Secure your laboratory solutions with this high-performance 250ml Narrow Mouth Reagent Bottle. Expertly crafted from Type 3.3 Borosilicate Glass, this bottle is designed to resist thermal shock and withstand corrosive chemicals, including acids, bases, and solvents.
The narrow-mouth design provides exceptional control during pouring, significantly reducing the risk of accidental spills and minimizing the evaporation of volatile reagents. Paired with an interchangeable, acid-proof plastic (polypropylene) stopper, this bottle ensures an airtight, leak-proof seal that will not “seize” or stick—a common issue with traditional glass-on-glass joints. This makes it an ideal choice for both long-term storage and high-frequency laboratory use.
Key Features
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Superior Durability: Made from 3.3 Borosilicate glass for maximum resistance to chemical attack and thermal shock up to .
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Controlled Pouring: The narrow neck design enables precise dispensing and protects against contamination.
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Non-Sticking Stopper: Includes a durable polypropylene (PP) stopper that provides a reliable seal without the risk of seizing.
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Safety & Compliance: Designed to meet international laboratory standards (ISO 4796-2) for chemical storage.
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Fully Autoclavable: Both the glass bottle and the plastic stopper are suitable for repeated sterilization at .





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