Overview
Small volume reagent bottles are specialized containers used in laboratories to store and handle small quantities of liquid chemicals, typically between 1 mL and 100 mL. These bottles are designed to ensure chemical stability, prevent contamination, and facilitate precise measurements. They are available in glass (often borosilicate) or plastic (polyethylene or polypropylene), with options for clear or amber coloring to protect light-sensitive contents. Reagent bottles come with various closure types, such as screw caps, snap caps, or dropper caps, to suit different applications. Their compact size makes them ideal for bench-top experiments, sample storage, and reagent dispensing in research, pharmaceutical, and industrial settings.
Physical and Chemical Properties
Glass reagent bottles, particularly those made from borosilicate, offer high thermal and chemical resistance, making them suitable for aggressive solvents and autoclaving. Plastic bottles, on the other hand, are lightweight and shatterproof but may have limitations with certain organic solvents. Both types are designed to be leak-proof and often feature graduations for approximate volume measurement. Amber-colored bottles provide UV protection for photosensitive chemicals, while clear bottles allow for easy visual inspection of contents. The choice of material and color depends on the chemical properties of the stored substance and the required durability under lab conditions.
Main Applications
Small volume reagent bottles are indispensable in analytical chemistry, molecular biology, and clinical diagnostics for storing buffers, standards, and reactive reagents. They are also used in pharmaceutical labs for drug formulation and quality control. Their precision and reliability make them ideal for high-throughput screening and automated lab systems. In industrial settings, these bottles are employed for process monitoring and small-batch chemical handling. Their versatility extends to educational labs, where they are used for demonstrations and student experiments requiring controlled reagent quantities.
Safety and Storage
Proper selection of reagent bottles is critical for safety. Always match the bottle material to the chemical’s compatibility—glass for strong acids/bases, and plastic for hydrofluoric acid or other glass-reactive substances. Ensure closures are tightly sealed to prevent evaporation or leakage, especially for volatile or hazardous chemicals. Store bottles upright in cool, dry places, away from direct sunlight (unless using amber glass). Label all bottles clearly with contents, concentration, and hazard symbols. For long-term storage, consider inert gas purging to minimize oxidation. Regularly inspect bottles for cracks or degradation, particularly after repeated autoclaving.
B2B Procurement Guide
When procuring small volume reagent bottles in bulk, prioritize suppliers with ISO 9001 certification to ensure consistent quality. Key considerations include material compatibility (request chemical resistance charts), closure integrity (leak-test certifications), and volume accuracy tolerances. Glass bottles should meet USP/EP standards for pharmaceutical use. For cost efficiency, evaluate bulk discounts and reusable options. Custom printing (e.g., graduations, logos) may be available for large orders. Lead times can vary, especially for amber glass due to specialized manufacturing. Sample testing with your specific chemicals is recommended before large-scale procurement.
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