CHEMGLASS DURAN SCHOTT CLS-1423-2L Glass Transfer Media Cap 2000ML Bottle 1/4 GL-45

( Brand: Chemglass Duran Schott ), ( Manufacturer Part Number: CLS-1423-2L ), ( Model: 2000ML ), ( Part Type: Transfer Cap ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory ), ( Country Of Origin: United States ), ( Unit Type: Unit ), ( Material: Borosilicate Glass ), ( Additional Search Terms: Surplus Laboratory Bench Supplies Consumables )

Review CHEMGLASS DURAN SCHOTT 2000 Ml Glass Transfer Media Bottle 1/4 Inch Hb Cap

The **Chemglass Duran Schott CL5-1423 2L (2000 mL) Glass Transfer Media Bottle with 1/4 HB GL-45 Cap** is a meticulously engineered, high-performance laboratory container designed for precision, durability, and chemical compatibility in demanding scientific applications. Crafted from **borosilicate glass (Type 3.3, per DIN EN 15511)**, this bottle exemplifies the unmatched thermal and chemical resistance synonymous with Schott Duran glassware, ensuring reliability even when exposed to aggressive solvents, acids, bases, or extreme temperature fluctuations. The **2-liter capacity (2000 mL)** provides ample volume for medium-scale transfers, storage, or reaction media, striking a balance between practicality and space efficiency in laboratory workflows. Its **smooth, seamless glass construction** eliminates crevices where contaminants could accumulate, while the **polished interior surface** minimizes adsorption of volatile or sensitive compounds, preserving sample integrity for accurate analytical results.

The **1/4 HB GL-45 screw-thread cap** is a standout feature, offering a secure, leak-proof seal that is both user-friendly and chemically inert. The **GL-45 standard** ensures compatibility with a wide range of laboratory equipment, including peristaltic pumps, automated dispensing systems, and custom adapters, making it a versatile choice for fluid transfer applications. The cap s **metal-to-glass threading** prevents slippage or cross-threading, while its **smooth, ground finish** reduces friction during repeated opening and closing, prolonging the bottle s usability. For added convenience, the cap can be easily removed and replaced without tools, and its **standardized dimensions** allow for easy integration into existing laboratory protocols or storage systems.

Beyond its functional excellence, this bottle is engineered with **ergonomic and safety considerations** in mind. The **thick, reinforced glass walls** provide structural integrity to withstand pressure from vacuum or positive displacement transfers, while the **rounded, easy-grip shape** allows for secure handling without slippage. The **durable, scratch-resistant exterior** resists wear from frequent use, ensuring a professional appearance even after prolonged exposure to laboratory environments. Whether used for storing organic solvents, aqueous buffers, or volatile reagents, this bottle maintains its clarity and structural integrity, offering transparency for visual inspection and a consistent visual reference for inventory management.

Ideal for applications in **pharmaceutical synthesis, biochemical research, analytical chemistry, and industrial process development**, the Chemglass Duran Schott CL5-1423 excels in environments where **sterility, chemical resistance, and precision** are paramount. Its **autoclavable design** (up to 121 C) accommodates sterilization protocols, making it suitable for microbiological studies or aseptic processing. Additionally, the bottle s **compatibility with standard laboratory glassware** such as separatory funnels, condensers, or reaction flasks enables seamless integration into complex workflows. For laboratories prioritizing **long-term investment in high-quality glassware**, this bottle represents a robust, cost-effective solution that balances performance, durability, and ease of use, ensuring reliable service for years of demanding scientific work.

### **Pros and Cons of buying a Chemglass Duran Schott CL-51423 2L Glass Transfer Media Bottle**

1. **High-Quality Glass Construction** Made from **Duran Schott borosilicate glass (Type 3.3)**, which is chemically resistant, durable, and capable of withstanding high temperatures (up to 500 C). This makes it ideal for laboratory use, including storage of corrosive chemicals, solvents, and biological samples.

2. **Leak-Proof Design** Features a **GL-45 ground glass joint**, which provides a tight, reliable seal when properly lubricated. This prevents leaks during transfers, making it suitable for precise applications in chemistry, biochemistry, and pharmaceuticals.

3. **Compatibility with Standard Laboratory Equipment** The **1/4 HB joint** is widely used in lab glassware, allowing it to connect seamlessly with adapters, funnels, and other glassware systems without additional modifications.

4. **Durability and Longevity** Borosilicate glass is less prone to thermal shock and chemical degradation compared to soda-lime glass, ensuring long-term use even with frequent cleaning or exposure to harsh substances.

- **Chemical storage and transfer** (acids, bases, organic solvents)

- **Biological sample handling** (cell cultures, DNA/RNA extraction)

- **Reagent preparation** (due to its inertness)

- **Vacuum or pressure applications** (when properly sealed)

6. **Easy to Clean and Sterilize** Resistant to most cleaning agents (including strong acids and bases) and can be autoclaved or baked for sterilization, making it suitable for sterile environments.

7. **Standardized Sizing** The **2L (2000mL) capacity** is a common lab volume, ensuring compatibility with most lab protocols and storage solutions.

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1. **Fragility Compared to Plastic** While borosilicate glass is durable, it is still breakable. Dropping or mishandling can cause cracks or shattering, especially if the glass is already stressed or damaged.

2. **Requires Proper Lubrication for GL-45 Joint** The ground glass joint must be lubricated with a **silicone-based or PTFE-based grease** to prevent sticking and ensure a leak-proof seal. Failure to lubricate can lead to leaks or difficulty in opening/closing.

3. **Heavier Than Plastic Alternatives** The glass bottle is significantly heavier than plastic or HDPE containers, which can be cumbersome for frequent handling, especially in large quantities.

4. **Limited to Glass-Compatible Applications** Not suitable for UV-sensitive compounds (glass absorbs some UV light) or applications requiring transparency to visible light (e.g., certain spectroscopic analyses).

5. **Higher Cost Than Plastic** Borosilicate glassware is more expensive than disposable plastic bottles, though it offers better long-term value for repeated use in labs.

6. **Potential for Contamination** If not cleaned thoroughly, residual chemicals or lubricants from the GL-45 joint can contaminate samples. Requires careful maintenance.

7. **Not Ideal for High-Pressure Systems** While it can handle moderate vacuum or pressure, extreme conditions may compromise the seal or integrity of the glass.

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The **Chemglass Duran Schott CL-51423 2L glass transfer bottle** is an excellent choice for **high-quality, long-term laboratory use**, particularly in applications requiring **chemical resistance, temperature stability, and leak-proof transfers**. Its borosilicate glass construction ensures durability, while the **GL-45 joint** provides a reliable sealing mechanism for precise work. However, its **fragility, weight, and maintenance requirements** (such as proper lubrication) may make it less ideal for **high-volume, low-risk, or non-laboratory settings**.

- You work in a **lab setting** (chemistry, biology, pharmaceuticals) where **chemical resistance and precision** are critical.

- You need **reusable, high-quality glassware** for **long-term storage or repeated use**.

- You require **compatibility with standard lab glassware systems** (e.g., for vacuum filtration, solvent transfers).

- You need **lightweight, disposable, or cost-effective** storage (e.g., HDPE plastic bottles).

- Your application involves **UV-sensitive compounds** or **high-pressure systems** (where plastic or specialized glass may be better).

- You lack the **storage space or handling precautions** for fragile glassware.

**Final Verdict:** For most **serious laboratory applications**, this bottle is a **highly recommended investment** due to its reliability and performance. However, weigh the **cost, maintenance, and safety considerations** against your specific needs before purchasing.

Details:

BIOTECH BARGAINS item for sale. GSR veers 1736 GS 9.9.5 1736 New in box. Accepts 1/4 ID tubing. GL-5 vented cap.

part #: cls14232l prices

• $44.99-$185.99

specifications plasticwarelabsuppy:

• brand: Chemglass Duran Schott
• mpn: Cls-1423-2l
• model: 2000ml
• part type: Transfer Cap
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory
• country of origin: United States
• unit type: Unit
• material: Borosilicate Glass
• additional search terms: Surplus Laboratory Bench Supplies Consumables

seller plasticwarelabsuppy:

• rating: 99.8%
• city: Bristol, Connecticut
• # reviews: 11918

returns plasticwarelabsuppy:

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

payments plasticwarelabsuppy:

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

offer plasticwarelabsuppy:

• options: Ship-to-home
• started: April 30, 2026
• quantity: 1
• sold: 0
• availability: In Stock

shipping plasticwarelabsuppy:

• cost: $0.00
• transit: 4-7 Days
• carrier: FedEx
• type: Fixed
• class: Standard, Expedited, One-day
• service: Standard, FedEx 2Day, FedEx Standard Overnight

general plasticwarelabsuppy:

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

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