Borosilicate Glass 3.3 Distilling Head (75°) with Side Arm (Vacuum Take-Off), Ground Joints

The Distilling Head (75°) with Side Arm (Vacuum Take-Off) made from Borosilicate Glass 3.3 is a critical component in distillation and vacuum distillation systems. Designed with a 75° angled outlet and integrated side arm, this adapter allows efficient direction of vapor flow toward a condenser while enabling vacuum application or gas transfer.

Featuring multiple standard ground glass joints, this distilling head ensures secure, leak-free connections and seamless integration into complex laboratory setups. It is ideal for organic synthesis, solvent purification, and analytical distillation workflows.

Key Features & Benefits

75° Distillation Head Design

• Optimized angle for efficient vapor transfer to condenser
• Reduces reflux losses and improves distillation efficiency
• Supports both simple and fractional distillation setups

Side Arm (Vacuum Take-Off)

• Allows connection to vacuum systems or gas lines
• Enables reduced pressure distillation (vacuum distillation)
• Improves control over boiling points and thermal stability

Multi-Joint Configuration

• Upper joint for thermometer adapter or addition components
• Lower joint connects to boiling flask
• Oblique/angled joint connects to condenser
• Side arm for vacuum or gas flow

Borosilicate Glass 3.3 Construction

• Excellent resistance to thermal shock and chemical corrosion
• Suitable for high-temperature and vacuum applications
• Durable for repeated laboratory use

Standard Ground Glass Joints

• Precision-ground for tight, leak-proof sealing
• Compatible with standard laboratory glassware systems
• Available in multiple joint size configurations

Applications

• Simple and Fractional Distillation
• Vacuum Distillation (Reduced Pressure)
• Solvent Purification and Recovery
• Organic Chemistry Synthesis
• Pharmaceutical and Chemical Analysis
• Research and Academic Laboratories

Technical Specifications

Product Variants

Comparison: Distilling Head vs Claisen Adapter

Key Advantages

• Enables efficient and controlled distillation processes
• Supports vacuum applications for sensitive compounds
• Durable borosilicate construction for harsh conditions
• Flexible multi-joint configuration for advanced setups

The Borosilicate Glass Distilling Head (75°) with Side Arm is an essential component for efficient and controlled distillation systems, especially in vacuum applications. Its robust design, precision joints, and functional flexibility make it indispensable for modern laboratory workflows.