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  3. CHEMGLASS CG-4531-03

CHEMGLASS CG-4531-03 Trap Body Vacuum 500ML

Cg-4531-03 Chemglass 500ml Trap Body Only Vacuum

( Brand: Chemglass ), ( Manufacturer Part Number: CG-4531-03 ), ( Part Type: Vacuum Trap ), ( Intended Use/discipline: Biological Laboratory ), ( Unit Type: Unit ), ( Country Of Origin: United States ), ( Additional Information: Surplus Laboratory Consumable Supplies )

Review CHEMGLASS 500ml Trap Body Only Vacuum

The **Chemglass CG-4531-03 500 mL Trap Body Vacuum** is a precision-engineered glass apparatus designed for high-performance laboratory applications, particularly in vacuum distillation, solvent trapping, and gas chromatography sample preparation. Crafted from borosilicate glass (Type 1, Class A), this trap body ensures exceptional chemical resistance, thermal stability, and optical clarity, making it ideal for demanding experiments where reliability and durability are paramount. Its robust construction features a **500 mL capacity**, providing ample volume for efficient trapping or collection of volatile compounds, solvents, or reaction byproducts without compromising performance. The trap is equipped with **standard 24/40 joint connections** on both ends, ensuring seamless compatibility with a wide range of glassware, including condensers, adapters, and vacuum systems, while maintaining an airtight seal under vacuum conditions. The smooth, polished interior minimizes dead spaces and reduces the risk of contamination or residue buildup, which is critical for maintaining sample integrity in sensitive analytical procedures. Additionally, the trap s design incorporates a **ground-glass joint interface**, allowing for easy assembly and disassembly with minimal risk of leakage, even under reduced pressure. Whether used in fractional distillation, solvent recovery, or preparative chromatography, this trap body delivers consistent, repeatable results while adhering to the highest standards of laboratory safety and efficiency. Its versatility extends across organic synthesis, pharmaceutical research, and environmental analysis, where precise control over vacuum conditions is essential for isolating and purifying target compounds. Built to withstand repeated use and exposure to aggressive solvents, this Chemglass product exemplifies the brand s commitment to quality engineering, offering researchers a dependable tool for advancing their work with confidence.

**Pros and Cons of buying a Chemglass CG-4531-03 500ml Trap Body Vacuum**

### **Pros:**

1. **High-Quality Construction** Chemglass is a reputable manufacturer known for producing durable, precision-engineered glassware designed for laboratory use. The CG-4531-03 is built to withstand repeated use in vacuum applications, reducing the risk of breakage or leaks over time.

2. **Compatibility with Vacuum Systems** This trap body is specifically designed for use in vacuum filtration or distillation setups, making it suitable for applications like solvent recovery, sample concentration, or rotary evaporation. Its design ensures proper sealing and efficient trapping of vapors or particulates.

3. **Versatility** The 500ml capacity provides a balance between small-scale and moderate-scale operations, making it useful for a range of laboratory tasks without requiring excessive solvent or sample volume. It can be paired with various adapters, joints, or cold traps depending on the application.

4. **Chemical Resistance** Made from borosilicate glass (likely Type 3.3 or similar), it resists most acids, bases, and organic solvents, ensuring longevity and safety in harsh chemical environments.

5. **Easy Cleaning and Maintenance** Glass components are generally easier to clean than metal or plastic alternatives, especially when dealing with sticky residues or contaminants. The smooth interior reduces dead spaces where debris can accumulate.

6. **Compatibility with Standard Laboratory Equipment** The trap body is designed to fit seamlessly with common laboratory glassware, such as adapters, vacuum pumps, and cold traps, minimizing the need for custom modifications.

7. **Safety** Glass is an inert material that does not leach contaminants into samples, making it ideal for applications requiring high purity, such as pharmaceutical or analytical chemistry.

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### **Cons:**

1. **Fragility** Glassware is inherently brittle and can shatter if dropped or subjected to thermal shock (e.g., rapid heating or cooling). This requires careful handling, which may be a drawback in busy or high-throughput laboratories.

2. **Limited Durability Under Extreme Conditions** While borosilicate glass is durable, prolonged exposure to abrasive particles, repeated autoclaving, or extreme pressure fluctuations could eventually compromise the integrity of the trap body.

3. **Cost** High-quality glassware from Chemglass is more expensive than generic or plastic alternatives. For laboratories with tight budgets or infrequent use, this may be a significant investment.

4. **Maintenance of Seals and Joints** The trap body relies on ground glass joints or rubber gaskets for sealing. Over time, these components may wear out, requiring replacement or re-greasing, which adds to long-term maintenance costs.

5. **Space and Storage Requirements** Glassware occupies more physical space than compact plastic or metal alternatives. Proper storage to prevent breakage (e.g., in racks or padded containers) is necessary.

6. **Potential for Contamination** Despite its inertness, improper cleaning or exposure to certain chemicals can introduce trace contaminants. Glassware must be thoroughly cleaned and dried to avoid carryover between experiments.

7. **Not Ideal for High-Pressure Applications** While designed for vacuum use, the trap body is not intended for high-pressure environments. Misuse could lead to catastrophic failure.

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### **Conclusion:**

The **Chemglass CG-4531-03 500ml Trap Body Vacuum** is a reliable, high-quality investment for laboratories requiring precise and durable glassware for vacuum applications. Its strengths lie in its chemical resistance, compatibility with standard lab equipment, and ease of cleaning, making it ideal for analytical, pharmaceutical, or research settings where purity and performance are critical. However, its fragility, higher cost, and maintenance requirements may pose challenges in environments with limited resources or high-risk handling conditions.

For laboratories prioritizing **precision, durability, and chemical compatibility**, this trap body is highly recommended. For settings where **cost, space, or robustness** are major concerns, alternatives such as plastic or metal vacuum traps (if chemically compatible) might be considered, though they may sacrifice some performance or purity.

**Final Recommendation:** Purchase the **Chemglass CG-4531-03** if:

- You need a **long-term, high-performance** solution for vacuum applications.

- Your lab values **chemical resistance and purity**.

- You can accommodate the **higher upfront cost** and **careful handling** requirements.

Avoid or consider alternatives if:

- Your budget is constrained, and you can find a **lower-cost, equally effective** option.

- Your lab frequently handles **abrasive materials or extreme conditions** that may damage glassware.

- Space or storage for fragile glassware is limited.

Details:

GSR veers 1730 GS 9.9.4 1730 Used item in great condition. Shows some residue. See pictures for details. No chips or cracks throughout.

part #: cg453103 price

  • $41.99

specifications plasticwarelabsuppy:

  • brand: Chemglass
  • mpn: Cg-4531-03
  • part type: Vacuum Trap
  • intended use/discipline: Biological Laboratory
  • unit type: Unit
  • country of origin: United States
  • additional information: Surplus Laboratory Consumable Supplies

offer plasticwarelabsuppy:

  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1
  • started: February 14, 2026

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

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  • rating: 99.8%
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part type: vacuum trap, intended use/discipline: biological laboratory, unit type: unit, country of origin: united states, additional information: surplus laboratory consumable supplies,
category: business & industrial > medical, lab dental supplies > glassware plasticware > medical lab glassware, sku: 13289261676534633,
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  • Used. Offer #1 priced at $41.99 + $0.00 shipping estimate = $41.99* total. gsrx vers 1730 (GS 9.9.4 (1730)) Used item in great condition.FREE SHIPPING

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