Sale!

Features & Details

🧪 BORO 3.3 GLASS
Crafted from premium thickened borosilicate glass natively. It provides exceptional resistance to rapid thermal shocks up to a 200°C differential safely.
⚙️ VALVE OPTIONS
Available with either a chemically inert PTFE piston or a high-vacuum piston valve perfectly. It guarantees flawless pressure control during sensitive synthesis.
🔗 3-NECK DESIGN
Features three standard-taper 24/29 necks securely. It allows simultaneous attachment of condensers, dropping funnels, and mechanical stirrer guides effortlessly.
📏 CLEAR MARKINGS
Optional graduated variants feature precise etched markings seamlessly. It enables researchers to monitor liquid levels without interrupting the chemical reaction.

About this item

Attribute
Product Specifications

Material & Structural Specifications
Material Construction
High Borosilicate 3.3 Glass (Boro 3.3)
Neck Configuration
3-Neck (1 Central + 2 Angled Side Necks)
Standard Taper Joint
24/29 Ground Glass Joints (All 3 Necks)

Valve Options & Functionality
Piston Valve Option A
PTFE (Teflon) Piston: Chemically inert, self-lubricating, ideal for routine organic synthesis.
Piston Valve Option B
High-Vacuum Glass Piston: Superior airtight seal, mandatory for reduced-pressure distillation.
Scale Option
Available With Graduation Marks or Without Graduation Marks

Thermal Limits & Capacities
Temperature Tolerance
Max Short Term: ~500°C (932°F)
Continuous Safe Use: ≤ 450°C (842°F)
Thermal Shock Limit: ≤ 200°C differential
Available Capacities
Small: 100mL (3.38 oz), 250mL (8.45 oz), 500mL (16.9 oz)
Large: 1000mL (1L), 2000mL (2L), 3000mL (3L), 5000mL (5L)

Complex Chemical Synthesis with the 3 Neck Reaction Flask

Conducting advanced organic synthesis or continuous distillation requires a highly versatile and secure laboratory vessel. Using standard single-neck flasks makes it impossible to add reagents, monitor temperatures, and apply mechanical agitation simultaneously. A professional 3 neck reaction flask solves this architectural limitation perfectly. Our multi-neck borosilicate glass reactor acts as the central workhorse for serious analytical laboratories, providing a flawless airtight environment for complex reduced-pressure experiments and rigorous heating cycles.

Maintaining structural integrity under extreme thermal stress is mandatory for laboratory safety. Professional chemical facilities explicitly rely on the global ASTM E1403 specification for laboratory boiling flasks to ensure high mechanical endurance. We manufactured this 3 neck reaction flask using premium thickened Boro 3.3 glass natively. It guarantees your analytical projects meet demanding scientific quality requirements safely without dangerous glass implosions. Explore our complete Lab Glassware collection to secure the most reliable research consumables immediately.

1Premium Borosilicate 3.3 Thermal Stability

We engineered this reaction vessel for aggressive thermal applications. Standard glass shatters instantly when exposed to the intense heat of a boiling mantle followed by an ice bath. This flask utilizes highly pure Borosilicate 3.3 glass natively. It boasts a remarkably low coefficient of thermal expansion, easily withstanding a sudden temperature differential of up to 200°C. This extreme thermal shock resistance ensures the vessel survives daily autoclave cycles and intense reflux heating securely.

2Dual Piston Valve Discharge Options

Discharging reaction products safely without exposing them to ambient air requires precision valve engineering. This vessel is equipped with a highly specialized bottom drain valve. Researchers can choose between a chemically inert PTFE (Teflon) piston for routine solvent synthesis, or a specialized high-vacuum glass piston. The high-vacuum variant establishes a flawless airtight seal, preventing any atmospheric gas infiltration during highly sensitive reduced-pressure distillation processes.

3Versatile Three-Neck Architecture

Managing complex chemical reactions requires simultaneous access to the internal chamber. The structural design features one central neck and two precisely angled side necks, all forged with standardized 24/29 ground glass tapers. This intelligent layout allows laboratory operators to insert a mechanical stirring shaft down the middle while attaching a reflux condenser and a dropping funnel to the sides effortlessly.

Core Capabilities of the Reaction Vessel

🛡️ Chemical Inertness

Pure borosilicate glass ensures absolutely zero chemical reactions with aggressive acids and alkalis during intensive synthesis.

📏 Etched Graduations

Select variants feature highly durable etched scale markings, allowing you to monitor internal liquid volume changes without interrupting the run.

🔒 Ground Joints

All three necks utilize standardized 24/29 frosted ground tapers to guarantee flawless, leak-proof connections with other labware.

⚖️ Multiple Sizes

Available in precise capacities ranging from 100mL for small batch testing up to a massive 5000mL for scaling synthetic routes.

Investing in a reliable 3 neck reaction flask is absolutely essential for maintaining strict scientific extraction efficiency. Our multi-neck vessels combine immense thermal shock resistance with absolute airtight valve control, making them the perfect laboratory hardware for researchers executing complex organic chemistry and vacuum distillations.

Related products:
microbial fuel cell glass bioreactor |
light-sensitive rotary evaporator flask

FAQs

A1: The 3-neck design is essential for complex reactions. Typically, the larger central neck is used to insert an overhead mechanical stirring shaft. One side neck is connected to a reflux condenser to cool and return vapors, while the other side neck is used for a dropping funnel (to add reagents slowly) or a thermometer to monitor the internal temperature.

A2: If you are performing standard room-pressure chemical synthesis, the PTFE (Teflon) valve is perfect. It is self-lubricating, won’t get stuck, and is highly chemically resistant. However, if you are performing vacuum distillation or applying strong negative pressure to the flask, you must choose the High-Vacuum glass piston to ensure an absolutely flawless, leak-proof seal.

A3: While Borosilicate 3.3 glass handles up to 500°C, direct open flames cause localized thermal stress (hot spots) that can crack any glass. You should always use a dedicated laboratory heating mantle that fits the round bottom perfectly, or an oil/water bath, to ensure even heat distribution.

A4: Ground glass joints (24/29) can occasionally freeze or lock up after high-temperature reactions or when exposed to strong bases. To prevent this, always apply a very thin layer of high-quality laboratory vacuum grease (like silicone grease) to the frosted joints before assembling your distillation apparatus.

3 Neck Reaction Flask, Boro 3.3 Glass with Vacuum / PTFE Piston Valve (100ml-5000ml) by Xin Tester

Price range: $75.66 through $397.20

6–12 Month Warranty

Repair & Refund support available for most products.

Free Worldwide Shipping

Ships within 3 business days.

Taxes & Duties

Buyer responsible for local import fees.

24/7 After-Sales Support

Technical assistance & video guidance within 24h.

3 Neck Reaction Flask, Boro 3.3 Glass with Vacuum / PTFE Piston Valve (100ml-5000ml) by Xin Tester

Sale!

Price range: $75.66 through $397.20

Features & Details

🧪 BORO 3.3 GLASS
Crafted from premium thickened borosilicate glass natively. It provides exceptional resistance to rapid thermal shocks up to a 200°C differential safely.
⚙️ VALVE OPTIONS
Available with either a chemically inert PTFE piston or a high-vacuum piston valve perfectly. It guarantees flawless pressure control during sensitive synthesis.
🔗 3-NECK DESIGN
Features three standard-taper 24/29 necks securely. It allows simultaneous attachment of condensers, dropping funnels, and mechanical stirrer guides effortlessly.
📏 CLEAR MARKINGS
Optional graduated variants feature precise etched markings seamlessly. It enables researchers to monitor liquid levels without interrupting the chemical reaction.
Attribute
Product Specifications

Material & Structural Specifications
Material Construction
High Borosilicate 3.3 Glass (Boro 3.3)
Neck Configuration
3-Neck (1 Central + 2 Angled Side Necks)
Standard Taper Joint
24/29 Ground Glass Joints (All 3 Necks)

Valve Options & Functionality
Piston Valve Option A
PTFE (Teflon) Piston: Chemically inert, self-lubricating, ideal for routine organic synthesis.
Piston Valve Option B
High-Vacuum Glass Piston: Superior airtight seal, mandatory for reduced-pressure distillation.
Scale Option
Available With Graduation Marks or Without Graduation Marks

Thermal Limits & Capacities
Temperature Tolerance
Max Short Term: ~500°C (932°F)
Continuous Safe Use: ≤ 450°C (842°F)
Thermal Shock Limit: ≤ 200°C differential
Available Capacities
Small: 100mL (3.38 oz), 250mL (8.45 oz), 500mL (16.9 oz)
Large: 1000mL (1L), 2000mL (2L), 3000mL (3L), 5000mL (5L)

Complex Chemical Synthesis with the 3 Neck Reaction Flask

Conducting advanced organic synthesis or continuous distillation requires a highly versatile and secure laboratory vessel. Using standard single-neck flasks makes it impossible to add reagents, monitor temperatures, and apply mechanical agitation simultaneously. A professional 3 neck reaction flask solves this architectural limitation perfectly. Our multi-neck borosilicate glass reactor acts as the central workhorse for serious analytical laboratories, providing a flawless airtight environment for complex reduced-pressure experiments and rigorous heating cycles.

Maintaining structural integrity under extreme thermal stress is mandatory for laboratory safety. Professional chemical facilities explicitly rely on the global ASTM E1403 specification for laboratory boiling flasks to ensure high mechanical endurance. We manufactured this 3 neck reaction flask using premium thickened Boro 3.3 glass natively. It guarantees your analytical projects meet demanding scientific quality requirements safely without dangerous glass implosions. Explore our complete Lab Glassware collection to secure the most reliable research consumables immediately.

1Premium Borosilicate 3.3 Thermal Stability

We engineered this reaction vessel for aggressive thermal applications. Standard glass shatters instantly when exposed to the intense heat of a boiling mantle followed by an ice bath. This flask utilizes highly pure Borosilicate 3.3 glass natively. It boasts a remarkably low coefficient of thermal expansion, easily withstanding a sudden temperature differential of up to 200°C. This extreme thermal shock resistance ensures the vessel survives daily autoclave cycles and intense reflux heating securely.

2Dual Piston Valve Discharge Options

Discharging reaction products safely without exposing them to ambient air requires precision valve engineering. This vessel is equipped with a highly specialized bottom drain valve. Researchers can choose between a chemically inert PTFE (Teflon) piston for routine solvent synthesis, or a specialized high-vacuum glass piston. The high-vacuum variant establishes a flawless airtight seal, preventing any atmospheric gas infiltration during highly sensitive reduced-pressure distillation processes.

3Versatile Three-Neck Architecture

Managing complex chemical reactions requires simultaneous access to the internal chamber. The structural design features one central neck and two precisely angled side necks, all forged with standardized 24/29 ground glass tapers. This intelligent layout allows laboratory operators to insert a mechanical stirring shaft down the middle while attaching a reflux condenser and a dropping funnel to the sides effortlessly.

Core Capabilities of the Reaction Vessel

🛡️ Chemical Inertness

Pure borosilicate glass ensures absolutely zero chemical reactions with aggressive acids and alkalis during intensive synthesis.

📏 Etched Graduations

Select variants feature highly durable etched scale markings, allowing you to monitor internal liquid volume changes without interrupting the run.

🔒 Ground Joints

All three necks utilize standardized 24/29 frosted ground tapers to guarantee flawless, leak-proof connections with other labware.

⚖️ Multiple Sizes

Available in precise capacities ranging from 100mL for small batch testing up to a massive 5000mL for scaling synthetic routes.

Investing in a reliable 3 neck reaction flask is absolutely essential for maintaining strict scientific extraction efficiency. Our multi-neck vessels combine immense thermal shock resistance with absolute airtight valve control, making them the perfect laboratory hardware for researchers executing complex organic chemistry and vacuum distillations.

Related products:
microbial fuel cell glass bioreactor |
light-sensitive rotary evaporator flask

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