Dispensing bottles are essential large‑capacity containers for solution storage and quantitative dispensing in laboratories, precision‑manufactured from borosilicate glass 3.3. Featuring a precision glass stopcock at the bottom or side of the body, they enable convenient liquid access and quantitative dispensing without the need for pouring. Suitable for storing and dispensing distilled water, purified water, standard solutions, and various reagents in large volumes, they are indispensable tools in chemistry, pharmaceutical, and biology laboratories.
To be confirmedCapacity
148 – 286 mmBody O.D.
290 – 540 mmHeight
To be confirmedStopcock Size
Specifications are subject to confirmation with your enquiry.
Please contact us to confirm the available specifications.
* Custom capacities and special specifications are available upon request.
* Standard configuration includes a glass stopcock. PTFE stopcocks are available upon request.
Product Description
Dispensing bottles are essential large‑capacity containers for solution storage and quantitative dispensing in laboratories, precision‑manufactured from borosilicate glass 3.3. Featuring a precision glass stopcock at the bottom or side of the body, they enable convenient liquid access and quantitative dispensing without the need for pouring. The clear glass body allows easy observation of contents and remaining volume, making them ideal for storing and dispensing distilled water, purified water, standard solutions, and various reagents in large volumes in chemistry, pharmaceutical, and biology laboratories.
Key Features
Borosilicate glass 3.3: ISO 3585 compliant, thermal shock resistant to 280°C, excellent chemical resistance
Precision glass stopcock: Precision‑ground for a tight seal, smooth rotation, and precise dispensing control
High clarity: Clear glass body allows easy observation of contents and remaining volume
Convenient dispensing: Quick liquid access via stopcock without pouring — safe and easy operation
Large capacities: Available in 2500mL, 5000mL, 10000mL, and 20000mL
Quality Assurance
Every unit undergoes rigorous dimensional inspection, stopcock seal integrity testing, and visual examination to ensure smooth, reliable dispensing performance.
Note: Dispensing bottles are designed for storing and dispensing distilled water, purified water, standard solutions, and various reagents in large volumes. The stopcock should be cleaned promptly after use to prevent residue from hardening and causing sticking or seal failure. For long‑term storage, apply a small amount of lubricant (e.g., petroleum jelly) to the stopcock to maintain smooth operation.
Applications
Typical Uses
Chemistry labs
Large‑volume storage and dispensing of distilled water, purified water, standard solutions, and reagents
Pharmaceutical industry
Large‑volume storage and dispensing of purified water, water for injection, and buffer solutions
Biology labs
Large‑volume storage and dispensing of media, buffers, and washing solutions
Educational labs
Large‑volume storage and dispensing of common solutions for university and high school chemistry labs
Food testing
Large‑volume storage and dispensing of solvents for food sample preparation
Compatibility Recommendations
Bottle + Glass Stopcock
Standard configuration for most aqueous solution dispensing
Bottle + PTFE Stopcock
Recommended for organic solvents and corrosive liquids — superior chemical resistance
Bottle + Ground Glass Stopper
Ground stopper at the neck ensures sealing during storage
Bottle + Label
Use solution labels for easy identification of contents
Tip: Dispensing bottles are among the most common large‑capacity solution storage and dispensing tools in laboratories. Clear dispensing bottles are suitable for general solutions, while amber dispensing bottles are recommended for light‑sensitive solutions. For organic solvents and corrosive liquids, we recommend PTFE stopcock configuration.
Operation & Maintenance
Dispensing Bottle User Guide
03
Before Use
Inspect for cracks, chips, or scratches before use
Ensure the bottle is clean and dry to prevent contamination
Check that the stopcock rotates smoothly — no sticking or looseness
Verify stopcock seal integrity — no leakage when closed
04
Dispensing Procedure
Pour solution slowly down the inner wall to avoid splashing
Seal the neck with the ground stopper
Place the receiving container under the stopcock
Gently rotate the stopcock 90° to start liquid flow
Rotate the stopcock back to the closed position once the desired volume is reached
Rinse the stopcock and bottle with distilled water after use
05
Cleaning & Maintenance
Clean promptly after use to prevent residue from hardening
Remove the stopcock and clean the bore with detergent and a soft brush
For stubborn residues, soak in dilute acid or specialty cleaning solution
Allow to air‑dry inverted on a draining rack
For long‑term storage, apply a small amount of lubricant (e.g., petroleum jelly) to the stopcock to prevent seizing
Care & Notes
Show care & notes
Safety Notice
Always inspect for cracks or damage before use — damaged bottles may break during use
For organic solvents, we recommend PTFE stopcocks to prevent glass‑to‑glass seizing
Do not
Do not force the stopcock if it sticks — check for crystallized residue blocking the bore
Do not apply excessive force when rotating the stopcock — this may damage the stopcock or the bottle
Handle with care — avoid impact and rough handling
