Glass Flasks

Glass Flasks

Flasks come in a variety of shapes and sizes and a specified volume measured in metric units such as milliliters (mL) or liters (L). We offer Erlenmeyer, Buchner, and Volumetric Flasks manufactured from the highest quality materials for use in the lab. Laboratory flasks have traditionally been made of glass, but they are also available in plastic-coated-glass varieties.

At the opening at top of round-bottom flasks and volumetric flasks, there are often outer tapered joints. Some flasks, especially volumetric flasks, come with a stopper or cap made of glass, plastic or Teflon®. Flasks which do not come with stoppers may be capped with a rubber bung or cork stopper. (Appropriate bung sizes are noted on each product page.)

Flasks are ideal for volumetrically measuring chemicals, samples, and solutions for chemical reactions or other processes such as mixing, heating, cooling, dissolving, precipitation, distillation, or analysis.

Click on the part numbers below for more information and to place an order. If you cannot find what you're looking for, please call us at 888.322.5722 for immediate assistance.

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  • 5 +/- 0.08mL Capacity, #13 Stopper Size, Orange Stopper Handle Color, Approx 96mm Height with Stopper

    5 +/- 0.08mL Capacity, #13 Stopper Size, Orange Stopper Handle Color, Approx 96mm Height with Stopper

    Chemglass Life Sciences

    Price: $49.75
    Flask, Volumetric, 5mL, Heavy Wall, Wide Mouth Large Numbers, Flat Bottom, Class A, TC Supplied With PTFE Stopper. Approx 96mm Height with Stopper. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior...
    CG-1617-05
    Price: $49.75
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  • Erlenmeyer Flask Set, 100mL, 250mL & 500mL, Narrow Neck, White Ink, Borosilicate 3.3 Glass

    Erlenmeyer Flask Set, 100 ml, 250 ml & 500 ml, Narrow Neck, White Ink, 3.3 Borosilicate Glass

    Eisco Labs

    Price: $28.26
    3 piece Erlenmeyer Flask set made of high quality, heavy duty, borosilicate 3.3 glass. Includes three, narrow neck flasks with 100mL, 250mL & 500mL capacities. Flasks feature white, printed graduations, and beaded rims. Uniform, thick walls provide...
    EIS-CH196032
    Price: $28.26
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  • Erlenmeyer Flask Set, 500mL, 1000mL & 2000mL, Narrow Neck, White Ink, Borosilicate 3.3 Glass

    Erlenmeyer Flask Set, 500 ml, 1000 ml & 2000 ml, Narrow Neck, White Ink, 3.3 Borosilicate Glass

    Eisco Labs

    Price: $77.01
    Three piece Erlenmeyer Flask set made of high quality, heavy duty, borosilicate 3.3 glass. Includes three, narrow neck flasks with 500mL, 1000mL & 2000mL capacities. Flasks feature white, printed graduations, and beaded rims. Uniform, thick walls provide...
    EIS-CH196033
    Price: $77.01
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  • Erlenmeyer Flask, Borosilicate, 50mL, case/12

    Erlenmeyer Flask, Borosilicate, 50 ml, case/12

    Eisco Labs

    Price: $39.20
    Borosilicate glass Erlenmeyer flasks. 50mL capacity, 25 mL graduations, Narrow neck. Each flask measures 3.3" tall, and has a base diameter of 2". Inner diameter of neck measures 18mm, and outer diameter of neck measures 23mm.Eisco® proudly...
    EIS-FL0702
    Price: $39.20
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  • Glass Round Bottom Flask, Long Neck, 14/20 OJ, 25mL, Heavy Wall

    Glass Round Bottom Flask, Long Neck, 14/20 OJ, 25mL, Heavy Wall

    Chemglass Life Sciences

    Price: $66.10
    Flask, Round Bottom, 25mL, 14/20, Heavy Wall, Long Neck. 25 mL Glass Flask, Heavy Wall Single Long Neck Round Bottom, 14/20 Outer Joint. Round bottom, HEAVY WALL single long neck flask with a standard taper outer joint. Flasks with joint sizes other than...
    CG-1510-32
    Price: $66.10
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  • Glass Single Neck Evaporation Flask 24/40 OJ, Plastic Coated, 200mL

    Glass Single Neck Evaporation Flask 24/40 OJ, Plastic Coated, 200 ml

    Chemglass Life Sciences

    Price: $100.68
    Flask, Evaporating, Single Neck, Plastic Coated 200mL, 24/40 Outer Joint. Plastic coated to prevent injury from broken glass, and also prevents spillage of hazardous materials. Evaporating flask for use with rotary evaporators. Do not use over 60 C...
    CG-1512-P-05
    Price: $100.68
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  • Nalgene® 4150-9000 Dewar Flask, HDPE, 10 Liter

    Nalgene® 4150-9000 Dewar Flask, HDPE, 10 Liter

    Nalgene

    Price: $793.50
    Nalgene Benchtop Flasks are used for short term storage of samples in liquid nitrogen, dry ice-solvent mixtures or ice water. High density polyethylene base and HDPE cover with polyethylene coated handle for strong, shatterproof performance...
    NG-4150-9000
    Price: $793.50
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  • Volumetric Flask, 100mL, Class A Tolerance +/-0.10mL, 14/23 PP Stopper, Single Graduation Mark, Amber Color Borosilicate Glass

    Volumetric Flask, 100 ml, Class A Tolerance +/-0.10 ml, 14/23 PP Stopper, Single Graduation Mark, Amber Color Borosilicate Glass

    Eisco Labs

    Price: $19.59
    Volumetric Flask, 100mL, Class A Tolerance +/-0.10mL, 14/23 Polypropylene Stopper, Single Graduation Mark, Amber Color Borosilicate Glass. 100mL capacity volumetric flask made of high quality, heavy duty borosilicate 3.3 glass. Class A tolerance,...
    EIS-CH1960F
    Price: $19.59
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  • Erlenmeyer Filtering Flask, Hose Connection, 125mL, case/6

    Erlenmeyer Filtering Flask, Hose Connection, 125mL, case/6

    Chemglass Life Sciences

    Price: $272.49
    Flask, 125mL, Filtering, # 5 Rubber Stopper, With Hose Connections, These small filtering flasks are recommended for microchemical use. All flasks have permanent white enamel marking spots. These small filtering flasks are recommended for microchemical...
    CG-8522-125
    Price: $272.49
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  • Pyrex® Erlenmeyer Flask, Heavy Duty Wide Mouth, 2000mL

    Pyrex® Erlenmeyer Flask, Heavy Duty Wide Mouth, 2000 ml

    Chemglass Life Sciences

    MSRP: $58.00
    Price: $49.75
    Erlenmeyer Flask, 2000mL, Heavy Duty, requires a # 13 Rubber Stopper for sealing (not included.) These 2 liter wide mouth Erlenmeyer Flasks are especially recommended for use as titration flasks and are designed with heavy duty rims to reduce chipping...
    CG-8510-2L
    MSRP: $58.00
    Price: $49.75
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    MSRP: $58.00
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  • 100 +/- 0.10mL Capacity, #16 Stopper Size, Blue Stopper Handle Color, Approx 180mm Height with Stopper

    100 +/- 0.10mL Capacity, #16 Stopper Size, Blue Stopper Handle Color, Approx 180mm Height with Stopper

    Chemglass Life Sciences

    Price: $71.41
    Flask, Volumetric, 100mL, Heavy Wall, Wide Mouth Large Numbers, Flat Bottom, Class A, TC Supplied With PTFE Stopper. Approx 180mm Height with Stopper. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior...
    CG-1617-100
    Price: $71.41
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  • Pyrex® Plus Coated Filter Flask with Tubulation, 2000mL

    Pyrex® Plus Coated Filter Flask with Tubulation, 2000 ml

    Chemglass Life Sciences

    Price: $242.29
    Flask, 2000mL, Filtering, requires a # 9 Rubber Stopper for sealing (not included.) Flask features a protective PVC coating for longer product life and safety. Protective coating helps prevent glass from shattering and reduces spills. Autoclavable...
    CG-8516-2L
    Price: $242.29
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  • 1000mL Volumetric Flask, Class A, #22 Outer Stopper Neck, Glass Stopper

    1000mL Volumetric Flask, Class A, #22 Outer Stopper Neck, Glass Stopper

    Chemglass Life Sciences

    Price: $102.06
    1000mL Volumetric Flask, Class A, #22 Outer Stopper Neck, Glass Stopper. Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class A unsterilized flasks and ASTM E-288. Supplied complete with one solid glass #22 Pennyhead...
    CG-1600-09
    Price: $102.06
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  • 100mL Volumetric Flask, Class A, #13 Outer Stopper Neck, PE Stopper

    100mL Volumetric Flask, Class A, #13 Outer Stopper Neck, PE Stopper

    Chemglass Life Sciences

    Price: $49.75
    Flask, Volumetric, Class A, 100mL, Outer Stopper Neck, Polyethylene Stopper Size 13. Approx. 148mm Height Flask, Volumetric, Class A, with closed bottom polyethylene stopper. Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type...
    CG-1602-05
    Price: $49.75
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  • 20 +/- 0.08mL Capacity, #13 Stopper Size, Approx 128mm Height with Stopper

    20 +/- 0.08mL Capacity, #13 Stopper Size, Approx 128mm Height with Stopper

    Chemglass Life Sciences

    MSRP: $52.20
    Price: $49.75
    Flask, Volumetric, 20mL, Heavy Wall, Wide Mouth Large Numbers, Flat Bottom, Class A, TC. Approx 128mm Height with Stopper. Wide mouth design facilitates mixing, pipette access, sampling and filling. Unique Flat Bottom Interior permits the use of a...
    CG-1615-20
    MSRP: $52.20
    Price: $49.75
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  • 2000mL Erlenmeyer Flask, Borosilicate Glass, 38-430 GPI Screw Thread, Each

    2000 ml Erlenmeyer Flask, Borosilicate Glass, 38-430 GPI Screw Thread, Each

    Chemglass Life Sciences

    Price: $85.84
    This 2 Liter Chemglass borosilicate glass Erlenmeyer flask features a 38mm screw thread finish. Supplied complete with white rubber lined black phenolic cap. Long skirted caps can be loosened without falling off while shaking flask. Part number ...
    CG-1543-06
    Price: $85.84
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  • 500mL Volumetric Flask, Class A, #19 Outer Stopper Neck, Glass Stopper

    500mL Volumetric Flask, Class A, #19 Outer Stopper Neck, Glass Stopper

    Chemglass Life Sciences

    Price: $94.30
    500mL Volumetric Flask, Class A, #19 Outer Stopper Neck, Glass Stopper. Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type 1, Class A unsterilized flasks and ASTM E-288. Supplied complete with one solid glass #19 Pennyhead...
    CG-1600-08
    Price: $94.30
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  • Erlenmeyer Flask Set, 50mL, 100mL, 250mL, 500mL & 1000mL, Narrow Neck, White Ink, Borosilicate 3.3 Glass

    Erlenmeyer Flask Set, 50 ml, 100 ml, 250 ml, 500 ml & 1000 ml, Narrow Neck, White Ink, 3.3 Borosilicate Glass

    Eisco Labs

    Price: $49.75
    5 piece Erlenmeyer Flask set made of high quality, heavy duty, borosilicate 3.3 glass. Includes five, narrow neck flasks with 50mL, 100mL, 250mL, 500mL & 1000mL capacities. Flasks feature white, printed graduations, and beaded rims. Uniform, thick walls...
    EIS-CH196034
    Price: $49.75
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  • Glass Single Neck Evaporating Recovery Flask Flask, Heavy Wall Single Neck, 24/40 OJ, 2000mL

    Glass Single Neck Evaporating Recovery Flask, Heavy Wall Single Neck, 24/40 OJ, 2000 ml

    Chemglass Life Sciences

    Price: $195.08
    Flask, Recovery, 2000mL, 24/40, Heavy Wall, Single Neck. 2000 mL Glass Evaporation Flask, Single Neck, 24/40 Outer Joint. Evaporating flask for use with rotary evaporators. Flasks have a HEAVY WALL for vacuum applications and are balanced to prevent...
    CG-1512-35
    Price: $195.08
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  • 10mL Volumetric Flask, Class A, #9 Outer Stopper Neck, PE Stopper

    10mL Volumetric Flask, Class A, #9 Outer Stopper Neck, PE Stopper

    Chemglass Life Sciences

    Price: $47.89
    Flask, Volumetric, Class A, 10mL, Outer Stopper Neck, Polyethylene Stopper Size 9. Approx. 101mm Height Flask, Volumetric, Class A, with closed bottom polyethylene stopper. Flasks are manufactured to conform to Federal Specifications NNN-F-289 for Type...
    CG-1602-02
    Price: $47.89
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