CHEMGLASS CG-1943-A-01 Angled Flange Reaction Vessel Lid 4-NECK 24/40 14/20 60MM

( Brand: Chemglass ), ( Manufacturer Part Number: CG-1943-A-01 ), ( Part Type: Lid Flange ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory ), ( Country Of Origin: United States ), ( Unit Type: Unit ), ( Additional Information: Surplus Laboratory Consumable Supplies )

Review CHEMGLASS 24/40 14/20 Angled 60mm Flange Reaction Vessel Lid

The **Chemglass CG-1943-A-01 4-Neck Angled Reaction Vessel Lid** is a precision-engineered component designed for advanced laboratory applications requiring versatile and efficient reaction control. Crafted from high-quality borosilicate glass (Type 3.3), this lid is built to withstand rigorous chemical environments, thermal cycling, and high-pressure conditions, ensuring durability and reliability in demanding synthesis, distillation, or extraction processes. Featuring a **4-neck configuration**, it accommodates a variety of standard **24/40 joint adapters** for connecting thermometers, reflux condensers, addition funnels, or gas inlet tubes, while the **14/20 joint flange** provides an additional port for specialized attachments such as stirrers, pressure gauges, or vacuum adapters. The **angled design** (60-degree tilt) optimizes spatial efficiency in crowded reaction setups, allowing for better access to internal components while maintaining a compact footprint. The **60mm flange diameter** ensures a secure, leak-proof seal when paired with the corresponding vessel body, minimizing contamination risks and enhancing safety. Ideal for use in organic synthesis, pharmaceutical development, and materials science, this lid is engineered to meet stringent industry standards, offering both functionality and precision for researchers and chemists seeking high-performance reaction equipment. Its compatibility with standard laboratory glassware and accessories makes it a versatile addition to any advanced laboratory setup.

### **Pros and Cons of buying a Chemglass CG-1943-A-01 4-Neck Reaction Vessel Lid**

1. **Versatility in Design** The 4-neck configuration allows for simultaneous attachment of multiple accessories (e.g., condenser, thermometer, addition funnel, gas inlet/outlet), making it ideal for complex reactions requiring precise control of temperature, pressure, or reagent addition.

2. **Standardized Joints (24/40 and 14/20)** The inclusion of both **24/40** and **14/20** joints ensures compatibility with a wide range of glassware and accessories, reducing the need for adapters and improving flexibility in laboratory setups.

3. **Angled Flange (60 )** The angled design provides better ergonomics and easier access for stirring, sampling, or adding reagents without obstructing other necks. This is particularly useful in multi-neck setups where space is limited.

4. **Durability and Chemical Resistance** Chemglass products are known for their high-quality borosilicate glass (likely Type I or II), which resists thermal shock and most common laboratory chemicals, ensuring longevity and safety.

- **Distillation/condensation** (via condenser attachment)

- **Temperature monitoring** (thermometer well)

- **Reagent addition** (via addition funnel or side arm)

- **Gas handling** (inlet/outlet ports)

- **Stirring** (if paired with a compatible stir bar or overhead mixer)

6. **Modularity** The individual necks can be used independently or in combination, allowing for customization based on specific experimental needs.

7. **Brand Reputation** Chemglass is a trusted manufacturer in the lab equipment industry, offering reliable construction and good customer support.

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1. **Cost** High-quality glassware like this is more expensive than plastic or lower-grade glass alternatives. The price may be prohibitive for small-scale or budget-conscious labs.

2. **Fragility** Despite its durability, borosilicate glass can still break if subjected to sudden temperature changes, mechanical stress, or improper handling. This requires careful use and storage.

3. **Maintenance and Cleaning** Glass components can be difficult to clean thoroughly, especially if residues (e.g., polymers, salts) adhere to the joints or necks. Ultrasonic cleaning may be necessary, adding time and cost.

4. **Limited to Glass Systems** If your lab frequently uses non-glass components (e.g., Teflon-lined reactors, metal reactors), this lid may not integrate seamlessly without additional adapters.

5. **Space Requirements** The angled and multi-neck design may not fit in compact setups or older lab benches with limited clearance. Measurement and bench planning are necessary before purchase.

6. **Potential for Leaks** If the ground glass joints are not properly lubricated or if the rubber gaskets degrade over time, leaks can occur, compromising reaction integrity. Regular inspection and maintenance are required.

7. **Weight** Glassware is heavier than plastic alternatives, which may be a consideration for frequent transport or mobile labs.

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### **Conclusion**

The **Chemglass CG-1943-A-01 4-neck angled reaction vessel lid** is a highly functional and versatile component for laboratories requiring precise control over multi-step reactions. Its standardized joints, angled design, and compatibility with common accessories make it a strong choice for organic synthesis, distillation, or other complex procedures. However, its cost, fragility, and maintenance requirements may not justify its use in all settings particularly in small-scale or high-throughput environments where durability or ease of use is prioritized over flexibility.

### **Recommendation**

- You need a **multi-functional, high-performance** setup for reactions requiring simultaneous temperature control, condensation, reagent addition, or gas handling.

- Your lab frequently uses **standardized glassware** and can justify the investment in quality borosilicate glass.

- You have the **space and ergonomic considerations** to accommodate the angled design.

- You are willing to **maintain and inspect** the joints and gaskets regularly to prevent leaks.

- Your budget is limited, and you can achieve similar functionality with a **lower-cost, single-neck setup** or plastic alternatives.

- Your reactions are **simple or low-pressure**, and a **2-neck or 3-neck lid** would suffice.

- You frequently work with **highly corrosive or abrasive substances** that may degrade the glass over time (in which case, consider PTFE-lined or metal reactors).

- Your lab lacks the **storage or handling precautions** needed for fragile glassware.

For most **academic, pharmaceutical, or industrial research labs** performing complex syntheses, this lid is a **strong and practical investment**. For smaller or more cost-sensitive operations, evaluating whether the added functionality outweighs the drawbacks is essential.

Details:

No chips or cracks throughout. GSR veers 1730 GS 9.9.4 1730 Used item in great condition. See pictures for details. Minimal to no signs of wear.

part #: cg1943a01 prices

• $139.99-$559.00

specifications plasticwarelabsuppy:

• brand: Chemglass
• mpn: Cg-1943-a-01
• part type: Lid Flange
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory
• country of origin: United States
• unit type: Unit
• additional information: Surplus Laboratory Consumable Supplies

general plasticwarelabsuppy:

• condition: Used
• Medical, Lab Dental Supplies > Glassware Plasticware > Other Medical Lab Glassware

returns plasticwarelabsuppy:

• policy: Returns Accepted
• paid by: Seller
• method: Money back
• time: 30 Days

shipping plasticwarelabsuppy:

• carrier: FedEx
• transit: 4-8 Days
• class: Standard, Expedited, One-day
• cost: $0.00
• service: Standard, FedEx 2Day, FedEx Standard Overnight
• type: Fixed

payments plasticwarelabsuppy:

• other
• wallet: Google-pay
• credit card: Diners-club

offer plasticwarelabsuppy:

• started: February 5, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

seller plasticwarelabsuppy:

• city: Cotati, California
• rating: 99.8%
• # reviews: 7377

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