CHEMGLASS CG-1259-04 Dean Stark Distilling Receiver 10ML 24/40

( Brand: Chemglass ), ( Manufacturer Part Number: CG-1259-04 ), ( Part Type: Receiver ), ( Country Of Origin: United States ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory )

Review CHEMGLASS 10ml Dean stark Moisture Test Distilling Receiver 24/40

The **Chemglass CG-1259-04 10 mL Dean-Stark Distilling Receiver with 24/40 Joint** is a precision-engineered glassware component designed for efficient and reliable separation of water from organic reaction mixtures during distillation processes, particularly in synthesis involving azeotropic dehydration or solvent recovery. Crafted from borosilicate glass (Type 1, Class A), this receiver ensures exceptional chemical resistance, thermal stability, and optical clarity, making it ideal for demanding laboratory applications where accuracy and durability are paramount. Its compact yet robust design features a **10 mL capacity**, providing ample volume for small-scale reactions while minimizing solvent waste, and is equipped with a **standard 24/40 ground glass joint** for seamless compatibility with a wide range of Chemglass adapters, condensers, and reaction flasks. The receiver s **Dean-Stark trap configuration** typically paired with a side arm and a separate collection port allows for the continuous removal of water from the reaction mixture, enabling equilibrium shifts that drive the reaction toward completion. The smooth, polished glass surface reduces the risk of contamination and facilitates easy cleaning, while the reinforced joint construction ensures a secure, leak-proof seal under vacuum or atmospheric pressure. Whether used in organic synthesis, pharmaceutical development, or analytical chemistry, this receiver exemplifies efficiency and precision, making it an indispensable tool for researchers seeking to optimize reaction yields and streamline workflows.

**Pros and Cons of buying a Chemglass CG-1259-04 (10 mL Dean-Stark Distilling Receiver, 24/40 Joint)**

### **Pros**

1. **Precision and Durability** Chemglass is a well-established manufacturer known for producing high-quality, precision glassware designed for laboratory use. The Dean-Stark receiver is built to withstand repeated heating and cooling cycles, making it suitable for long-term use in organic synthesis, dehydration reactions, and azeotropic distillation.

2. **Standardized Joint Compatibility** The 24/40 joint ensures compatibility with most standard laboratory glassware, including flasks, condensers, and adapters. This makes it easy to integrate into existing setups without the need for additional adapters or custom fittings.

3. **Efficient Functionality** The Dean-Stark setup (typically paired with a Dean-Stark trap) is specifically designed to remove water from reaction mixtures by azeotropic distillation. The 10 mL capacity strikes a balance between practicality and efficiency, allowing for moderate-scale reactions without excessive solvent usage.

4. **Chemical Resistance** Made from borosilicate glass (likely Type I or II), the receiver is resistant to most organic solvents, acids, and bases, ensuring longevity even with aggressive reaction conditions.

5. **Easy to Clean and Maintain** Glassware is straightforward to clean with solvents, brushes, or ultrasonic cleaners. The smooth surface minimizes residue buildup, reducing the risk of contamination in subsequent experiments.

6. **Versatility** Beyond Dean-Stark applications, the receiver can be used as a general collection vessel for distillations, extractions, or other glassware setups requiring a 24/40 joint.

7. **Brand Reputation** Chemglass is trusted in academic and industrial labs for its reliability. Purchasing from a reputable brand reduces the risk of defects or poor performance compared to cheaper, unbranded alternatives.

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### **Cons**

1. **Cost** High-quality glassware from Chemglass is more expensive than generic or lower-grade alternatives. For occasional use or small-scale operations, the investment may not be justified.

2. **Fragility** Glassware is inherently brittle and can break if dropped or subjected to thermal shock (e.g., rapid heating/cooling). This requires careful handling and storage.

3. **Limited Capacity** The 10 mL size may be too small for large-scale reactions or processes requiring significant solvent volumes. Larger receivers (e.g., 25 mL or 50 mL) might be needed for scaled-up work.

4. **Maintenance Over Time** Even high-quality glassware can develop scratches or cracks from repeated use, especially around the joint or base. This may eventually require replacement.

5. **Alternative Brands** Other reputable brands (e.g., Ace Glass, Kontes, or Corning) offer similar products at comparable prices. Buyers should compare specifications and pricing to ensure they are getting the best value.

6. **Shipping and Handling Risks** Glassware is fragile during transit, and damage during shipping could render the product unusable upon arrival.

7. **Specialized Use Case** If the primary application is not azeotropic distillation (e.g., simple filtration or collection), a simpler receiver or adapter might suffice, reducing unnecessary expenditure.

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### **Conclusion**

The **Chemglass CG-1259-04 10 mL Dean-Stark distilling receiver** is a well-engineered, reliable piece of laboratory glassware ideal for users who prioritize durability, precision, and compatibility with standard lab setups. Its advantages in terms of chemical resistance, ease of use, and brand trust make it a strong choice for organic chemists, researchers, or educators performing azeotropic distillations or similar reactions. However, the higher cost and fragility may deter budget-conscious buyers or those with minimalist needs.

For **most academic or professional labs**, the investment is justified by the product s longevity and performance. For **small-scale hobbyists or infrequent users**, a lower-cost alternative (e.g., a basic glass receiver from a different manufacturer) might be sufficient. Always weigh the specific requirements of your work against the trade-offs before purchasing.

### **Recommendation**

- **Buy it if:** You regularly perform azeotropic distillations, dehydration reactions, or need a reliable 24/40 joint receiver for other glassware setups. The quality and compatibility of Chemglass justify the cost for serious laboratory work.

- **Consider alternatives if:** You are on a tight budget, require a larger capacity, or only need occasional use. In such cases, compare prices with other reputable brands or used equipment to find a cost-effective solution.

- **Pair with:** A matching Dean-Stark trap (e.g., Chemglass CG-1259-05) and ensure your setup includes proper heating (e.g., oil bath or heating mantle) and cooling (e.g., condenser) components for optimal performance.

Details:

The CHEMGLASS 10mL Dean-Stark Moisture Test Distilling Receiver 24/40 is a high-quality glassware product made in the USA by Chemglass. This receiver is designed for use in various laboratory settings, including physical, dental, medical, microbiological, and biological labs.

part #: cg125904 prices

• $60.00-$349.99

specifications plasticwarelabsuppy:

• brand: Chemglass
• mpn: Cg-1259-04
• part type: Receiver
• country of origin: United States
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory

returns plasticwarelabsuppy:

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

payments plasticwarelabsuppy:

• other
• wallet: Apple-pay
• credit card: Mastercard

seller plasticwarelabsuppy:

• city: Check, Virginia
• # reviews: 1210
• rating: 99.3%

general plasticwarelabsuppy:

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

shipping plasticwarelabsuppy:

• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• type: Calculated
• cost: $0.00
• transit: 3-8 Days

offer plasticwarelabsuppy:

• sold: 0
• quantity: 1
• options: Ship-to-home
• started: February 3, 2026
• availability: In Stock

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