Best Lab Boiling Flasks. Reviews September, 2020

ULAB Boiling Flask of Flat Bottom Set, 4pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1009

Search only ULAB brand name
ULAB Boiling Flask of Flat Bottom Set, 4pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1009

Current price: 11.99 USD


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  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks

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2 Count 4.3" Diam. Lab Flask Support Cork Stand 110mm for 250-2000mL Flasks

Search only Amazing-us brand name
2 Count 4.3

Current price: 9.49 USD


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  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.

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Boiling Flask Blank Flat Bottom 50ml Pack of 6

Search only SEOH brand name
Boiling Flask Blank Flat Bottom 50ml Pack of 6

Current price: 10.95 USD


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  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50

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Boiling Flask, Flat Bottom 250ml, With Cork Stopper

Search only MHB brand name
Boiling Flask, Flat Bottom 250ml, With Cork Stopper

Current price: 8.95 USD


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Weight: 0.4629707502 Pounds

  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.

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American Educational 7-771000 Clear Borosilicate Glass 1000mL Flat Bomex Bottom Boiling Flask

Search only American Educational Products brand name
American Educational 7-771000 Clear Borosilicate Glass 1000mL Flat Bomex Bottom Boiling Flask

Current price: 17.99 USD


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Height: 5 Inches

Length: 7 Inches

Width: 5 Inches

Weight: 0.7 Pounds

  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids

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Labasics Glass 500ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint, 500ml

Search only Labasics brand name
Labasics Glass 500ml Single Neck Flat Bottom Boiling Flask, with 24/40 Standard Taper Outer Joint, 500ml

Current price: 15.95 USD


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  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids
  • Labasics ensures premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
  • 24/40 Center Joint
  • Made of Borosilicate Glass
  • 1 Single Neck Flat bottomed flask
  • 500 ml Flat Bottom Boiling Flask

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ULTECHNOVO Glass Flat Bottom Boiling Flask 250ML - Lab Glass Round-Bottom Flask

Search only ULTECHNOVO brand name
ULTECHNOVO Glass Flat Bottom Boiling Flask 250ML - Lab Glass Round-Bottom Flask

Current price: 8.99 USD


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Height: 4.724409444 Inches

Length: 6.692913379 Inches

Width: 4.724409444 Inches

Weight: 0.1653466965 Pounds

  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids
  • Labasics ensures premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
  • 24/40 Center Joint
  • Made of Borosilicate Glass
  • 1 Single Neck Flat bottomed flask
  • 500 ml Flat Bottom Boiling Flask
  • Select good material, the surface is smooth and exquisite without burr.
  • The round bottom flask is of round ball-shaped with a high neck and a thin mouth. The design is simple and elegant.
  • The circular bottom design is mainly for the flame can rise naturally along the bottom during heating, larger the heating area, and average the heating, which can accelerate the heating speed.
  • Stable material and high temperature resistance.
  • The product is delicately made with exquisite workmanship.

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United Scientific FG4060-1000 Borosilicate Glass Flat Bottom Boiling Flask, 1000ml Capacity

Search only United Scientific Supplies brand name
United Scientific FG4060-1000 Borosilicate Glass Flat Bottom Boiling Flask, 1000ml Capacity

Current price: 20.95 USD


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  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids
  • Labasics ensures premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
  • 24/40 Center Joint
  • Made of Borosilicate Glass
  • 1 Single Neck Flat bottomed flask
  • 500 ml Flat Bottom Boiling Flask
  • Select good material, the surface is smooth and exquisite without burr.
  • The round bottom flask is of round ball-shaped with a high neck and a thin mouth. The design is simple and elegant.
  • The circular bottom design is mainly for the flame can rise naturally along the bottom during heating, larger the heating area, and average the heating, which can accelerate the heating speed.
  • Stable material and high temperature resistance.
  • The product is delicately made with exquisite workmanship.
  • Item Package Weight: 0.70106999316 lb
  • Item Package Dimension: 7.99999999184" L x 6.49999999337" W x 5.49999999439" H
  • Model Number: FG4060-1000
  • Country Of Origin: United States

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ULAB Boiling Flask of Round Bottom Set, 2pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1004

Search only ULAB brand name
ULAB Boiling Flask of Round Bottom Set, 2pcs of Vol.250ml, Borosilicate 3.3 Glass Material, UBF1004

Current price: 5.99 USD

Saving: $1.00 (14%)


Check price and availability


  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids
  • Labasics ensures premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
  • 24/40 Center Joint
  • Made of Borosilicate Glass
  • 1 Single Neck Flat bottomed flask
  • 500 ml Flat Bottom Boiling Flask
  • Select good material, the surface is smooth and exquisite without burr.
  • The round bottom flask is of round ball-shaped with a high neck and a thin mouth. The design is simple and elegant.
  • The circular bottom design is mainly for the flame can rise naturally along the bottom during heating, larger the heating area, and average the heating, which can accelerate the heating speed.
  • Stable material and high temperature resistance.
  • The product is delicately made with exquisite workmanship.
  • Item Package Weight: 0.70106999316 lb
  • Item Package Dimension: 7.99999999184" L x 6.49999999337" W x 5.49999999439" H
  • Model Number: FG4060-1000
  • Country Of Origin: United States
  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Round Bottom and short neck, without graduation
  • 2pcs of 250ml (8.45oz) Boiling Flasks

More Info

Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity

Search only Pyrex brand name
Corning Pyrex Borosilicate Glass Flat Bottom Boiling Flask, 250mL Capacity

Current price: 16.09 USD


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Weight: 0.4188782978 Pounds

  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Flat Bottom and short neck, without graduation
  • 4pcs of 250ml (8.45oz) Boiling Flasks
  • 2pcs 110*60mm Laboratory Flask Cork Stand Lab Supply Article
  • Used for holding your flasks or other spherical bottom containers from failing easily.
  • The Flask support is non-toxic, tasteless, small proportion, not easy to get fire,eco-friendly product.
  • The flask support Cork is made of high quality cork, very good elasticity, strong heat and electrical insulation, friction resistance.
  • Flask support firmly holds 250-2000 mL round bottom flasks, and its outer diameter is 110 mm.
  • Material Borosilicate Glass
  • Stopper # 1
  • Total Length (mm)115
  • Neck Length (mm) 55
  • Capacity (ml) 50
  • For general laboratory boiling, mixing and storage applications
  • 5 1/2" tall / 3 1/2" diameter
  • Flat bottom style
  • 250ml capacity, with matching cork stopper
  • Made of laboratory grade borosilice glass, these flasks may be heated over flame.
  • Meets ISO 3585 Code BJTY, Type 3.3 borosilicate glass specifications
  • Accepts #8 stopper (sold separately)
  • Bomex brand borosilicate glass for clarity, strength, heat-, and chemical-resistance
  • 1000mL flat-bottom boiling flask for heating or boiling of liquids
  • Labasics ensures premium customer service. If received damaged, please contact us immediately. We will solve it until satisfied
  • 24/40 Center Joint
  • Made of Borosilicate Glass
  • 1 Single Neck Flat bottomed flask
  • 500 ml Flat Bottom Boiling Flask
  • Select good material, the surface is smooth and exquisite without burr.
  • The round bottom flask is of round ball-shaped with a high neck and a thin mouth. The design is simple and elegant.
  • The circular bottom design is mainly for the flame can rise naturally along the bottom during heating, larger the heating area, and average the heating, which can accelerate the heating speed.
  • Stable material and high temperature resistance.
  • The product is delicately made with exquisite workmanship.
  • Item Package Weight: 0.70106999316 lb
  • Item Package Dimension: 7.99999999184" L x 6.49999999337" W x 5.49999999439" H
  • Model Number: FG4060-1000
  • Country Of Origin: United States
  • Boiling Flask is used in laboratory for more prolonged boiling of liquids
  • Uniform wall thickness is suited for heating, geometry permits very uniform heating
  • Borosilicate 3.3 glass material to prevent cracking
  • Round Bottom and short neck, without graduation
  • 2pcs of 250ml (8.45oz) Boiling Flasks
  • Approximate dimensions are 134mm height, 82mm outside diameter (OD)
  • Normal working temperature is 230 degrees C
  • Pyrex brand borosilicate glass for clarity, strength, and resistance to heat and chemicals
  • Accepts #5 stopper (sold separately) and has a tooled mouth for a smooth stopper fit
  • 250mL, long-necked, flat-bottom boiling flask for heating or boiling of liquids

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