Reagent Bottle Narrow Mouth with Stopper

DescriptionThe Reagent Bottle Narrow Mouth with Stopper from Osmosis Scientific is a precision-crafted laboratory bottle designed for safe containment and handling of chemical reagents, media, and solutions. Manufactured from high-quality, Class-A Boro 3.3 borosilicate glass, it offers exceptional resistance to thermal shock and aggressive chemicals typical in research, diagnostic, and industrial lab environments.Its narrow mouth design allows for more controlled filling and dispensing compared to wide-neck alternatives, helping reduce evaporation, lower contamination risk, and ensure precise reagent handling. The included pressed flat glass stopper forms a tight, reliable seal that prevents spills and protects sample integrity during storage or transportation.This reagent bottle provides clearly visible white enamel graduated markings and a large, durable marking area for easy volume estimation and labeling in busy laboratory workflows.Durable, easy to clean, and autoclavable when used with a compatible stopper, this bottle is ideal for research facilities, educational labs, quality control environments, and pharmaceutical or chemical production settings where precision and safety are essential.Common Uses and ApplicationsAcid and Base Storage: Safely holds strong acids and alkalis that would damage plastic or low-quality glass.Standard Solutions: Ideal for storing prepared liquid standards used in analytical chemistry and titrations.Long-Term Archiving: The airtight stopper makes it perfect for storing sensitive chemicals for long periods without degradation.Wide Range of Sizes: Available in sizes from 30ml for small samples up to 2000ml for bulk laboratory reagents.Reagent Bottle Narrow Mouth with Stopper – Borosilicate 3.3 Storage Bottles with Interchangeable Glass StoppersCapacity (mL)Stopper No.Pack ofSKUEnquiry125191RBNMS-0125Enquire Now250191RBNMS-0250Enquire Now500241RBNMS-0500Enquire Now1000291RBNMS-1000Enquire Now2000291RBNMS-2000Enquire NowQuick Product EnquiryYour Name (required) Email (required) Phone (optional) Product / SKU (required) Quantity (optional) Your Message We respond within 24 working hours.Frequently Asked Questions (FAQs)What is a Reagent Bottle Narrow Mouth with Stopper used for?It is used to securely store and handle chemical reagents, solutions, and media in laboratories. The stopper ensures a tight seal and protects contents from contaminationWhat material is this reagent bottle made of?It is made from high-quality Boro 3.3 borosilicate glass meeting high-quality, Class-A specifications.Does it come with a stopper?Yes — it includes a pressed flat glass stopper designed for secure sealing and leak resistance.What capacities are available?Common ml sizes include 125 ml, 250 ml, 500 ml, 1000 ml, and 2000 ml.Is this bottle chemically resistant?Yes — the borosilicate glass construction provides excellent resistance to acids, alkalis, and solvents.