1 left!

The Corning 5400-125 PYREX Determination Flask is a 125 ml capacity flask specifically designed for various analytical determinations, particularly...

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$101.00
$101.00 - $101.00
$101.00
$71.25
$71.25 - $71.25
$71.25
Save 29% Save %
Pyrex 50 ml Heavy Wall Pear Shaped Boiling Glass 14/20 Standard Taper Joint Set of 9 Glassware PYREX
Save 10% Save %

Pyrex 50 ml Heavy Wall Pear Shaped Boiling Glass 14/20 Standard Taper Joint Set of 9

PYREX
$100.00
$100.00 - $100.00
$100.00
$90.00
$90.00 - $90.00
$90.00
Only 1 left!

Pyrex 4315-50 50 ml Heavy Wall Pear Shaped Boiling Glass 14/20 Standard Taper Joint Set of 9. This set includes nine Pyrex 4315-50 Heavy Wall Pear ...

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$100.00
$100.00 - $100.00
$100.00
$90.00
$90.00 - $90.00
$90.00
Save 10% Save %
Chemglass Receiving Flask 50 ml with Hooks 24/40 Joints Glassware Chemglass
Save 27% Save %

Chemglass Receiving Flask 50 ml with Hooks 24/40 Joints

Chemglass
$52.00
$52.00 - $52.00
$52.00
$38.00
$38.00 - $38.00
$38.00
Only 1 left!

The Chemglass CG-1279-04 Receiving Flask is a 50 mL capacity flask specifically designed for use in vacuum distillation setups, especially when col...

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$52.00
$52.00 - $52.00
$52.00
$38.00
$38.00 - $38.00
$38.00
Save 27% Save %
Corning 50 ml Micro Filtering Flask with Sidearm Hose Barb - Lot of 6 Flasks Glassware Corning
Save 48% Save %

Corning 50 ml Micro Filtering Flask with Sidearm Hose Barb - Lot of 6 Flasks

Corning
$184.00
$184.00 - $184.00
$184.00
$95.00
$95.00 - $95.00
$95.00
2 in stock

The Corning PYREX 5360-50 Micro Filtering Flask is a set of six small-capacity laboratory flasks designed for simple vacuum filtration and aspirati...

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$184.00
$184.00 - $184.00
$184.00
$95.00
$95.00 - $95.00
$95.00
Save 48% Save %
Corning Pyrex Filter Flask Heavy Wall with Sidearm Hose Barb Glassware Corning
Save 56% Save %

Corning Pyrex Filter Flask Heavy Wall with Sidearm Hose Barb

Corning
$214.00
$214.00 - $214.00
$214.00
$95.00
$95.00 - $95.00
$95.00
Only 1 left!

The Corning 5340-2L Pyrex Filter Flask is a 2000 mL (2 Liter) capacity flask specifically designed for vacuum filtration applications in a laborato...

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$214.00
$214.00 - $214.00
$214.00
$95.00
$95.00 - $95.00
$95.00
Save 56% Save %
PYREX 50 ml Round Bottom Short Neck Boiling Flask 19/38 Outer Joint - Lot of 3 Flasks Glassware Corning
Save 75% Save %

PYREX 50 ml Round Bottom Short Neck Boiling Flask 19/38 Outer Joint - Lot of 3 Flasks

Corning
$187.50
$187.50 - $187.50
$187.50
$47.50
$47.50 - $47.50
$47.50
Only 1 left!

The Gold Standard for Durability and Uniform Heating Equip your lab with this set of three (3) PYREX 5320-50 Round Bottom Boiling Flasks. Known wor...

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$187.50
$187.50 - $187.50
$187.50
$47.50
$47.50 - $47.50
$47.50
Save 75% Save %
Ace Glass Round Bottom Flask Vertical 3-Neck 2000 ml 24/40 SN 34/45 CN Glassware Ace Glass
Save 5% Save %

Ace Glass Round Bottom Flask Vertical 3-Neck 2000 ml 24/40 SN 34/45 CN

Ace Glass
$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Only 1 left!

The Ace Glass 6944-46 Round Bottom Flask is a 2000 mL vertical three-neck flask designed for multi-access chemical reactions and distillations. It ...

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$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Save 5% Save %
Assorted PYREX and Aldrich 50 ml Single Neck Round Bottom Flask 24/40 Standard Taper Outer Joint- Lot of 4 Flasks Glassware PYREX
Save 74% Save %

Assorted PYREX and Aldrich 50 ml Single Neck Round Bottom Flask 24/40 Standard Taper Outer Joint- Lot of 4 Flasks

PYREX
$180.00
$180.00 - $180.00
$180.00
$47.50
$47.50 - $47.50
$47.50
Only 1 left!

Trusted Brands for Essential Small-Scale Evaporation and Synthesis Bolster your glassware inventory with this assorted set of four (4) 50 mL Single...

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$180.00
$180.00 - $180.00
$180.00
$47.50
$47.50 - $47.50
$47.50
Save 74% Save %
Kontes Bantam-Ware and Synthware Pear Shaped Flasks 50 ml 14/20 Outer Joint Lot of 8 Flasks Glassware Kimble
Save 5% Save %

Kontes Bantam-Ware and Synthware Pear Shaped Flasks 50 ml 14/20 Outer Joint Lot of 8 Flasks

Kimble
$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Only 1 left!

The Kontes 294250-0050 Bantam-Ware and Synthware pear shaped flasks are laboratory glassware designed for heating, mixing, and conducting chemical ...

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$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Save 5% Save %
KIMAX Volumetric Flask Class B 10 ml Stopper No. 9 Lot of 7 Flasks Glassware Kimble
Save 5% Save %

KIMAX Volumetric Flask Class B 10 ml Stopper No. 9 Lot of 7 Flasks

Kimble
$75.00
$75.00 - $75.00
$75.00
$71.25
$71.25 - $71.25
$71.25
Only 1 left!

The Kimble Kimax® (Model 28015-10) Volumetric Flask is a precision laboratory vessel designed for general purpose liquid preparation and dilution. ...

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$75.00
$75.00 - $75.00
$75.00
$71.25
$71.25 - $71.25
$71.25
Save 5% Save %
KIMAX Volumetric Flask Class A 10 ml Stopper No. 9 Lot of 11 Flasks Glassware Kimble
Save 5% Save %

KIMAX Volumetric Flask Class A 10 ml Stopper No. 9 Lot of 11 Flasks

Kimble
$300.00
$300.00 - $300.00
$300.00
$285.00
$285.00 - $285.00
$285.00
2 in stock

The Kimble (KIMAX) 28014-10 Volumetric Flask is a precision instrument engineered for the preparation of standard solutions and quantitative analys...

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$300.00
$300.00 - $300.00
$300.00
$285.00
$285.00 - $285.00
$285.00
Save 5% Save %
Kimble KIMAX 26500-25 Erlenmeyer Flask 25 ml Fits Stopper No. 0 Lot of 6 Flasks Glassware Kimble
Save 5% Save %

Kimble KIMAX 26500-25 Erlenmeyer Flask 25 ml Fits Stopper No. 0 Lot of 6 Flasks

Kimble
$50.00
$50.00 - $50.00
$50.00
$47.50
$47.50 - $47.50
$47.50
9 in stock

The Kimble KIMAX 26500-25 Erlenmeyer Flask is a 25 mL borosilicate glass flask designed to accept a No. 0 stopper, making it suitable for secure se...

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$50.00
$50.00 - $50.00
$50.00
$47.50
$47.50 - $47.50
$47.50
Save 5% Save %
Chemglass Evaporating Flask 2000 ml Plastic Coated with 24/40 Joint Glassware Chemglass
Save 29% Save %

Chemglass Evaporating Flask 2000 ml Plastic Coated with 24/40 Joint

Chemglass
$266.00
$266.00 - $266.00
$266.00
$190.00
$190.00 - $190.00
$190.00
Only 1 left!

The Chemglass CG-1512-P-35 Evaporating Flask is a specialized, spherical laboratory flask designed for use with a rotary evaporator. It has a 2000 ...

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$266.00
$266.00 - $266.00
$266.00
$190.00
$190.00 - $190.00
$190.00
Save 29% Save %
Buchi Evaporating Flask 2000 ml Heavy Wall with 50 mm Flange Glassware BUCHI
Save 37% Save %

Buchi Evaporating Flask 2000 ml Heavy Wall with 50 mm Flange

BUCHI
$270.00
$270.00 - $270.00
$270.00
$171.00
$171.00 - $171.00
$171.00
Only 1 left!

The Büchi Evaporating Flask is a large, specialized piece of glassware designed as the primary vessel for holding the sample and solvent on a Büchi...

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$270.00
$270.00 - $270.00
$270.00
$171.00
$171.00 - $171.00
$171.00
Save 37% Save %
Ace Glass Pear Shaped Flasks 50 ml 14/20 Outer Joint- Lot of 9 Flasks Glassware Ace Glass
Save 5% Save %

Ace Glass Pear Shaped Flasks 50 ml 14/20 Outer Joint- Lot of 9 Flasks

Ace Glass
$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Only 1 left!

The Ace Glass 9477-08 Pear Shaped Flask is a 50 mL borosilicate glass flask featuring a 14/20 outer ground joint, designed for secure connections i...

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$90.00
$90.00 - $90.00
$90.00
$85.50
$85.50 - $85.50
$85.50
Save 5% Save %
VWR Pyrex Volumetric Flask 100 ml Class A Lot of 10 Flasks Glassware Corning
Save 68% Save %

VWR Pyrex Volumetric Flask 100 ml Class A Lot of 10 Flasks

Corning
$450.00
$450.00 - $450.00
$450.00
$142.00
$142.00 - $142.00
$142.00
Only 1 left!

The VWR 5640-100 Pyrex Volumetric Flask is a precision laboratory instrument designed for preparing solutions of a specific, known concentration. T...

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$450.00
$450.00 - $450.00
$450.00
$142.00
$142.00 - $142.00
$142.00
Save 68% Save %
Chemglass 500 ml Round Bottom 3 Neck Flask Heavy Wall 24/40 Standard Taper Outer Joints (Copy) Glassware Chemglass
Save 5% Save %

Chemglass 500 ml Round Bottom 3 Neck Flask Heavy Wall 24/40 Standard Taper Outer Joints (Copy)

Chemglass
$80.00
$80.00 - $80.00
$80.00
$76.00
$76.00 - $76.00
$76.00
3 in stock

Chemglass CG-1522-05 500 ml Round Bottom 3 Neck Flask. This Chemglass 500 ml round bottom flask features three necks and a heavy wall design, equip...

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$80.00
$80.00 - $80.00
$80.00
$76.00
$76.00 - $76.00
$76.00
Save 5% Save %
Chemglass 2000 ml Round Bottom 3 Neck Flask Heavy Wall 24/40 Standard Taper Outer Joints Glassware Chemglass
Save 46% Save %

Chemglass 2000 ml Round Bottom 3 Neck Flask Heavy Wall 24/40 Standard Taper Outer Joints

Chemglass
$279.00
$279.00 - $279.00
$279.00
$152.00
$152.00 - $152.00
$152.00
Only 1 left!

Chemglass CG-1522-50 2000 ml Round Bottom 3 Neck Flask. This Chemglass 2000 ml round bottom flask features three necks and a heavy wall design, equ...

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$279.00
$279.00 - $279.00
$279.00
$152.00
$152.00 - $152.00
$152.00
Save 46% Save %
Corning Pyrex Round Bottom Flask Vertical 3 Neck Heavy Wall 5L CN 45/50 SN 24/40 Glassware Corning

Corning Pyrex Round Bottom Flask Vertical 3 Neck Heavy Wall 5 L CN 45/50 SN 24/40

Corning
$475.00 - $475.00
$475.00
$500.00
$500.00 - $500.00
$500.00
Only 1 left!

Corning Pyrex CLS49605L Round Bottom Flask Vertical 3 Neck Heavy Wall 5L CN 45/50 SN 24/40. The Corning Pyrex CLS49605L Round Bottom Flask is a hig...

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$475.00 - $475.00
$475.00
$500.00
$500.00 - $500.00
$500.00
Chemglass 50 ml Single Neck Evaporating Flask 14/20 Outer Joint Set of 6 Glassware Chemglass
Save 5% Save %

Chemglass 50 ml Single Neck Evaporating Flask 14/20 Outer Joint Set of 6

Chemglass
$70.00
$70.00 - $70.00
$70.00
$66.50
$66.50 - $66.50
$66.50
4 in stock

Chemglass CG-1512-55 50 ml Single Neck Evaporating Flask 14/20 Outer Joint Set of 6. This collection features six Chemglass 50 ml single neck evapo...

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$70.00
$70.00 - $70.00
$70.00
$66.50
$66.50 - $66.50
$66.50
Save 5% Save %