Narrow Mouth Bottles

<h2 data-section-id="6wvx9q" data-start="0" data-end="44">What Are Narrow Mouth Laboratory Bottles?</h2>
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Narrow-mouth laboratory bottles are storage containers designed with a small neck opening, typically between 18 mm and 38 mm in diameter. This design allows for controlled pouring, minimizes evaporation, reduces contamination risk, and helps limit vapor loss when storing volatile liquids. The most common narrow-mouth bottle style is the Boston round, which features a cylindrical body, rounded shoulders, and a threaded neck that provides excellent durability and efficient liquid handling. Globe Scientific Diamond RealSeal narrow-mouth bottles are available in HDPE, LDPE, and polypropylene (PP) materials, with capacities ranging from 4 mL to 8 L. Amber HDPE versions are also available for storing light-sensitive chemicals and reagents. For most laboratory applications, HDPE remains the preferred material due to its excellent chemical resistance and low extractables, while PP is selected when autoclaving is required.
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<h2 dir="ltr">What you will find:</h2>
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Small narrow mouth bottles (30&ndash;100 mL) for reagents and aliquots
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Medium bottles (125&ndash;500 mL) for routine laboratory use
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Large bottles (1&ndash;2 L) for bulk solution storage
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HDPE narrow mouth bottles for chemical-resistant applications
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Polypropylene bottles for autoclave-compatible workflows
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Amber narrow mouth bottles for light-sensitive reagents
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Graduated bottles for easy volume monitoring
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<h2 data-section-id="1xrkoag" data-start="975" data-end="1012">How to Choose Narrow Mouth Bottles</h2>
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Material Selection
HDPE is the standard choice for general laboratory reagent storage because it offers broad chemical compatibility, excellent durability, and resistance to low temperatures. LDPE provides similar chemical resistance but with greater flexibility, making small bottles easier to squeeze and pour. Polypropylene bottles are suitable for applications requiring sterilization, as they can withstand autoclaving at 121&deg;C. Amber HDPE bottles are recommended for photosensitive compounds because they reduce exposure to UV and visible light that may degrade sensitive materials.
Volume Requirements
Small-volume bottles from 4 mL to 30 mL are commonly used for standards, reference materials, working solutions, and sample transport. Medium-sized bottles ranging from 60 mL to 500 mL are ideal for routine laboratory reagents, buffers, and water samples. Larger formats from 1 L to 8 L are typically used for bulk reagent storage, field sampling, media preparation, and industrial laboratory applications where larger quantities of liquid must be stored safely.
Closure Compatibility
Closure size is an important consideration when selecting narrow-mouth bottles. Smaller bottles typically use 18 mm closures, medium bottles commonly use 24 mm or 28 mm closures, and larger bottles use 38 mm closures. Using the correct cap size ensures a proper seal and prevents leaks, evaporation, and thread damage caused by mismatched closures.
Diamond RealSeal vs. Diamond Essentials
Diamond RealSeal bottles are supplied with attached caps and are individually packaged to provide convenience and consistent quality. Diamond Essentials bottles are designed for high-volume users and are supplied in bulk packaging, with bottles and caps packaged separately. Laboratories processing large numbers of samples often choose the Diamond Essentials range to reduce packaging costs while maintaining the same bottle performance.
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<h2 data-section-id="1jl751w" data-start="3600" data-end="3625">Specifications Context</h2>
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Globe Scientific Diamond RealSeal narrow-mouth Boston round bottles are manufactured from virgin FDA-compliant resins and feature precision-molded construction with consistent wall thickness for reliable performance. The Diamond RealSeal polypropylene closure incorporates an integral sealing system that provides leak-resistant storage without the need for separate liners or gaskets. These bottles are widely used across pharmaceutical, environmental, clinical, food testing, cosmetics, water analysis, and industrial laboratories. As of 2026, 250 mL and 500 mL HDPE narrow-mouth Boston round bottles remain among the most commonly used formats for reagent storage, environmental sampling, and analytical laboratory applications.&nbsp;
<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Connect with the MBP team today</a> to explore our full range of dimensions and material specifications, and find the perfect narrow-mouth bottle for your laboratory&rsquo;s daily demands.

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Diamond® Essentials™ Bulk Narrow Mouth HDPE Bottles Specifications

Diamond® Essentials™ Bulk Narrow Mouth HDPE Bottles

Diamond® Essentials™ Bulk Narrow Mouth HDPE Bottles by Globe Scientific are narrow-mouth Boston Round HDPE bottles, bulk-packed with bottles and caps separately bagged. Medical-grade HDPE body; linerless leakproof PP cap. Freezer-safe; resistant to most corrosives. Available 4mL-1000mL in White or Amber.

Manufacture

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 4mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 8mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 15mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 30mL, Bulk Packed with Bottles and Caps Bagged Separately, 1000/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 60mL, Bulk Packed with Bottles and Caps Bagged Separately, 1000/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 125mL, Bulk Packed with Bottles and Caps Bagged Separately, 500/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 250mL, Bulk Packed with Bottles and Caps Bagged Separately, 250/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 500mL, Bulk Packed with Bottles and Caps Bagged Separately, 125/Case

Bottle, Narrow Mouth, Boston Round, HDPE with PP Closure, 1000mL, Bulk Packed with Bottles and Caps Bagged Separately, 50/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 4mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 8mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 15mL, Bulk Packed with Bottles and Caps Bagged Separately, 2000/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 30mL, Bulk Packed with Bottles and Caps Bagged Separately, 1000/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 60mL, Bulk Packed with Bottles and Caps Bagged Separately, 1000/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 125mL, Bulk Packed with Bottles and Caps Bagged Separately, 500/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 250mL, Bulk Packed with Bottles and Caps Bagged Separately, 250/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 500mL, Bulk Packed with Bottles and Caps Bagged Separately, 125/Case

Bottle, Narrow Mouth, Boston Round, Amber HDPE with Amber PP Closure, 1000mL, Bulk Packed with Bottles and Caps Bagged Separately, 50/Case

Diamond RealSeal™ Bottle -  Brochure

Diamond® RealSeal™ Narrow Mouth HDPE Bottles Specifications

Diamond® RealSeal™ Narrow Mouth HDPE Bottles

The Diamond® RealSeal™ Narrow Mouth HDPE Bottles by Globe Scientific are medical-grade natural HDPE Boston round bottles with linerless PP closures, rated −100°C to 120°C and compliant with USP Class VI and FDA standards. Cap thread scales from 20 mm (30–60 mL) to 38 mm (1000 mL). Available in 30 mL (7060030), 60 mL (7060060), 125 mL (7060125), 250 mL (7060250), 500 mL (7060500), and 1000 mL (7061000).

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 30mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 60mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 125mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 250mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 500mL, 12/Pack, CS/48

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, 1000mL, 6/Pack, CS/24

Diamond® RealSeal™ Amber Narrow Mouth HDPE Bottles Specifications

Diamond® RealSeal™ Narrow Mouth HDPE Bottles, Amber Color

The Diamond® RealSeal™ Narrow Mouth Amber HDPE Bottles by Globe Scientific are medical-grade amber HDPE Boston round bottles with linerless amber PP closures for light-sensitive liquid storage, rated −100°C to 120°C and compliant with US Pharmacopoeia and FDA standards. Available in 30 mL (7060030AM), 60 mL (7060060AM), 125 mL (7060125AM), 250 mL (7060250AM), 500 mL (7060500AM), and 1000 mL (7061000AM).

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 30mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 60mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 125mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 250mL, 12/Pack, CS/72

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 500mL, 12/Pack, CS/48

Bottle, Narrow Mouth, HDPE Bottle, Attached PP Screw Cap, Amber, 1000mL, 6/Pack, CS/24

Brochure

Diamond® RealSeal™ Narrow Mouth LDPE Bottles Specifications

Diamond® RealSeal™ Narrow Mouth LDPE Bottles

Diamond® RealSeal™ Narrow Mouth LDPE Bottles are available in the following variants: 7070030, 7070060, 7070125, 7070250, 7070500, 7071000.7070030 by Globe Scientific — Diamond® RealSeal™ Narrow Mouth LDPE Bottle (Boston Round), 30 mL, PP screwcap. USP Class VI medical-grade resin, flexible, impact resistant. 12/bag.

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 30mL, 12/Pack, CS/72

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 60mL , 12/Pack, CS/72

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 125mL, 12/Pack, CS/72

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 250mL, 12/Pack, CS/72

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 500mL, 12/Pack, CS/48

Bottle, Narrow Mouth, LDPE Bottle, Attached PP Screw Cap, 1000mL, 6/Pack, CS/24

Diamond® RealSeal™ Narrow Mouth PP Bottles Specifications

Diamond® RealSeal™ Narrow Mouth PP Bottles

The Diamond® RealSeal™ Narrow Mouth PP Bottles by Globe Scientific are autoclavable polypropylene narrow-mouth storage bottles with attached PP linerless RealSeal™ screw caps, rated –40°C to 121°C and resistant to most corrosives and solvents. Sold in packs of 12. Available in 30 mL (7050030), 60 mL (7050060), 125 mL (7050125), 250 mL (7050250), 500 mL (7050500), and 1000 mL (7051000).

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 30mL, 12/Pack, CS/72

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 60mL, 12/Pack, CS/72

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 125mL, 12/Pack, CS/72

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 250mL, 12/Pack, CS/72

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 500mL, 12/Pack, CS/48

Bottle, Narrow Mouth, PP Bottle, Attached PP Screw Cap, 1000mL, 6/Pack, CS/24

Narrow Neck, Round Bottles, LDPE Specifications

Narrow Neck, Round Bottles, LDPE

Globe Scientific Narrow Neck Round LDPE Bottles: flexible, squeeze-dispensing, graduated, PP screwcap with plug insert, food-contact approved, tamper-evident tagging points. 5 volumes (50–2000 mL) × 3 pack formats each (bag/12, full case, bulk multi-bag). 15 SKUs total.

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, BOX/100

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 50mL, 100/Bag, 4 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, BOX/100

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 125mL, 100/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, BOX/50

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 250mL, 50/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, BAG/12

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, BOX/25

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 500mL, 25/Bag, 6 Bags/Unit

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, BAG/4

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, BOX/20

Bottle with Screwcap, Narrow Mouth, LDPE, Graduated, 2000mL, 20/Bag, 2 Bags/Unit

United States

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