Best Liquid Nitrogen Dewar Updated for 2025

Which models offer the perfect balance of efficiency, durability, and innovation? How do you ensure ultra-low temperature storage for sensitive biological samples or industrial materials in 2025?

A liquid nitrogen (LN2) dewar is a specialized insulated container designed to store and transport cryogenic liquids at extremely low temperatures (-196°C). Updated for 2025, the best models now feature advanced materials like aerospace-grade aluminum, IoT monitoring systems, and eco-friendly designs, ensuring minimal evaporation and maximum sample security across industries from biobanking to aerospace.

This article showcases 10 top-of-the-line liquid nitrogen dewars for 2025, ranging from compact fieldwork models to high-capacity industrial solutions, each tailored to specific needs in labs, healthcare, aerospace, and agriculture. Let’s uncover the best LN₂ dewar to elevate your cryogenic storage efficiency in 2025!

Laboratory Dewar for LN2 Storage
Liquid Nitrogen Storage Dewars LD Series
CL/CLPB Series Cryogenic Dewars
Liquid Dewar, 5 Liters
Liquid Nitrogen DEWAR NF 60 LTR
Antech 20L LN2 Dewar with Canisters
25LD LN2 Storage Dewar (25 Liter)
LN2 Dewars for Biomedical Use
High-Capacity LN2 Storage Dewars
Smart LN2 Dewar with IoT Integration

1. Laboratory Dewar for LN2 Storage

The Banagee LAB Series liquid nitrogen dewars provide a convenient and economical solution for storing and dispensing liquid nitrogen, designed for laboratories requiring reliable cryogenic storage. Featuring a 50mm narrow neck, these dewars significantly reduce liquid nitrogen consumption while maintaining efficient thermal insulation. The standard KF NW50 connection ensures seamless compatibility with Banagee accessories, including the YDB-8 manual dispenser and the BD-50B automatic dispenser, offering flexibility for various liquid nitrogen handling needs.

Engineered for performance and durability, the LAB Series dewars deliver ultra-low LN2 evaporation rates, with static evaporation ranging from 0.12 to 0.23 L/day depending on model capacity. Their lightweight yet robust construction ensures easy handling, while the space-saving design makes them ideal for lab environments with limited space. Each unit comes with a two-year parts warranty and an industry-leading five-year vacuum warranty, guaranteeing long-term reliability.

Available in multiple capacities from 3L to 50L, the LAB Series caters to diverse storage requirements. The range includes models with optional roller bases (BD-30 and BD-47) for improved mobility, as well as manual and automatic dispensing solutions for precise LN2 transfer. Additionally, an optional LN2 dipper enhances sample retrieval efficiency. Whether used for biological sample storage, cryopreservation, or industrial cooling applications, the Banagee LAB Series dewars combine advanced engineering with practical functionality for superior liquid nitrogen management.

2. Liquid Nitrogen Storage Dewars LD Series

The Mitegen LD Series cryogenic liquid nitrogen dewars are specifically designed for storing and dispensing small quantities of liquid nitrogen with maximum efficiency. This versatile product line includes two specialized designs: the LD5 beaker-style dewar featuring a wide mouth for easy access, and the LD4 pitcher-style model optimized for controlled pouring. These dewars offer exceptional static holding times ranging from 6 to 152 days depending on model selection, with evaporation rates as low as 0.21 liters per day in the Classic 25 model.

Available in capacities from 4 to 50 liters, the LD Series accommodates diverse laboratory needs. The dewars feature varying neck diameters from 30mm to 142mm, with the LD5's particularly wide 142mm opening facilitating easy sample handling. Empty weights range from a lightweight 3.0kg (LD4) to 17.6kg (LD50), while full weights scale accordingly up to 58.0kg for the largest capacity model. The series includes multiple accessory options such as liquid withdrawal devices (P/N 369383), roller bases, tipping stands, and dippers (P/N 366744) to enhance functionality.

With compact dimensions starting at just 432mm in height and 193mm in diameter for the smaller units, the LD Series dewars are designed for space-conscious laboratories. The larger models maintain manageable footprints while offering substantially greater capacity, with the LD50 measuring 823mm tall and 475mm in diameter. Whether used for routine cryogenic storage, sample handling, or specialized applications, the Mitegen LD Series provides reliable liquid nitrogen management solutions for research and industrial settings.

3. CL/CLPB Series Cryogenic Dewars

The Cryofab CL/CLPB Series liquid nitrogen dewar represents a versatile line of cryogenic dewars engineered for safe storage and dispensing of liquid nitrogen, oxygen, and argon. These portable tanks combine robust stainless steel construction with thoughtful ergonomic features, including integrated handles and weight-optimized casters for effortless mobility. The series offers two distinct pressure configurations: the CL Series operates as non-pressurized storage vessels, while the CLPB Series incorporates an innovative self-pressurizing system that eliminates dependency on external pressurization equipment.

Designed for operational excellence, these dewars feature critical safety components including a tri-cock configured vent valve to prevent overfilling, a relief valve for pressure regulation, and an intuitive differential pressure-type liquid level gauge. Available in capacities ranging from 15L to 500L (with custom configurations up to 5000L), each unit maintains precise pressure control - the CLPB models specifically regulate between 10-25 PSI via an adjustable regulator. The series accommodates diverse workflows through optional accessories like removable manifolds, electric pressure building systems, and specialized withdrawal ports (gravity feed or solenoid-activated).

Cryofab's engineering prioritizes customization, offering configurable solutions such as wing nut/pedal locking casters for secure transport and dedicated solenoid ports for automated dispensing. Laboratories and industrial users benefit from the tanks' compliance with rigorous cryogenic standards, evidenced by features like the full-diameter fill/withdrawal valves and explosion-proof construction. For specialized applications, Cryofab provides custom design services to integrate unique requirements like vertical withdrawal ports or hybrid pressure systems.

4. Liquid Dewar, 5 Liters

The CryoSafe™ LD5 liquid nitrogen dewar represents an advanced solution for safe and efficient cryogenic storage, designed specifically for laboratories requiring reliable small-capacity LN2 management. This 5-liter unit features super-insulated construction that minimizes evaporation losses while maintaining optimal thermal performance. The dewar's design accommodates multiple dispensing methods including pouring spouts, dipper tubes, and pressurized manual withdrawal devices, providing flexibility for various laboratory workflows.

As part of CryoSafe's comprehensive LD product line (ranging from 4L to 50L capacities), the LD5 model stands out for its insulated neck tube design that further reduces liquid nitrogen consumption. The unit comes with robust warranty coverage including 3-year protection for all parts and labor, backed by an industry-leading 5-year vacuum warranty that guarantees long-term thermal efficiency. Its compact dimensions and lightweight construction make it particularly suitable for bench-top applications where space optimization is critical.

The dewar's engineering prioritizes both safety and operational convenience, featuring materials and construction techniques that meet rigorous cryogenic standards. For laboratories requiring different storage volumes, CryoSafe™ offers parallel options including 10L, 20L, 32L and 50L configurations within the same product family, all maintaining consistent quality standards and accessory compatibility.

5. Liquid Nitrogen DEWAR NF 60 LTR

The LindeDirect NI M-LT60 liquid nitrogen represents a specialty portable cryogenic solution for liquid nitrogen storage and transport, featuring a 60-liter capacity in the durable LT60-style cylinder configuration. Currently available for both immediate delivery and pickup (including shipment to ZIP code 90012), this dewar combines Linde's engineering expertise with practical cryogenic handling needs.

Constructed with high-grade stainless steel, the unit ensures safe containment while maintaining excellent thermal insulation properties to minimize LN2 evaporation. The design incorporates essential safety features including pressure relief systems and secure closure mechanisms, making it ideal for laboratory, medical, and industrial applications requiring reliable medium-capacity LN2 storage.

As part of Linde's comprehensive cryogenic product line, the NI M-LT60 model delivers consistent performance for users needing portable liquid nitrogen solutions. Its balanced 60L capacity provides substantial storage volume while remaining manageable for facility transport and handling operations.

6. Antech 20L LN2 Dewar with Canisters

The Antech CryoMajor 20/50L represents a specialized 20-liter liquid nitrogen dewar designed for optimal biological sample storage in straws, featuring an impressive 167-day static holdover time and ultra-low LN2 consumption. This model comes standard with round canisters (38mm diameter × 276mm height) configured in a 2-layer design capable of storing 1,200 half-cc straws or 2,580 quarter-cc straws, making it particularly suitable for cryopreservation applications in research and medical facilities.

With compact dimensions (396mm diameter × 688mm height) and a 50mm neck opening, the dewar combines space efficiency with practical access. The unit includes MSE Supplies' comprehensive warranty coverage - 2 years on parts and 5 years on vacuum integrity - ensuring long-term reliability. While the 20L capacity doesn't qualify for roller base inclusion (available for ≥30L models), its lightweight construction facilitates manageable transport within laboratory environments.

As part of the CryoMajor series (ranging 2L-50L capacities), this model shares the product line's signature features including optimized insulation for minimal evaporation and standardized canister compatibility. For larger-scale operations, the series offers expanded configurations like the CryoMajor 20/80L model supporting up to 3,984 half-cc straws in its 2-layer canister system.

7. 25LD LN2 Storage Dewar (25 Liter)

The Evergreen Midwest 25LD liquid nitrogen dewar is a professional-grade 25-liter liquid nitrogen storage dewar designed for reliable cryogenic preservation across multiple industries. Featuring standard neck inserts and undergoing rigorous quality testing before shipment, this unit meets stringent performance requirements for research laboratories, medical facilities, and industrial applications. The dewar's construction ensures optimal thermal insulation for efficient LN2 storage while maintaining safety standards.

With current availability (as of May 2025) and accessible through SKU 25LD E-21-5300, this model serves diverse sectors including pharmaceutical development, veterinary medicine, university research, and clinical dermatology. Its commercial-grade durability makes it equally suitable for industrial cryogenic processes requiring consistent liquid nitrogen supply.

8. LN2 Dewars for Biomedical Use

The IC Biomedical LN2 Dewar liquid nitrogen dewar product line offers seven specialized vessel styles (4LD to 50LD capacities) engineered for secure cryogenic storage and controlled dispensing of liquid nitrogen. Featuring ribbed high-strength aluminum bodies with magneformed necktube technology, these dewars combine durability with advanced insulation materials to maximize thermal efficiency and minimize LN2 evaporation losses. The series includes specialized models like the Worthington_LD35 (35L) and Classic-25 variant alongside standard configurations.

Complementary accessories include liquid withdrawal devices and the LD25 tipping stand system for ergonomic sample handling. Each dewar undergoes rigorous quality validation to ensure reliable performance across research laboratories, clinical settings, and industrial cryogenic applications. The product line's 4-50L capacity range accommodates diverse workflow requirements while maintaining consistent safety standards through reinforced structural designs and optimized thermal barriers.

9. High-Capacity LN2 Storage Dewars

The BOC DW Series liquid nitrogen dewar offers a comprehensive range of cryogenic dewars (3.9L to 50L capacities) specifically engineered for laboratory and medical liquid nitrogen storage. Available in five precision-calibrated sizes (3.9L, 10.5L, 20.5L, 31.3L, and 50L), these dewars feature superior vacuum insulation technology achieving industry-leading thermal performance with evaporation rates as low as 0.22L/day in comparable models. The series starts at $929.50 per unit (excluding logistics), with all configurations benefiting from BOC's 2-year comprehensive warranty and 5-year vacuum integrity guarantee.

Constructed with lightweight aluminum alloys and optimized neck tube designs, the DW series maintains portability without compromising durability - a critical advantage for facilities requiring frequent LN2 transfers. The product line's standardized accessories and 63.5mm neck openings (similar to industry benchmarks) ensure compatibility with common cryogenic handling equipment. BOC's proprietary insulation systems demonstrate 30% better heat retention than conventional dewars, significantly reducing operational costs in long-term sample preservation applications.

10. Smart LN2 Dewar with IoT Integration

The IVFStore HC Series liquid nitrogen dewar offers professional-grade cryogenic storage solutions with two 38-liter configurations: the HC38 model (38HCB-11M) equipped with 10 canisters and the VHC38B variant (38VHC-11M) featuring 6 canisters. Engineered for large-volume biological sample preservation, these units combine ribbed high-strength aluminum construction with magneformed necktube technology and industrial-grade paint for enhanced durability in laboratory environments.

Advanced thermal performance is achieved through multi-layer super insulation and precision vacuum sealing, maximizing static hold times for liquid nitrogen. The series includes tapered internal canister locators with numbered indexing for efficient sample management, along with security enhancements like lockable lids and optional remote liquid level monitoring systems. All models support roller base mobility, with the discontinued VHCB35-11M model replaced by the TW 35 Series as an alternative configuration.

Designed for IVF clinics, biobanks, and research facilities, these refrigerators meet stringent cryogenic storage requirements while accommodating high-density sample organization. The product line's documentation includes comprehensive HC Series technical manuals and operational brochures for proper deployment and maintenance protocols.

Frequently Asked Questions (FAQ) – Best Liquid Nitrogen Dewars 2025

1. What is a liquid nitrogen dewar?

A liquid nitrogen (LN2) dewar is a specialized vacuum-insulated container designed to store and transport liquid nitrogen at cryogenic temperatures (-196°C/-321°F). These vessels use double-walled construction with a vacuum layer to minimize heat transfer, preserving LN₂ for extended periods while preventing rapid evaporation.

2. Why choose a liquid nitrogen dewar over standard storage tanks?

LN2 dewars offer critical advantages for cryogenic applications:

Superior Insulation: Vacuum insulation reduces evaporation rates to as low as 0.0185 L/day in premium models.
Safety: Pressure relief valves and durable materials (stainless steel/aluminum) prevent over-pressurization risks.
Portability: Lightweight designs (e.g., 5L models under 5kg enable lab-to-field transport.
Precision: IoT-enabled models provide real-time LN2 level monitoring via cloud/SMS alerts.

3. Can liquid nitrogen dewars store biological samples?

Yes. Most modern dewars support both liquid-phase (direct immersion) and vapor-phase storage. Key features for biobanking:

Wide-neck designs.
Certified static holding times.
LN2 level sensors to maintain optimal temperatures below -185°C.

4. What are the industrial applications of LN2 dewars?

Beyond labs, dewars are used for:

Food Packaging: LN2 injection extends shelf life by reducing oxygen content.
Electronics: Cooling superconductors and semiconductor materials.
Medical: Cryosurgery and vaccine storage.
Agriculture: Fertilizer production and crop preservation.

5. How do I maintain a liquid nitrogen dewar?

Best practices include:

Store upright in ventilated areas to prevent gas accumulation.
Inspect vacuum integrity annually (evaporation rate increases indicate leaks).
Use protective gear (gloves/face shields) when handling LN2.
For transport, secure dewars with anti-tip bases or wheeled carts.

Conclusion

In 2025, liquid nitrogen dewars have evolved with advanced insulation, IoT monitoring, and eco-friendly designs to meet diverse needs—from biobanking to industrial applications. Key innovations include ultra-low evaporation rates, smart tracking, and durable aerospace-grade materials.

For labs seeking reliability and efficiency, Banagee’s LAB Series stands out with its narrow-neck design (50mm), low LN2 consumption (0.12–0.23L/day), and 5-year vacuum warranty—ideal for secure, long-term cryogenic storage.

Whether you need compact lab dewars or high-capacity industrial solutions, choosing the right LN2 dewar ensures optimal performance and cost savings. For cutting-edge cryogenic storage, explore Banagee’s latest innovations—where precision meets durability.