CryoFreeze® Cryogenic Tubes, Caps & Racks






- Tubes comply with the In Vitro Devices Directive (IVD).
- Contrasting black 100 µL graduations are bold and easy to read.
- Large white writing area on all tubes.
- Optimized for vapor-phase liquid nitrogen storage. Note: not suitable for immersion in liquid nitrogen.
- Available with round base or self-standing Stargrip™base.
- Temperature range: -196°C to 121°C.
- Ultra-pure polypropylene meets FDA 21 CFR 177.1520 & USP Class VI.
CryoFreeze Tubes with Internally-Threaded Caps
- Polypropylene cap has silicone rubber O-ring for a secure, leakproof seal.
- Maximize tube storage within racks, boxes, and canes.
- Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and pyrogens.
CryoFreeze Tubes with Externally-Threaded Caps
- HDPE cap has secure, lip-seal feature so no O-ring is necessary.
- External threads reduce contamination and cross-contamination potential.
- Sterile and certified free of detectable DNase, RNase, DNA, PCR inhibitors, and pyrogens.
CryoFreeze Cap Inserts
- Available in colors to facilitate organization and identification.
- Fits all caps except 6321-S0.
CryoFreeze® Boxes (Polycarbonate Storage Racks)
- Tough, durable polycarbonate construction.
- Drains and vents prevent pressure build-up.
- Crystal-clear lid for sample visibility.
- Bright, attractive assorted colors.
- High-contrast alphanumeric indexing.
- Max tube dimensions:
- 5700-19, 5720-19, and 5750-19: 12 x 49 mm.
- 5730-19: 12 x 90 mm.
CryoFreeze GripRack
- Polycarbonate storage racks are safe to use at ultra-low temperatures.
- Operating temperature: -196C min to +121C max.
- 25-, 81-, and 100-Place racks.
- Printed alphanumeric index on each rack.
- Innovative 40-Place GripRack offers easy one-handed opening and closing of stargrip base tubes.
- Certified free of RNase, DNase, DNA, and PCR inhibitors, also endotoxin-free.



CryoFreeze Tubes with Internally-Threaded Caps
Product | Shortcode | Category | |
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1.0 mL Cryogenic Tube with Stargrip Base, Sterile |
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1.8 mL Cryogenic Tube with Round Base, Sterile |
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1.8 mL Cryogenic Tube with Stargrip Base, Sterile |
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3.6 mL Cryogenic Tube with Round Base, Sterile |
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3.6 mL Cryogenic Tube with Stargrip Base, Sterile |
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4.5 mL Cryogenic Tube with Round Base, Sterile |
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4.5 mL Cryogenic Tube with Stargrip Base, Sterile |
CryoFreeze Tubes with Externally-Threaded Caps
Product | Shortcode | Category | |
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1.0 mL Cryogenic Tube with Stargrip Base, Sterile |
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1.8 mL Cryogenic Tube with Stargrip Base, Sterile |
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4.5 mL Cryogenic Tube with Stargrip Base, Sterile |
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1.8 mL Cryogenic Tube with Round Base, Sterile |
CryoFreeze Cap Inserts
CryoFreeze Boxes (Storage Racks)
Product | Shortcode | Category | |
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25-Place Rack, Temperature Range: -196°C to 121°C (1.0/1.8 mL Tubes) |
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81-Place Rack, Temperature Range: -196°C to 121°C (1.0/1.8 mL Tubes) |
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81-Place Deep Rack, Temperature Range: -196°C to 121°C (4.5 mL Tubes) |
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100-Place Rack, Temperature Range: -196°C to 121°C (1.0/1.8 mL Tubes) |